JP2016090170A - Target system and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To correct a displacement of impact mark displayed in response to a true impact point and a detected impact point.SOLUTION: Four small targets 202 enclosing a calculated impact point are specified and amounts of motion corresponding to each of the small targets are processed with weighted mean in response to distances Δx,Δy between the impact point and each of the small targets to calculate the corrected value, the calculated correction values are added to correct the calculated impact point. This invention can be applied to a target system for a soft air-gun capable of shooting BB bullet, for example.SELECTED DRAWING: Figure 25

Description

  The present invention relates to a target system and a program, and more particularly to a target system and a program that can correct a deviation between an actual landing point and a bullet mark displayed based on the detected landing point.

  Conventionally, a target is fired using a soft air gun, which is a toy gun equipped with a mechanism for firing a plastic bullet (hereinafter referred to as a BB (Ball Bullet) bullet) with low-pressure compressed air. Shooting competitions are held to compete for scores obtained according to the landing position when landing.

  For example, in Patent Document 1, microphones are attached to the four corners of a transparent sheet disposed so as to cover the screen of the image display device, and BB bullets land on the transparent sheet. An apparatus for detecting a landing point on a transparent sheet by acquiring the impact sound at the time with a microphone and analyzing the acquired impact sound is disclosed.

  In the case of the apparatus disclosed in Patent Document 1, sounds other than impact sounds upon landing that can be noise (for example, BB projectiles) are picked up by a microphone, and deterioration of landing point detection accuracy is one of the problems. It was a cause.

  On the other hand, the present applicant arranges a transparent sheet so as to cover the screen of a display device such as a liquid crystal display, provides a closed space between the display device and the transparent sheet, and arranges a plurality of microphones in this closed space to perform impact. Japanese Patent Application No. 2013-260012 proposes a target system capable of detecting a landing point by acquiring and analyzing sound and displaying a bullet mark on the screen of a display device corresponding to the detected landing point. The electronic target system for the BB bullet recovery type air gun has already been released.

  According to the electronic target system for the BB bullet recovery type air gun, the microphone is placed in the closed space, so that the sound other than the impact sound at the time of landing (for example, the firing sound of the BB bullet) is picked up by the microphone. Since it can be prevented from being broken, the landing point can be detected with high accuracy. In addition, since the BB bullet collecting mechanism is provided, the landed BB bullet can be easily collected without being scattered around the target.

JP-A-8-110196

  As described above, according to the electronic target system for the BB bullet recovery type air gun by the applicant, the landing point can be detected with high accuracy. However, the detection accuracy of the landing point is not necessarily uniform over the entire screen, the central portion of the screen is the highest, and the peripheral portion tends to be inferior to the central portion. For this reason, it may happen that the true (actual) landing point of the BB bullet and the landing point detected based on the impact sound (the bullet mark displayed in accordance therewith) are shifted.

  In addition, the transparent sheet in the electronic target system for the BB bullet recovery type air gun has a sufficient strength for normal use but is a consumable, and a plastic resin plate having low elasticity has some partial distortion. Since this is inevitable, the same problem could occur even after the replacement.

  The present invention has been made in view of such a situation, and makes it possible to correct a deviation between a true landing point and a bullet mark displayed according to the detected landing point.

  A target system according to one aspect of the present invention is a target system used in a game or game in which a flying object is applied to a target. The target system transmits a target image, or a member on which the target image is projected. And a target plate that collides with a flying object that flies toward the target image, a detection unit that detects an impact sound that is generated when the flying object collides with the target plate, and based on the detected collision sound. A calculation unit that calculates a collision point of the flying object on the target plate, a collision mark display unit that displays a collision mark at a position on the target image corresponding to the calculated collision point, and the collision mark A movement amount input unit that allows the user to set a movement amount of the display position to adjust the display position of the display object, a true collision point of the flying object on the target plate, and the displayed collision. A correction unit that corrects the calculated collision point based on the movement amount set by the user so that the mark matches, and the collision mark display unit performs correction after the movement amount is set. The collision mark is displayed at a position on the target image corresponding to the later collision point.

  The correction unit includes a plurality of true collision points on the target plate of the plurality of flying objects flying toward the plurality of small targets constituting the target image, and the collision marks displayed corresponding to each of the true collision points. And the calculated collision point can be corrected based on a plurality of the movement amounts set by the user so as to match each other.

  The correction unit calculates a correction value by weighting and averaging the movement amounts respectively corresponding to the four nearest small targets surrounding the calculated collision point according to the distance between the collision point and the small target. The calculated collision point can be corrected by adding the calculated correction value to the calculated collision point.

  The target system according to an aspect of the present invention may further include a display unit that displays a video of the target image, and the target plate may transmit the video of the target image.

  The movement amount input unit causes the flying object to collide with the sticky note pasted on the target plate by a user, and forms a hole in a collision mark generated in the sticky note due to the collision of the flying object, While looking through the display unit, the correction unit can be notified of the amount of movement when the collision mark is moved so that the hole and the collision mark coincide with each other.

  The target system according to one aspect of the present invention may further include a collision mark size input unit that allows a user to set a size of the collision mark to be displayed on the target image.

  A program according to one aspect of the present invention is directed to a target system that transmits a video of a target image or projects a video of the target image through a computer of a target system used in a game or game in which a flying object is applied to a target. Based on the impact sound generated when the flying object flying toward the target image collides with the plate, the calculation unit for calculating the collision point of the flying object on the target plate, and the calculated collision point A collision mark display unit that displays a collision mark at a position on the target image in response, a movement amount input unit that allows a user to set a movement amount of the display position in order to adjust the display position of the collision mark, The collision calculated based on the movement amount set by the user so that the true collision point of the flying object on the target plate matches the displayed collision mark. The collision mark display unit displays the collision mark at a position on the target image corresponding to the corrected collision point after the movement amount is set. And

  In one aspect of the present invention, a collision point of the flying object on the target plate is calculated based on an impact sound generated when the flying object collides with the target plate, and a target corresponding to the calculated collision point is calculated. A collision mark is displayed at a position on the image. Further, a movement amount of the display position is set by a user in order to adjust the display position of the collision mark, and after the movement amount is set, a position on the target image corresponding to the corrected collision point is set. The collision mark is displayed.

  According to one aspect of the present invention, it is possible to correct a deviation between a true landing point and a bullet hole mark displayed according to the detected landing point.

It is a perspective view which shows the structural example of the target apparatus to which this invention is applied. It is a front view of a target device. It is a left view of a target device. It is a right view of a target apparatus. It is an AA arrow line view in FIG. 4 of a target apparatus. It is a figure which shows the structural example of the target system which employ | adopted the target apparatus. It is a figure which shows the modification of a target apparatus. It is a figure which shows the structural example of the target system which employ | adopted the modification of the target apparatus. And FIG. 16 is a block diagram illustrating a configuration example of a personal computer. It is a figure which shows the structural example of the functional block implement | achieved by running the application program for target systems. It is a figure which shows the example of a display of a standard target. It is a figure which shows the example of a display of the bulls 20 target. It is a figure which shows the example of a display of an operation screen. It is a flowchart explaining a 1st calibration process. It is a figure for demonstrating a 1st calibration process. It is a figure for demonstrating a 1st calibration process. It is a figure for demonstrating a 1st calibration process. It is a figure which shows the example of a display of a correction setting screen. It is a flowchart explaining a 1st bullet hole mark display process. It is a flowchart explaining a 2nd calibration process. It is a figure for demonstrating a 2nd calibration process. It is a figure for demonstrating a 2nd calibration process. It is a figure which shows arrangement | positioning of a dummy target. It is a flowchart explaining a 2nd bullet hole mark display process. It is a figure for demonstrating the 2nd bullet hole mark display process. It is a figure for demonstrating a grouping function. It is a figure for demonstrating a grouping function.

  Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings.

<Configuration example of target device according to an embodiment of the present invention>
FIG. 1 is a perspective view showing a configuration example of a target device according to an embodiment of the present invention.

  The target device 11 includes a mechanism for displaying a target of shooting using a soft air gun, a recovery mechanism for collecting the BB bullets 12 shot on the target device 11, and a landing point and a landing speed when the BB bullets 12 land. A function of outputting a detection signal for detecting the above is provided.

  1 indicates an example of the path of the shot BB bullet 12, and the side on which the BB bullet 12 is directed toward the target device 11 (the lower right side in FIG. 1) is the target device. 11 is the front side, and the opposite side (upper left side in FIG. 1) is the back side of the target device 11.

  On the back side of the target device 11, a display 30 including an LCD (liquid crystal display) that displays an image representing the target (hereinafter referred to as a target image) is provided. Then, the BB bullet 12 shot against the target image that is visible in the back of the target device 11 hits the transparent target plate 24 provided on the front side of the display 30 and was reflected or rolled inside the target device 11. Thereafter, the target device 11 is collected in a collection case 13 arranged on the left side when viewed from the front side.

  As shown in the figure, the target device 11 includes a housing 21, a front plate 22, a back plate 23, a target plate 24, a collection plate 25, a discharge port nozzle 26, acoustic sensors 27-1 to 27-4, and a signal processing board 28. , And a display 30.

  The casing 21 has a rectangular cylindrical shape in which the upper and lower surfaces and the left and right side surfaces are configured by assembling the upper surface plate 21a, the right side surface plate 21b, the left side surface plate 21c, and the lower surface plate 21d, and the front surface and the rear surface are open. The upper surface plate 21 a is a plate-like member that constitutes the upper surface of the housing 21, and the right-side surface plate 21 b is a plate-like member that constitutes the right surface of the housing 21. The left side plate 21 c is a plate-like member that constitutes the left side surface of the housing 21, and the lower surface plate 21 d is a plate-like member that constitutes the lower surface of the housing 21.

  The front plate 22 is a plate-like member that is attached to the casing 21 so as to cover the vicinity of the lower side of the opening in front of the casing 21.

  The back plate 23 is a transparent plate-like member that is attached to the housing 21 so as to cover the entire opening at the rear of the housing 21.

  The target plate 24 is made of a plate-like member that transmits the target image displayed on the display 30 and can receive a collision of the BB bullet 12 fired by the soft air gun toward the target image. In other words, the upper and lower ends and the left and right ends are fixed to the inner surface of the housing 21 from the front side so that bending does not occur. For example, the target plate 24 is made of a member (specifically, a soft vinyl chloride resin having a thickness of 2.0 mm) made of a material having a predetermined plasticity with respect to an impact (a material having a slow recovery speed). By using a member made of such a material, when the BB bullet 12 reaches the target plate 24, the original shape is slowly restored, so that it is possible to suppress the occurrence of a jump that extends outside the target device 11. it can. Further, as described above, since the target plate 24 is attached from the front side, the target plate 24 can be easily replaced without removing the display 30 and the back plate 23.

  By configuring the back plate 23 and the target plate 24 with transparent members, the user can visually recognize the target image displayed on the display 30 from the front side of the target device 11.

  The collection plate 25 is inside the housing 21, is a space on the front side of the target plate 24, and is lower than the lower end of the opening in front of the housing 21 (upper end surface of the front plate 22). It arrange | positions in space and is fixed so that it may incline so that it may descend toward a back surface side and may descend toward a left surface side as a whole.

  The discharge nozzle 26 is attached to the outer surface of the left side plate 21 c so as to cover the discharge port of the BB bullet formed on the left side plate 21 c of the housing 21, and guides the BB bullet 12 that has exited from the discharge port to the collection case 13. .

  The acoustic sensors 27-1 to 27-4 acquire, for example, an impact sound generated when the BB bullet 12 has landed on the target plate 24, and output an acoustic signal according to a change in the amplitude of the acquired impact sound as the signal processing board 28. To supply.

  Regarding the arrangement of the acoustic sensors 27-1 to 27-4, the acoustic sensors 27-1 to 27-4 are fixed to the inside of the housing 21 so as to be on the back side of the target plate 24 and close to the four corners of the target plate 24. For example, the acoustic sensor 27-1 is disposed near the upper end of the surface facing the inside of the left side plate 21c, and the acoustic sensor 27-2 is disposed near the upper end of the surface facing the inside of the right side plate 21b. The acoustic sensor 27-3 is disposed near the lower end of the surface facing the inside of the left side plate 21c, and the acoustic sensor 27-4 is disposed near the lower end of the surface facing the inside of the right side plate 21b. Hereinafter, the acoustic sensors 27-1 to 27-4 are collectively referred to as an acoustic sensor 27. In the present embodiment, the configuration using the four acoustic sensors 27-1 to 27-4 has been described. However, the number of acoustic sensors 27 is not limited to four. For example, according to the size or shape of the target device 11 such as three, six, or eight, the number of acoustic sensors 27 that can appropriately measure the landing position or the like can be used.

  The space in which the acoustic sensor 27 is arranged is closed on the front side by the target plate 24, closed vertically and horizontally by the housing 21, and closed on the back side by the back plate 23. That is, the acoustic sensor 27 is disposed in a closed space 29 that is closed from the outside by the housing 21, the back plate 23, and the target plate 24.

  The signal processing board 28 is disposed in a space between the lower face plate 21d and the collecting plate 25. The signal processing board 28 performs predetermined signal processing on the acoustic signal output from the acoustic sensor 27 when the BB bullet 12 has landed on the target plate 24, so that the BB bullet 12 has landed on the target plate 24. A detection signal is output for detecting the landing point and the landing velocity at the time of hitting.

  In the predetermined signal processing by the signal processing board 28, the acoustic signal is amplified and full-wave rectified, and the peak hold signal that holds the peak value of the amplitude and the signal obtained by integrating the peak hold signal are equal to or higher than the reference value. The impact sound detection time signal indicating the timing that is reached is output as a detection signal. This detection signal is supplied to the personal computer 111 described later.

  In the target device 11 configured as described above, the shot BB bullet 12 has landed on the target plate 24, and the area of the target plate 24 has an extremely shallow mortar shape centering on the landing point according to the impact force. By denting, the impact due to the collision of the BB bullet 12 is absorbed. Thus, the BB bullet 12 in which the impact of the landing is absorbed by the target plate 24 falls toward the collecting plate 25 and rolls toward the back side and the left side in the target device 11 according to the inclination of the collecting plate 25. After that, it is discharged from the discharge port of the left side plate 21c, passes through the discharge port nozzle 26, and is collected in the collection case 13.

  Thus, the target device 11 is configured such that the target plate 24 can absorb the impact of the BB bullet 12 and the BB bullet 12 falls toward the collection plate 25. The BB bullet 12 can be reliably and easily recovered without causing an external bullet.

  The acoustic sensor 27 of the target device 11 is disposed in a closed space 29 where the acoustic environment is stationary. For this reason, the acoustic sensor 27 can acquire a more reproducible impact sound. In other words, the acoustic sensor 27 can acquire substantially the same impact sound if the landing point and landing speed of the BB bullet 12 are the same.

  That is, the target device 11 is configured such that the rear opening is covered with the back plate 23 and the front opening is covered with the target plate 24 with respect to the closed space 29. Thereby, in the target device 11, a reproducible impact is generated by the vibration when the BB bullet 12 collides with the target plate 24, such as a musical instrument (for example, a drum or a timpani) that emits sound by vibration of a film stretched on the opening. Sound is generated.

  Therefore, for example, in the acoustic sensor 27, when the BB bullet 12 lands on a predetermined portion of the target plate 24, the same impact sound is always generated for the same landing conditions (landing position, landing speed, and bullet weight). To be acquired. Thereby, based on the acoustic signal output from the acoustic sensor 27, the landing point which is the position on the target plate 24 where the BB bullet 12 has landed, and the landing which is the velocity of the BB bullet 12 when landing on the target plate 24 It is possible to detect the bullet speed and the energy of the BB bullet 12 upon landing on the target plate 24 with high accuracy.

  Furthermore, by arranging the acoustic sensor 27 in the closed space 29, for example, it is possible to prevent the acoustic sensor 27 from acquiring the sound emitted when the BB bullet 12 is fired from the soft air gun. This eliminates the need to remove the component of the sound emission from the acoustic signal output from the acoustic sensor 27, so that the landing point of the BB bullet 12 can be calculated as quickly as that. In addition, the calculation accuracy such as the landing point can be increased.

<Detailed Configuration of Target Device 11>
Next, a detailed configuration of the target device 11 will be described with reference to FIGS. 2 to 5.

  2 is a front view of the target device 11, FIG. 3 is a left side view of the target device 11, FIG. 4 is a right side view of the target device 11, and FIG. 5 is an AA arrow view in FIG. Yes.

  The fixing member 41a is attached to the inner surface of the upper surface plate 21a so as to extend in the left-right direction, and the fixing member 41b is attached to the inner surface of the right surface plate 21b so as to extend along the target plate 24. The fixing member 41c is attached to the inner surface of the left side plate 21c so as to extend along the target plate 24, and the fixing member 41d is attached to the inner surface of the lower surface plate 21d so as to extend in the left-right direction.

  A connector 43 to which a signal cable 113 (FIG. 6) for outputting a detection signal from the signal processing board 28 to the PC 111 (FIG. 6) is connected is disposed on the right side plate 21b.

  Further, in the target device 11, the front end portion of the upper surface plate 21a is bent so as to form an inclined surface toward the inside, whereby a bent portion 42a is formed at the front end of the upper surface plate 21a. The bent portion 42a of the upper surface plate 21a is formed, for example, so that the fixing member 41a is hidden when the target device 11 is viewed from the front.

  Similarly, a bent portion 42b is formed at the front end of the right side plate 21b so that the fixing member 41b is hidden when viewed from the front by bending the front end portion of the right side plate 21b inward so as to form an inclined surface. The Further, by bending the front end portion of the left side plate 21c inward so as to form an inclined surface, a bent portion 42c is formed at the front end of the left side plate 21c so that the fixing member 41c is hidden when viewed from the front. .

  As described above, in the target device 11, the bent portions 42 a to 42 c are formed on the upper side and the left and right sides of the opening portion in front of the housing 21, so that the BB bullet 12 directly with respect to the fixing members 41 a to 41 c. Can be avoided. Further, the bent portions 42 a to 42 c form an inclined surface toward the inside of the housing 21, and when the BB bullet 12 collides with the bent portions 42 a to 42 c, it is reflected toward the inside of the housing 21. Thus, the BB bullet 12 can be collected in the target device 11.

  Furthermore, the target device 11 is provided with a plurality of legs 31 capable of adjusting the arrangement position of the target device 11 in the height direction, and the target device 11 is adjusted in height by the plurality of legs 31. Or arranged upward or downward, or when the table on which the target device 11 is placed is tilted, the tilt can be compensated.

  As described above, the target device 11 is arranged so that the four sides of the target plate 24 are fixed by the fixing members 41 a to 41 d and the target plate 24 is stretched in the space in the housing 21. When the BB bullet 12 collides, the target plate 24 is bent. As a result, the target device 11 can effectively absorb the kinetic energy of the BB bullet 12 by the target plate 24. Furthermore, as described above, by arranging the collection plate 25 below the front side of the target plate 24, the target device 11 can reliably collect the BB bullet 12 in the minimum space.

<Configuration Example of Target System Employing Target Device 11>
Next, FIG. 6 shows a configuration example of a target system that employs the target device 11. In the present specification, the term “system” represents the entire apparatus including a plurality of apparatuses.

  The target system 101 includes a target device 11 and a personal computer (hereinafter abbreviated as PC) 111. Specifically, the target device 11 and the PC 111 are configured by being connected via a signal cable 113 and a video cable 114.

  As the PC 111, various shapes such as a desktop type, a notebook type, and a tablet type can be adopted. Further, a so-called mobile terminal such as a smartphone or a spectacle-type terminal may be employed as the PC 111.

  A detection signal based on the acoustic signal output from the acoustic sensor 27 is supplied to the PC 111 from the target device 11 via the signal cable 113. On the contrary, a video signal for displaying the target image 115 and the like on the display 30 is supplied to the target device 11 via the video cable 114. Note that the monitor unit 122 is also provided in the PC 111 itself.

  In addition, a protection plate 117 that protects the target device 11 from entering the space that can be generated below the target device 11 so as not to enter the BB bullet 12 is attached to the front leg 116 of the target device 11.

  FIG. 6 shows a state in which the target image 115 is displayed at the center of the display 30 of the target device 11. On the other hand, the monitor unit 122 of the PC 111 shows a state in which an operation screen including a target panel for displaying a target image, a command panel for inputting various commands, a scoreboard indicating a shooting result, and the like is displayed. In addition, the same image as the target image 115 can be resized and displayed on the target panel, and an image obtained by enlarging a part of the target image 115 can also be displayed. 6 shows a state in which only the central portion of the target image 115 is enlarged and displayed. However, the same operation screen as that of the monitor unit 122 of the PC 111 can be displayed on the screen of the display 30. Further, in addition to the target image 115 on the display 30, a score panel, a velocity meter panel, and the like representing a score can be displayed around the target image 115. In this case, the user can confirm not only the landing point but also the result (score, bullet speed, etc.) at the same time as the landing.

  The PC 111 to which the detection signal is supplied from the target device 11 displays the target image 115 by executing an application program for the target system, or detects the landing point each time the BB bullet 12 is landed. A bullet hole mark corresponding to the detected landing point is displayed on 115. In addition, calibration processing is performed to obtain a correction value for correcting the deviation between the true landing point and the bullet mark. Further, the landing speed of the BB bullet 12 and the energy when landing are calculated.

  Furthermore, the PC 111 causes the monitor unit 122 to display an operation screen including a target panel for displaying a target image, a command panel for inputting various commands, a scoreboard indicating a shooting result, and the like.

  The bullet mark displayed on the target image 115 is a circle having a diameter set by the user according to the size of the BB bullet 12 to be used, and a landing number indicating the landing order is written at the center thereof. For example, when a BB bullet 12 having a diameter of 6 mm is used, it is normally set to be displayed as a circular bullet hole mark having a diameter of 6 mm. However, in the calibration process described later, the diameter of the bullet hole mark is preferably 4 mm in order to facilitate the work. However, the calibration process may be executed with the diameter of the bullet mark remaining 6 mm. In that case, a mark (cross mark or the like) for indicating the position of the center point is added on the bullet mark. Further, the size of the bullet hole mark can be arbitrarily changed by the user regardless of the size of the BB bullet 12 to be used. Further, the shape of the bullet hole mark is not limited to a circle, and may be other shapes.

  In this way, in the target system 101, each time a BB bullet hits, a landing mark is displayed on the target image 115, so that the user can experience a more realistic and realistic shooting target. You can quickly correct the aim of shooting. Further, in the target system 101, the scoreboard of the operation screen displayed on the monitor unit 122 or the like is updated for each landing, so that the convenience for the user can be improved.

  Further, the target system 101 not only displays bullet mark corresponding to the detected landing point, but also flashes the background of the target image 115 with a color corresponding to the landing point, or an image corresponding to the landing point (only a still image). As well as moving images such as animation).

  Furthermore, the target system 101 can output any sound (for example, landing sound, destruction sound, scream, music, etc.) according to at least one of the landing point, landing speed, or energy. Furthermore, these sounds can be output at a volume based on at least one of landing speed and energy. Thereby, the playability with respect to the shooting using the target system 101 can be improved. Further, the score corresponding to the landing point can be read out by voice. Thereby, the user can know the obtained score without visually recognizing the scoreboard displayed on the monitor unit 122 or the like.

<Modification of Target Device 11>
Next, FIG. 7 shows a modification of the target device 11. In this modification (target device 11A), the display 30 is omitted, and an external monitor 112 can be attached to the outside of the back surface of the target device 11A instead of the display 30. In this case, the PC 111 supplies a video signal to the external monitor 112 via the video cable 114.

<Configuration example of target system employing target device 11A>
Next, FIG. 8 shows a configuration example of a target system that employs the target device 11A. The target system 101A includes a target device 11A and a notebook PC 111. Specifically, the target device 11A is arranged above the keyboard portion 123 of the notebook PC 111, so that the monitor unit 122 of the PC 111 is arranged outside the back surface of the target device 11. In the target system 101 </ b> A, a leg portion 118 that extends forward is used so that the protective plate 117 can be disposed in front of the keyboard portion 123 of the PC 111.

  The target device 11A and the PC 111 are connected via a signal cable (not shown).

  Also in the target system 101A, as in the target system 101 of FIG. 6, the PC 111 executes the application program for the target system, thereby displaying the target image 115 and the like, and detecting the landing point every time the BB bullet 12 hits. The bullet hole mark is displayed according to the detected landing point. Also, calibration processing is performed to obtain a correction value for correcting and displaying the deviation between the true landing point and the bullet mark. Further, the landing speed of the BB bullet 12 and the energy when landing are calculated.

  Furthermore, a scoreboard on which the score based on the landing point, the landing speed, energy, and the like are described is also displayed.

  In addition, in FIG. 8, in addition to the target image 115, the monitor unit 122 displays a scoreboard in which shooting results such as operations and scores are arranged on the right side. However, it is also possible to hide the scoreboard and display the target image 115 in an enlarged manner at the center of the monitor unit 122. In this case, in order to avoid troubles in operation and score confirmation, only the scoreboard can be displayed as an independent subwindow, for example, on a submonitor, tablet PC, smartphone, or the like arranged near the user performing shooting. . Thereby, the user can confirm a shooting result, without moving from a shooting position, and can improve the convenience more.

  Further, the PC 111 and a remote operation device such as a wireless mouse are connected, and the target system 101A can be operated from the shooting position by displaying the target image 115 so as to occupy more than half of the monitor unit 122, for example. You may do it.

  Specifically, it is possible to adopt an operation in which a game start is started when an operation for left-clicking the target image 115 is performed, and a game is stopped when the target image 115 is left-clicked again in a state where the game has started. Further, when the target image 115 is right-clicked, the target image 115 is enlarged and displayed on the monitor unit 122, and when the target image 115 that is enlarged and displayed at the center of the screen is right-clicked again, the target image 115 is reduced to display a scoreboard or the like It is possible to employ an operation for setting a state to be performed (display state as shown in FIG. 7). Alternatively, when it is detected that the BB bullet 12 has collided with the target plate 24 while waiting for the competition start, an operation for starting the competition may be employed.

<Other Modifications of Target Device 11>
Although not shown, the display 30 is omitted, and the target plate 24 is made of a colored (white, gray, etc.) plastic member, and the target plate 24 is targeted by the projector from the back side or the front side of the target device 11. An image may be projected. When a target image is projected from the front side of the target device 11 onto the target plate 24, it is not necessary to punch a sticky note, which will be described later. Further, instead of using a colored plastic member for the target plate 24, a thin and flexible material such as a white cloth may be attached to the target plate 24. Further, a white paint or the like may be applied to the target plate 24.

<Another configuration example of the target system employing the target device 11>
Although illustration is omitted, a tablet PC may be arranged instead of the display 30 of the target device 11, and the same processing as the PC 111 may be executed by the tablet PC. In this case, the PC 111 is not necessary, and a target system that can be operated only by the target device 11 can be realized. In addition, the user uses a smartphone, glasses-type terminal, a dedicated remote controller, or the like for the target system (tablet type PC) configured only by the target device 11 as described above, and uses a wireless local area network (LAN). Etc., and various operations can be performed wirelessly.

  Furthermore, the function of the PC may be built in the target device 11A so that the target device can be used alone as a target device without being connected to the PC.

  In the following description, the target system 101 is taken as an example.

<Configuration example of PC 111>
Next, FIG. 9 shows a configuration example of the PC 111.

In this PC 111, a CPU (Central Processing Unit) 131, a ROM (Read Only Memory) 132, and a RAM (Random Access Memory) 133 are connected to each other by a bus 134.

  An input / output interface 135 is further connected to the bus 134. An input unit 136, an output unit 137, a storage unit 138, a communication unit 139, and a drive 140 are connected to the input / output interface 135.

  The input unit 136 includes a keyboard unit 123 and an input device such as a mouse (including a wireless mouse). The output unit 137 includes a monitor unit 122 that displays a screen corresponding to the video signal, an external monitor I / F to which the video cable 114 is connected, a speaker that outputs audio corresponding to the audio signal, and the like.

  The storage unit 138 includes a hard disk, a nonvolatile memory, and the like. The communication unit 139 includes a network interface. The drive 140 writes data to and reads data from a removable medium 141 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory.

  In the PC 111 configured as described above, the CPU 131 loads, for example, the target system application program stored in the storage unit 138 to the RAM 133 via the input / output interface 135 and the bus 134 and executes it. Thus, a series of processes as the target system described above is performed.

  An application program for the target system executed by the PC 111 (CPU 131) is provided by being recorded on a removable medium 141 as a package medium or the like, or a wired or wireless transmission medium such as a local area network, the Internet, or digital satellite broadcasting. Or can be provided through. Further, the version can be upgraded using the removable medium 141 and various transmission media.

<Functional blocks by application program for target system>
Next, FIG. 10 shows a configuration example of functional blocks realized by the PC 111 (CPU 131) executing the application program for the target system.

  That is, by executing an application program for the target system on the PC 111 (CPU 131), a landing point calculation unit 151, a calibration execution unit 153, a landing point grouping unit 154, a display control unit 155, a bullet velocity estimation unit 161, A temperature information acquisition unit 162 and a speech synthesis unit 163 are realized.

  The landing point calculation unit 151 calculates a landing point based on a detection signal supplied from the target device 11 for each landing. Since the sound speed changes according to the air temperature, the landing point calculation unit 151 calculates the landing point using the sound speed corrected based on the temperature information supplied from the temperature information acquisition unit 162. The landing point calculation unit 151 includes a landing point correction unit 152. The landing point correction unit 152 executes calibration when the first or second calibration process (described later) has already been performed. The correction amount is calculated based on information (movement amount or array data (details will be described later)) written from the unit 153, and the calculated landing point is corrected using the calculated correction amount. The calculated or corrected landing point (coordinates thereof) is notified to the landing point grouping unit 154, the display control unit 155, and the speech synthesis unit 163.

  The calibration execution unit 153 moves the bullet mark to the user so that there is no deviation between the true landing point and the display of the bullet mark based on the calculated landing point, and the movement amount or the arrangement data based on the movement amount Is overwritten and recorded in the landing point correction unit 152.

  Each time the landing point grouping unit 154 is notified of landing points after a predetermined timing (for example, start of competition, start of test shooting, etc.), a straight line connecting the farthest landing points that have been notified so far has a diameter. A circle (grouping circle) and its center point are obtained and notified to the display control unit 155. Note that the method of obtaining the grouping circle is not limited to the method described above. For example, a circle having the smallest radius among circles including all the landing points notified so far may be used as the grouping circle.

  The display control unit 155 includes a main screen display unit 156 that supplies a video signal to the monitor unit 122 of the PC 111 and a sub-screen display unit 157 that supplies a video signal to the display 30 of the target device 11. The display unit 156 and the sub screen display unit 157 share the target display unit 158, the bullet hole display unit 159, and the information screen display unit 160.

  The target display unit 158 outputs a video signal for displaying a target image 115 prepared in advance. Note that the target image 115 can be arbitrarily enlarged or reduced according to the setting from the user. Further, the target image 115 can be moved in the screen or blinked. Furthermore, the background color of the target image 115 may be changed according to the landing point, or the shape of the target image 115 itself may be changed. Furthermore, as the target image 115, a moving image having a story like a FPS (First Person Shooter) game may be displayed.

  Here, an example of the target image 115 prepared in advance will be described.

  FIG. 11 is a display example of the most common target (hereinafter, referred to as a standard target 201) in which only one circular target as used mainly in a real gun shooting competition is displayed in the center of the display 30. is there. When the standard target 201 is displayed at the center of the display 30 and shooting is performed, the user aims at the center of the standard target 201, that is, near the center of the target plate 24.

  FIG. 12 is a display example of a target (hereinafter referred to as a bulls 20 target 202) in which 20 (= 5 × 4) small circular targets are arranged on the screen. When the bulls 20 target 202 is used, the user shoots at various positions in addition to the center of each small circular target constituting the bulls 20 target 202, that is, near the center of the target plate 24.

  Returning to FIG. The bullet hole display unit 159 generates a video signal of a bullet hole mark to be superimposed and displayed at a position on the target image corresponding to the landing point notified from the landing point calculation unit 151. The information screen display unit 160 generates a video signal for displaying a scoreboard and various setting screens.

  Video signals generated by the target display unit 158, the bullet hole display unit 159, and the information screen display unit 160 are appropriately combined by the main screen display unit 156 and the sub screen display unit 157, and the screen of the target image 115, the operation screen 210, etc. Are generated and supplied to at least one of the display 30 and the monitor unit 122.

  Here, a display example of the operation screen 210 is shown in FIG. The operation screen 210 includes a target panel 211 on which the target image 115 is displayed, a score panel 212 on which the current score is displayed, a command panel 213 for inputting various commands and settings, and a score on which a score for each landing is displayed. The board 214 is configured.

  Returning to FIG. The bullet velocity estimation unit 161 calculates the landing velocity of the BB bullet 12 and the energy at the time of landing based on the detection signal supplied from the target device 11 for each landing, and notifies the display control unit 155 and the voice synthesis unit 163. . The temperature information acquisition unit 162 acquires temperature information from a temperature sensor (not shown) and notifies the landing point calculation unit 151. The voice synthesizing unit 163 synthesizes a voice signal such as a landing sound corresponding to the landing point, and outputs the synthesized voice signal to a subsequent stage with a volume corresponding to the landing speed or landing energy. Note that instead of simply synthesizing the landing sound, the target system 101 can function as a musical instrument by synthesizing and outputting sounds of different scales according to the landing point. If it is possible to accurately shoot at a predetermined position, it is possible to have playability that an arbitrary music can be played.

<First calibration process>
Next, FIG. 14 is a flowchart for explaining the first calibration processing.

  This first calibration process is for obtaining the movement amount of the bullet mark used for correcting the landing point when the standard target 201 shown in FIG. 11 is used as the target image 115. Note that the obtained movement amount of the bullet hole mark can be used for correction in the case where other target images aiming near the center of the target plate 24 are used in addition to the standard target 201.

  Regarding the execution frequency of the first calibration process, for example, when the target system 101 is used for the first time, every predetermined number of landings (for example, every 10,000 shots), or when the target plate 24 is replaced (for example, the number of landings is 100,000). Etc.), and not necessarily frequently. However, when used in shooting competitions, the accuracy of the display position of the bullet mark corresponding to the landing point can be maintained high by executing it each time.

  Of the processes in the steps described below, processes other than those executed by the user are mainly executed by the calibration execution unit 153.

  In step S1, the target system 101 displays the standard target 201 on the display 30 of the target device 11 in accordance with a predetermined target selection operation from the user. At the same time, the operation screen 210 including the same display (target panel 211) is displayed on the monitor unit 122 of the PC 111.

  In step S <b> 2, as shown in FIG. 15, the user sticks a sticky note 231 on the target plate 24 that transmits the image of the standard target 201 displayed on the display 30 so as to cover the central portion of the standard target 201. To do. At this time, the sticky note 231 is pasted so that the center of the sticky note 231 matches the center of the standard target 201 as much as possible.

  However, the sticky note 231 used here is likely to have a bullet hole (dent) corresponding to its size due to the landing of the BB bullet 12 and a hole can be easily formed in a region where the bullet hole (dent) is generated. The one having the strength of is used. When selling the target device 11, it is desirable to attach a sticky note 231 that satisfies this condition. Also, some mark may be printed in advance so that the center of the sticky note 231 can be easily understood.

  Next, the user shoots at the center of the sticky note 231 (that is, the center of the standard target 201) with an air gun. This shooting need not be performed from a position separated by a shooting distance determined in a shooting competition or the like, and may be performed from a close distance of the target device 11. By this shooting, the standard target 201 displayed on the display 30 or the like is corrected by the correction value calculated by the landing point calculation unit 151 before correction (or the correction value based on the previous first calibration process). ) The bullet mark corresponding to the landing point is displayed.

  Also, as shown in FIG. 16, this shot causes bullet holes (dents) 232 corresponding to the size of the BB bullet 12 to be generated at the center of the sticky note 231 due to the landing of the BB bullet 12. It is known that the bullet holes (dents) 232 have a circular shape with a diameter of about 4 mm when the impact energy is about 0.8 Joule when the BB bullet 12 with a diameter of 6 mm is used.

  In step S <b> 3, the user makes a hole in the area of the bullet hole (dent) 232 generated on the sticky note 231 without peeling off the sticky note 231 from the target plate 24. Specifically, by sticking the recessed area with a toothpick or the like, the area of the sticky note 231 can be easily removed, and a circular hole 233 (FIG. 17) having the same diameter as the bullet hole 232 can be formed. When the hole 233 is viewed from the front side of the target device 11 and, for example, as shown in FIG. 17, it is determined whether or not the hole 233 and the bullet mark coincide with each other, the user can see the bullet hole 232 ( It can be determined whether there is any deviation between the hole 233) and the bullet mark.

  In step S4, the target system 101 displays a correction setting screen on the monitor unit 122 of the PC 111 in accordance with a predetermined operation from the user. The correction setting screen may be superimposed on the standard target 201 displayed on the display 30 of the target device 11. In that case, the correction setting screen may be appropriately moved on the screen so as not to be hidden behind the sticky note 231 attached.

  Here, the correction setting screen will be described. FIG. 18 shows a display example of the correction setting screen. The correction setting screen 250 is provided with a position correction panel 251, a bullet speed correction panel 252, and a bullet speed map correction panel 253. Further, the correction setting screen 250 is provided with an “OK” button 254 and a “Cancel” button 255.

  The position correction panel 251 is for correcting the position of the bullet mark displayed on the target image 115 (in this case, the standard target 201), and includes a “right” box, an “up” box, and Consists of an “adjusting bullet” box. In the “to the right” box, the bullet mark display position can be moved to the left or right (increasing the value to the right and decreasing to the left). In the “Up” box, the bullet mark display position can be moved up and down (upward when the numerical value is increased, and downward when the numerical value is decreased). In the “adjusting bullet diameter” box, the diameter of the bullet mark can be changed in units of 0.1 mm so as to match the size of the hole 233 opened in the sticky note 231. The initial value of the diameter of the bullet hole mark is 6 mm. As described above, when executing the calibration process, it is desirable that the initial value of the diameter of the bullet hole mark is set to 4 mm in the “adjusting bullet diameter” box. Or it is good also considering the initial value of the diameter of a bullet hole mark as 4 mm. Further, for example, when the size of the BB bullet 12 to be used is changed, the diameter of the bullet hole mark may be changed in the “adjusting bullet diameter” box. The correspondence between the size of the BB bullet 12 and the size of the bullet hole mark may be stored in advance, and the size of the BB bullet 12 to be used may be set in the “adjustment bullet diameter” box.

  The bullet speed correction panel 252 is for correcting a value when displaying the detected landing speed, and can increase or decrease the display value for the detected landing speed. The bullet velocity map correction panel 253 is for correcting the deviation of the detected landing velocity.

  The “OK” button 254 is for confirming an input on the position correction panel 251 or the like. The “Cancel” button 255 is used to cancel the input on the position correction panel 251 or the like.

  Next, in step S5, the user looks into the hole 233 formed in the sticky note 231 from the front side of the target device 11, and determines whether or not the hole 233 and the bullet mark match (however, the bullet mark Since the bullet hole mark protrudes from the hole 233 if the diameter of the bullet hole is set to the initial value of 6 mm, the user sets the diameter of the bullet hole mark to 4 mm in advance on the correction setting screen 250. The diameter of the bullet hole mark may be left at the initial value of 6 mm, in which case the bullet hole mark is larger than the hole 233, so that the center of the bullet hole mark and the hole 233 Just determine if the centers match). If they match, there is no deviation between the bullet hole 232 that is the true landing point and the bullet hole mark, so that the subsequent processing is unnecessary. Therefore, the “Cancel” button 255 on the correction setting screen 250 is selected to close the correction setting screen 250, and the first calibration process is interrupted at this stage.

  On the other hand, when looking into the hole 233 of the sticky note 231 and the position of the hole 233 and the bullet hole mark do not match, the process proceeds to step S6.

In step S6, the user checks the position of the bullet mark while looking through the hole 233 formed in the sticky note 231 from the front side of the target device 11, and “right” on the position correction panel 251 of the correction setting screen 250. The box and the “up” box are operated to move the bullet hole mark until it coincides with (overlaps) the hole 233. If the bullet mark matches the hole 233 (overlap), the user selects the “OK” button 254 on the correction setting screen 250 in step S7. Thus, it is confirmed that the amount of movement of the bullet hole mark set by using the position correction panel 251, the movement amount (m _x, m _y) movement amount is currently held in the impact point correction unit 152 (m _x is overwritten is added to m _y). When the correction setting screen 250 is displayed in the first calibration process or more next time, the movement amount displayed on the position correction panel 251 is 0.0 mm. However, when the correction setting screen 250 is displayed, the movement amount currently held in the landing point correction unit 152 may be displayed on the position correction panel 251. In that case, the amount of movement that is set by the position correction panel 251 (m _x, m _y) and may be overwritten in the impact point correction unit 152.

  The movement amount of the bullet mark 234 overwritten and recorded in the landing point correction unit 152 is used to correct the landing point at the time of shooting using the standard target 201, in other words, the correction of the display position of the bullet mark. Used. Details will be described below. The first calibration process is thus completed.

  In the above description, while the target device 11 (the display 30) to which the sticky note 231 is attached is viewed from the monitor unit of the PC 111, an operation is input to the correction setting screen 250. It is also possible to input the operation by superimposing the correction setting screen 250 on the standard target 201 displayed on the display 30.

<First bullet mark display process>
FIG. 19 is a flowchart for explaining the first bullet mark display process.

  This first bullet mark display process is applied during shooting using the standard target 201 after the first calibration process is executed.

When the user shoots at the target device 11 and the BB bullet 12 reaches the target plate 24, a detection signal is supplied from the target device 11 to the PC 111. In PC 111, in step S11, the landing point calculation unit 151 calculates the coordinates (x _p , y _p ) of the landing point P based on the detection signal. In step S12, the impact point correction unit 152, coordinate (x _p, y _p) of the computed impact point P, the correction amount of the bullet hole marks stored (m _x, m _y) by adding, correcting the coordinates of the impact point P, and outputs corrected impact point coordinates _{(x p + m x, y} p + m y) to a subsequent stage. In step S13, the display control unit 155 displays a bullet mark on the already displayed standard target 201 according to the corrected landing point coordinates, and displays a score according to the corrected landing point coordinates. This is the end of the description of the first bullet hole mark display process.

  According to the first calibration process and the first bullet hole mark display process described above, the deviation between the true landing point and the calculated landing point can be corrected. Accordingly, it is possible to correct a shift in the display position of the bullet mark. However, the correction in this case is effective for the center of the standard target 201, that is, near the center of the target plate 24, but is not necessarily effective for peripheral portions other than the vicinity of the center of the target plate 24. It may not be obtained.

  Accordingly, a second calibration process that can effectively correct the deviation of the display positions of the true landing point and the bullet mark throughout the entire area of the target plate 24 will be described.

<Second calibration process>
FIG. 20 is a flowchart for explaining the second calibration process.

  The second calibration process is for obtaining array data that is a basis of a correction amount applied when shooting is performed in which an arbitrary position as well as the center of the target plate 24 is aimed.

  As for the execution frequency of the second calibration process, as in the first calibration process, for example, when the target system 101 is used for the first time, for every predetermined number of landings (for example, every 10,000 shots), or for the target plate 24 It may be executed at the time of replacement (for example, when the number of impacts is 100,000), and is not necessarily executed frequently. In addition, when performing only shooting aiming only near the center of the target plate 24, such as shooting aiming at the standard target 201, the second calibration process is not particularly necessary, and the execution of the first calibration process described above is performed. Just enough.

  Of the processes in the steps described below, processes other than those executed by the user are mainly executed by the calibration execution unit 153.

  In step S <b> 21, the target system 101 displays the bulls 20 target 202 on the display 30 of the target device 11 in accordance with a predetermined target selection operation from the user. At the same time, the operation screen 210 including the same display (target panel 211) is displayed on the monitor unit 122 of the PC 111.

  In the following description, the 20 small circular targets constituting the bull's 20 target 202 are expressed as small targets [i, j] (i = 1 to an integer of 5 and j = 1 to 4). For example, small target [1,1] is the upper left one, small target [5,1] is the upper right one, small target [1,4] is the lower left one, and small target [5,4] is the lower right one. Respectively.

  In step S22, the user determines a target to be calibrated among the 20 small targets [i, j] displayed on the display 30, and puts a sticky note on the target plate 24 that transmits the video ( The same as the sticky note 231 used in the first calibration process) is pasted. At this time, all 20 small targets [i, j] may be the target of calibration, or only the small targets [i, j] at positions where the true landing point and the landing mark are felt to be misaligned. May be the target of calibration.

  Further, the user shoots with the air gun aiming at the center of the sticky note (that is, the center of each small target [i, j]). This shooting need not be performed at a predetermined distance determined by shooting competitions, but may be performed from the closest distance of the target device 11. Due to this shooting, the small target [i, j] displayed on the display 30 or the like and targeted for calibration is calculated by the landing point calculation unit 151 before correction (or the previous second time). The bullet mark corresponding to the landing point (corrected by the correction value based on the calibration process) is displayed.

  In step S <b> 23, the user makes a hole in a bullet hole (dent) region generated on the sticky note paper without peeling off the sticky note paper from the target plate 24. Here, if there is no deviation between the bullet hole 232 that is the true landing point and the bullet hole mark, the hole 233 and the bullet hole mark coincide.

  Therefore, in step S24, the user causes the operation screen 210 to be superimposed and displayed on the bulls 20 target 202 of the display 30 by a predetermined operation as shown in FIG. Next, the user selects the landing number written on the bullet mark for each small target [i, j] determined as a calibration target on the scoreboard 214 in the operation screen 210. FIG. 21 shows a state in which the landing number 20 is selected on the score board 214, and the bullet hole mark of the landing number 20 on the bulls 20 target 202 is distinguished from other bullet hole marks according to this selection. Highlighted as you can.

  When the user operates the “position correction” button 215 with the landing number selected, a correction setting screen 250 is superimposed on the operation screen 210 as shown in FIG. 22 and is selected on the Bulls 20 target 202. Only the bullet mark of the landing number is highlighted and the display of other bullet marks is temporarily deleted. As a result, the user can quickly confirm the bullet mark currently being subjected to position correction. In FIGS. 21 and 22, illustration of a sticky note attached to the display 30 and having a hole is omitted.

Next, in step S <b> 25, the user looks at the hole of the sticky note affixed at the position of the small target [i, j] corresponding to the landing number selected on the score board 214 from the front in the target device 11. The “right” box and the “up” box are operated on the position correction panel 251 of the correction setting screen 250 displayed on the display 30 so that the bullet hole marks match (overlap). If the bullet mark matches the hole (overlap), the user selects the “OK” button 254 on the correction setting screen 250 in step S26. As a result, the movement amount of the bullet mark of the landing number selected on the score board 214 is determined. Then, among the array data of each small target [i, j] recorded in the landing point correction unit 152, it is determined as the corresponding element of the array data of the small target [i, j] closest to the bullet mark. The amount of movement added is overwritten and recorded. The array data can adopt the following format, for example.
Array data {x _{[i, j]} , y _{[i, j]} , _{Cx [i, j]} , _{Cy [i, j]} }
Here, (x _{[i, j]} , y _{[i, j]} ) is the center coordinates of the small target [i, j], and ( _{Cx [i, j]} , _{Cy [i, j]} ) is the bullet mark The amount of movement.

For example, the sequence data of the small target [1,1] at the upper left is {x _[1,1] , y _[1,1] , _{Cx [1,1]} , _{Cy [1,1]} }. .

  When it is determined in step S27 that the process from step S24 to step S26 is repeated until it is determined that the user has selected all of the small targets [i, j] to be calibrated, At this stage, sequence data corresponding to each small target [i, j] to be calibrated is newly recorded.

For the small target [i, j] that is not the calibration target, the corresponding array data is generated by the calibration execution unit 153 and is overwritten and recorded in the landing point correction unit 152. However, the movement amount ( _{Cx [i, j]} , _{Cy [i, j]} ) of the bullet mark in the array data is the same as that in the array data when the second calibration process is the first time. The initial value (set value at the time of shipment) is applied to the movement amount (C _{x [i, j]} , _{Cy [i, j]} ) of the bullet hole mark. The value recorded in the calibration process is used as it is. Thereafter, the process proceeds to step S28.

In step S28, the calibration execution unit 153 surrounds the twenty small targets [i, j] constituting the bull's 20 target 202, and the 22 dummy targets that are not displayed on the screen and are indicated by broken lines in FIG. 261, the array data corresponding to each dummy target 261 is converted into the amount of movement of the bullet mark (C _{x [i, j]} , C _{y [i} ] in the array data of the small target [i, j] having the closest distance. _{, j]} ) is copied and overwritten in the landing point correction unit 152.

  As the sequence data of the dummy target 261, instead of copying the movement amount of the actual array data of the small target [i, j], an optimal fixed value movement amount is set to the arrangement data of the dummy target 261. You may do it.

  In the following, the definition of [i, j] is an integer from i = 0 to 6, and an integer from j = 0 to 5, so that the dummy target 261 can also be represented by the notation of the small target [i, j]. Extend to By this extension, hereinafter, for example, the small target [0, 0] represents the upper left dummy target 261, and the small target [6, 5] represents the lower right dummy target 261, respectively.

  As described above, the array data respectively corresponding to the 42 small targets [i, j] are overwritten and recorded in the landing point correction unit 152, and the second calibration process is ended. Then, these arrangement data are correction of the landing point at the time of shooting using the target image 115 such as the bulls 20 target 202 that is aimed at (targeted to) any position of the target plate 24 that is performed thereafter, that is, This is used for correcting the display position of the bullet mark. The second calibration process is thus completed.

  In the above description, the operation screen 210 is superimposed on the Bulls 20 target 202 on the display 30 while looking at the target device 11 (the display 30) on which the sticky note 231 is pasted, and the correction setting screen 250 is also superimposed. Although it is displayed and input for operation, the operation screen 210 and the correction setting screen 250 can be displayed on the monitor unit 122 of the PC 111 for input. Further, in the second calibration process, another target image 115 in which a plurality of targets are arranged on the screen may be used instead of the bulls 20 target 202.

<Second bullet mark display process>
FIG. 24 is a flowchart for explaining the second bullet hole mark display process.

  This second bullet mark display processing is applied at the time of shooting using the target image 115 such as the bulls 20 target 202 that is aimed not only near the center of the target plate 24 but also at an arbitrary position after the second calibration processing. Is done.

When the user shoots at the target device 11 and the BB bullet 12 reaches the target plate 24, a detection signal is supplied from the target device 11 to the PC 111. In PC 111, in step S31, the landing point calculation unit 151 calculates the coordinates (x _p , y _p ) of the landing point P based on the detection signal.

・・・（１） In step S32, the landing point correction unit 152, as shown in FIG. 25, the four closest small targets [i, j], [i + 1, [1] surrounding the calculated landing point P (x _p , y _p ). j], [i, j + 1], [i + 1, j + 1] are specified. In step S33, the landing point correction unit 152 obtains the array data corresponding to the four specified small targets [i, j], [i + 1, j], [i, j + 1], and [i + 1, j + 1] by the following formulae. Applying to (1), the correction values Cx _p and Cy _p of bullet hole marks are calculated.

... (1)

However, the distance between the formula (1) Small target d _x is adjacent to the x direction in the [i, j] with a small target [i + 1, j], d _y is small target [i adjacent in the y-direction, j ] And the small target [i, j + 1]. Δx is the distance in the x direction from the center of the upper left small target [i, j] to the landing point P among the four small targets surrounding the landing point P. Δy is a distance in the y direction from the center of the upper left small target [i, j] to the landing point P among the four small targets surrounding the landing point P.

As is clear from the equation (1), the calculated correction values (Cx _p , Cy _p ) are more as the amount of movement of the bullet mark mark in the array data of the four small targets is closer to the landing point P. The value is weighted and averaged with a large weight. Instead of calculating the correction value from the array data of the latest four small targets surrounding the landing point P, the movement amount corresponding to one small target closest to the landing point P may be used as the correction value as it is.

In step S34, the landing point correction unit 152 adds the correction amount (Cx _p , Cy _p ) calculated in step S33 to the coordinates (x _p , y _p ) of the landing point P calculated in the process of step S31. As a result, the coordinates of the landing point P are corrected, and the corrected landing point coordinates (x _p + Cx _p , y _p + Cy _p ) are output to the subsequent stage. In step S35, the display control unit 155 displays a bullet mark on the already displayed target image 115 (such as the Bulls 20 target 202) according to the corrected landing point coordinates, and scores according to the corrected landing point coordinates. Is displayed. This is the end of the description of the second bullet hole mark display process.

  According to the second calibration process and the second bullet mark display process described above, the deviation between the true landing point and the calculated landing point is corrected not only in the central portion of the target plate 24 but over the entire range. be able to. Accordingly, it is possible to correct a shift in the display position of the bullet mark.

  Note that the second calibration process is executed for each target image 115 prepared in advance, and when shooting using each target image 115, the result of the corresponding second calibration process is used. By executing the second bullet hole mark display process, it is possible to more accurately correct the deviation of the bullet hole mark display position.

Further, the second bullet mark display process is not only applied at the time of shooting using the target image 115 such as the bulls 20 target 202 that is aimed not only at the center portion of the target plate 24 but also at an arbitrary position. This is executed instead of the first bullet mark display process even when shooting using the target image 115 such as the standard target 201 that is shot aiming near the center of 24, or overlaps with the first bullet mark display process. It may be executed. When the first and second bullet mark display processes are executed in duplicate, if the correction amount by the first bullet mark display process is (Cx ₀ , Cy ₀ ), the final corrected landing point coordinates are ( _{Cx 0 + x p + Cx p} , the _{Cy 0 + y p + Cy p} ).

<Grouping function>
Next, the grouping function realized mainly by the landing point grouping unit 154 will be described.

  As described above, when the BB bullet 12 hits the target plate 24 of the target device 11, a bullet mark is displayed on the target image 115, and further, the farthest among the bullet marks displayed for each landing by the grouping function. A grouping circle whose diameter is a straight line connecting the two landing points is displayed on the target image 115.

  The grouping function can be enabled in real time during shooting. It can also be applied to shooting results.

  When the grouping function is enabled at the time of shooting, only the bullet mark is displayed when the first shot lands, and when the second shot lands, the second bullet mark is displayed as shown in FIG. , A grouping circle 271 having a diameter of a straight line connecting the first and second bullet hole marks is displayed. Further, when the third shot is landed, the third bullet mark is displayed as shown in FIG. 27, and the farthest among the first, second, and third bullet marks instead of the grouping circle 271. A grouping circle 273 having a diameter of a straight line connecting the two landing points (in this case, the first and third landing points) is displayed.

  When the grouping function is applied to the shooting result, the grouping circle can be displayed according to the time series of landing, and the grouping circle can be displayed by removing the bullet mark in the order away from the center of the target. A grouping circle corresponding to an arbitrarily selected bullet hole mark can be displayed.

  Note that the center points 272 and 274 of the grouping circles as shown in FIGS. 26 and 27 may be displayed instead of or in addition to the grouping circles. Furthermore, a straight line connecting the center point of the grouping circle and the center of the target may be displayed.

  By displaying the grouping circle and its center point by the grouping function, the user can easily grasp the tendency of collecting due to his shooting ability, air gun characteristics, shooting environment, and the like. Thereby, the user can easily execute zero point correction (processing for appropriately adjusting an air gun sighting device, a scope attached to the air gun, and the like based on a tendency to collect balls).

  The embodiment of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.

  For example, carbon copy paper may be attached to the target plate 24 instead of the sticky note paper 231. In this case, since the bullet holes are marked on the target plate 24 by carbon, it is not necessary to make holes in the carbon copy paper. However, when carbon copy paper is used, in addition to carbon attaching to the target plate 24, the carbon copy paper is irregularly broken by landing and fine paper pieces adhere to the target plate 24. Cleaning work needs to be done. In consideration of this, the method using the sticky note 231 proposed in this embodiment is considered to be optimal as a means for retaining the true landing point.

  Note that the present invention may be applied to any game or game in which a flying object is applied to a target, specifically to a target system such as a dart or a blow arrow. In this case, a dart or a blown arrow may be displayed on the target image instead of the bullet mark. Of course, it is necessary to round the tip so that a dart or a blown arrow instead of the BB bullet does not pierce the target plate 24.

  Furthermore, if the strength of the target plate 24 is increased, the present invention can also be applied to a target system of an actual gun (such as an air gun) having higher energy at the time of landing than a toy gun (soft air gun).

  DESCRIPTION OF SYMBOLS 11 Target apparatus, 12 BB bullet, 13 Collection case, 21 Case, 24 Target board, 27 Acoustic sensor, 28 Signal processing board, 30 Display, 101 Target system, 111 PC, 115 Target image, 122 Monitor part, 131 CPU, 151 Landing point calculation unit, 152 Landing point correction unit, 153 Calibration execution unit, 154 Landing point grouping unit, 155 Display control unit, 156 Main screen display unit, 157 Sub screen display unit, 158 Target display unit, 159 Bullet hole display unit , 160 Information screen display unit, 161 Bullet velocity estimation unit, 162 Temperature information acquisition unit, 163 Speech synthesis unit, 201 Standard target, 202 Bulls 20 target, 210 Operation screen, 214 Scoreboard, 231 Sticky note, 232 Bullet hole, 233 hole 250 correction setting screen 251 position correction panel, 271 and 273 grouping circles

Claims (7)

In a target system used for competition or play where a flying object is hit against a target,
A target plate that is made of a member that transmits the image of the target image or that projects the image of the target image, and that collides with a flying object that flies toward the target image;
A detection unit for detecting an impact sound generated when the flying object collides with the target plate;
Based on the detected collision sound, a calculation unit that calculates a collision point of the flying object on the target plate;
A collision mark display unit for displaying a collision mark at a position on the target image corresponding to the calculated collision point;
A movement amount input unit that allows a user to set a movement amount of the display position in order to adjust the display position of the collision mark;
A correction unit that corrects the calculated collision point based on the amount of movement set by the user so that the true collision point of the flying object on the target plate matches the displayed collision mark; With
The said collision mark display part displays the said collision mark in the position on the said target image according to the said collision point after correction | amendment after the said movement amount was set. The target system characterized by the above-mentioned. The correction unit includes a plurality of true collision points on the target plate of the plurality of flying objects flying toward the plurality of small targets constituting the target image, and the collision marks displayed corresponding to each of the true collision points. 2. The target system according to claim 1, wherein the calculated collision point is corrected based on a plurality of the movement amounts set by a user such that and match each other. The correction unit calculates a correction value by weighting and averaging the movement amounts respectively corresponding to the four nearest small targets surrounding the calculated collision point according to the distance between the collision point and the small target. The target system according to claim 2, wherein the calculated collision point is corrected by adding the calculated correction value to the calculated collision point. A display unit for displaying a video of the target image;
The target system according to any one of claims 1 to 3, wherein the target plate transmits an image of a target image. The movement amount input unit causes the flying object to collide with the sticky note pasted on the target plate by a user, and forms a hole in a collision mark generated in the sticky note due to the collision of the flying object, 5. The correction unit is notified of the amount of movement when the collision mark is moved so that the hole and the collision mark coincide with each other while looking through the display unit. Target system as described in. The target system according to claim 1, further comprising a collision mark size input unit that allows a user to set a size of the collision mark to be displayed on the target image. A target system computer used in competitions or games where a flying object is hit against a target,
Based on the impact sound that is generated when a flying object that travels toward the target image collides with a target plate through which the target image image is transmitted or the target image image is projected. A calculation unit for calculating a collision point of the flying object;
A collision mark display unit for displaying a collision mark at a position on the target image corresponding to the calculated collision point;
A movement amount input unit that allows a user to set a movement amount of the display position in order to adjust the display position of the collision mark;
As a correction unit that corrects the calculated collision point based on the movement amount set by the user so that the true collision point of the flying object on the target plate matches the displayed collision mark. Make it work
The collision mark display unit displays the collision mark at a position on the target image corresponding to the corrected collision point after the movement amount is set.

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