JP2003076260A - Driving skill acquisition device - Google Patents

Abstract

(57) [Summary] [Problem] To provide a low-cost driving skill learning device that can be used by actually driving a vehicle. SOLUTION: A processing device 10 installed at a predetermined location of a vehicle C and having a predetermined arithmetic processing capability, and a processing device 1
Communication is performed between an image capturing device 1 that operates at a predetermined time interval and captures an image outside the vehicle at a predetermined time interval, a display device 2 that displays a processing result of the processing device 10, and a predetermined external device. A communication device 20;
However, the road data receiving function of receiving road data in a predetermined range from the outside via the communication device, and processing the image from the image capturing device while the vehicle is running and comparing the obtained road data with the road data And a vehicle position display function of displaying the detected current position of the vehicle together with road data on a display device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving skill acquisition device, and more particularly to a driving skill acquisition device which is provided in a vehicle and operates during actual driving of the vehicle.

[0002]

2. Description of the Related Art Conventionally, advanced safety vehicle (ASV) technology has been developed in order to provide information for supporting driving of a vehicle and a function for supporting prevention of accidents. One of them is a lane departure warning device. This lane departure warning device is equipped with an image capturing device such as a CCD camera provided on the back side of a vehicle rearview mirror as shown in FIG. 1B, for example. This CCD camera is provided so as to photograph the front of the vehicle through the windshield of the vehicle, and captures a front image at predetermined time intervals. At this time, the vehicle is equipped with a predetermined processing device, and the image is processed by this processing device. Specifically, the lane is recognized from the color information in the image. That is, a white line or an orange line is recognized. Then, if the vehicle is predicted to deviate from the driving lane in consideration of the current driving state of the vehicle, such as speed and direction, a warning is given to the driver by sound information to support safe driving. Is to do. For details of such a device, see Japanese Patent Application Laid-Open Nos. 2001-171449 and 2001.
Since it is disclosed in Japanese Patent Publication No. 175999, etc., its explanation is omitted.

[0003]

However, as described above, although the development of advanced safety automobile technology leads to the suppression of vehicle accidents, the driver's driving technique must be improved in order to further promote safe driving. Is desired. Usually, driving skills are acquired by learning at a driving school, but in practice, since they can be acquired by gaining some driving experience, support for acquiring driving skills is needed.

The lane departure warning device as described above is effective only when an unspecified event of lane departure occurs even though the lane departure warning device is expensive due to its configuration, and has no effect during normal driving. Not working.

[0005] In order to acquire driving skills, a driving simulator that can be simulated to drive at a driving school is used, but it is very expensive and difficult for individuals to purchase. , The content that can be simulated is also greatly limited.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a driving skill acquisition device which can improve the inconveniences of the above-mentioned prior art and can be used at low cost while actually driving a vehicle. To do.

[0007]

Therefore, in the present invention, a processing device installed at a predetermined location of a vehicle and having a predetermined arithmetic processing capability, and an image of the outside of the vehicle that operates according to a command from this processing device are displayed. An image capturing device that captures at a predetermined time interval, a display device that displays a processing result of the processing device, and a communication device that communicates with a predetermined external device are provided, and the processing device uses the communication device. The road data receiving function that receives road data in a predetermined range from the outside and the current position of the vehicle is detected by processing the image from the image capturing device while the vehicle is traveling and comparing it with the acquired road data. A vehicle position detection function and a vehicle position display function for displaying the detected current position of the vehicle together with road data on a display device are adopted (claim 1).
At this time, the road data receiving function of the processing device receives the predetermined ideal traveling line data of the road data together with the road data, and the vehicle position display function of the processing device causes the vehicle data display function of the vehicle along with the received ideal traveling line data. It is desirable to display the history of the current position on the display device (claim 2). The communication device may be a mobile phone (claim 7). Furthermore, a reading device for reading data stored in a predetermined storage medium instead of the communication device is provided at a predetermined place of the vehicle, and various information such as road data is read from the predetermined storage medium through the reading device. (Claim 8).

With this structure, first of all,
Road data in the vicinity of a road that is traveling in order to acquire driving skills, such as in a driving school or a circuit, is acquired in advance via a communication device or a reading device. Then, during traveling, vehicle front images are captured at predetermined intervals. Here, each time one image is captured, the image is processed. The process is based on the position of the vehicle relative to the road it is traveling on (eg,
The position of the vehicle with respect to the entire traveling road (that is, where on the road the vehicle is traveling) is detected, and the current position of the traveling vehicle is detected. Then, the current position of the vehicle detected for each image is displayed on the display device together with the road data. In addition, ideal traveling line data is also displayed. Therefore, the driver can objectively see the travel route (line) of the vehicle on the road through the display device, can review the driving by referring to the display, and acquire the driving skill. be able to. When the ideal travel line data is displayed, it is possible to compare the travel line of the own vehicle with the ideal travel line traveled by a professional driver or the like, and seeing this can improve the driving technique. When the camera is attached to the rear side of the rearview mirror and takes a front image of the vehicle, a CCD camera used for the above-described conventional lane departure warning device or the like can be used.
Therefore, it is possible to reduce the manufacturing cost of the present device by using the existing device that is installed in the vehicle in advance.

Further, the ideal traveling line data includes information on the ideal traveling state of the vehicle, and the processing device detects the information on the traveling state of the vehicle provided in the vehicle by a predetermined detection device. A running state information detecting function for acquiring information and a running state comparing function for comparing the detected information and ideal running state information are provided,
Then, the vehicle position display function of the processing device may display driving warning information based on the comparison result by the traveling state comparison function on the display device (claim 3).

As a result, first, the received ideal traveling line data includes ideal traveling state information including information such as an ideal vehicle speed at a predetermined location on the traveling road. Correspondingly, the actual traveling state information of the vehicle, that is, the speed, the steering angle, the timing of the brake, and the like are detected from a predetermined detection device. After that, the detected information is compared with the ideal traveling state information, and the warning information is displayed on the display device based on the comparison result. Therefore, the driver can easily recognize the points to be noted when driving,
By feeding back this warning, driving skills can be acquired.

Further, according to the present invention, a sound information generating device for outputting the processing result of the processing device as sound information is provided together with the display device or in place of the display device, and the processing device is a communication device. A road data receiving function for receiving road data in a predetermined range from outside via a vehicle and a predetermined ideal traveling line data of this road data, and an image from the image capturing device while the vehicle is traveling. A vehicle position detecting function for detecting the current position of the vehicle by processing and comparing with the acquired road data, and comparing the detected current position of the vehicle with the position on the ideal travel line data corresponding to this current position. It also has a configuration for providing a traveling position comparison function and a warning function for issuing a warning sound from the sound information generating device when the respective positions differ by comparison. Claim 4,6). Then, similarly to the above, the ideal traveling line data includes information on the ideal traveling state of the vehicle, and the processing device detects the information about the traveling state of the vehicle provided in the vehicle from the predetermined detecting device. It is equipped with a traveling state information detecting function for acquiring state information and a traveling state comparing function for comparing the detected information with the traveling state information included in the ideal traveling line data. A configuration may be employed in which a warning sound related to the traveling state is issued according to the result (claim 5).

With such a structure, the driver can use the display and the sound information, or the sound information only.
You can receive warnings about the driving line and driving status when the vehicle is driving. Therefore, by using the information obtained from the sense of hearing when driving, the driver can obtain a warning when driving with his or her line of sight directed forward, and can easily correct the driving operation based on the warning. . For this reason,
It is possible to achieve early acquisition of driving skills.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION <First Embodiment> A first embodiment of the present invention will be described below with reference to FIGS. 1 to 10. FIG. 1 is a schematic diagram showing the configuration of the present invention. Figure 2
FIG. 3 is a block diagram showing a configuration of the present invention. FIG. 3 is an example of a screen displayed on the display device. FIG. 4 is an explanatory diagram showing a procedure for detecting the position of the vehicle. 5 to 6 are
It is an example of a screen displayed on the display device. 7 to 1
0 is a flowchart showing the operation in the first embodiment of the present invention.

(Overall Structure) FIGS. 1 and 2 show the structure of a driving skill device according to the first embodiment. Figure 1 (a)
FIG. 1 is a schematic diagram showing a configuration of a driving skill acquisition device as viewed from the inside of a vehicle. FIG. 1B is a schematic diagram showing the configuration of the driving skill acquisition device viewed from the outside of the vehicle. FIG. 2 is a block diagram showing the configuration of the driving skill acquisition device.

As shown in FIGS. 1 and 2, the driving skill acquisition device according to the first embodiment is a processing device 10 installed at a predetermined location of a vehicle C and having a predetermined arithmetic processing capability.
An image capturing device 1 that captures images outside the vehicle at predetermined time intervals, a display device 2 that displays the processing result of the processing device 10, and a communication device 20 that communicates with a predetermined external device.
And a sound information generation device 5 that outputs the processing result of the processing device 1 as sound information. Then, each device 1, 2, 20, etc. other than the processing device 10 is controlled by the processing device 10 and operates based on the command.

Further, the driving skill acquisition device is an operation device 4 as a user interface for operating the setting of the driving skill acquisition device itself, a voltage booster 3 for supplying a voltage to the display device 2, and an engine control. Various control devices 60 such as a device and a mission control device and their communication lines 6
And an external recording device 50. The operating device 4
Is installed at a position where it can be easily seen from the driver's seat in the vehicle C and is easily operated by the driver.

With such a configuration, the driver of the vehicle is warned from the display device 2 and the sound information generating device 5 by recognizing the position of the traveling vehicle from the captured image and detecting the speed. Then, the device that supports the driver's acquisition of the driving skill so that the driver who receives this can acquire the driving skill instantly or by feeding back the value at the time of the next driving. Hereinafter, this will be described in detail.

(Each Device) First, the vehicle C in this embodiment is, for example, an automobile. In the case of a car, it is difficult for a person with little driving experience to grasp the size of the vehicle C. For example, the steering wheel is on the right side of the vehicle rather than the center, and the vehicle is wide. Therefore, it may be difficult to grasp the line on which the vehicle the driver is driving is traveling. In addition, since the driver does not recognize the operating characteristics of the vehicle, the vehicle may not operate according to his image. This is because, for example, the operation amount of the vehicle is different from the operation amount of the steering wheel. Therefore, in order for the driver to recognize the size of the vehicle and the specification of the motion, it is necessary to carry out training for acquiring driving skills. However, the vehicle C is not limited to an automobile, and may be a crane or the like.

The image capturing device 1 is a CCD camera capable of capturing an image in a predetermined range. This CCD camera 1
Is provided, for example, on the back side of the mirror surface of a rearview mirror M (a mirror for viewing the situation in the rear) provided near the windshield of the vehicle (see FIG. 1B). That is, the lens is provided in the front direction of the vehicle. Therefore, the image capturing device 1 is controlled by the processing device 10 to capture an image in front of the vehicle C.

The CCD camera 1 which is the image capturing device 1 is already provided in the rearview mirror M as a part of a lane departure warning device which is a conventional technique. As described above, by using the camera 1 provided as another device, it is not necessary to newly provide a dedicated camera, and the development cost can be reduced. Further, since the lane departure warning device can detect the lane from the captured image, the lane recognition method established by such a device can also be used. This lane recognition method can be used when recognizing where the vehicle is traveling with respect to the road width, as will be described later. Therefore, it is possible to further reduce the development cost.

The display device 2 is a display capable of displaying a predetermined image. For example, it is a display used in a car navigation system. The operation of this display is also controlled by the processing device 10, and the current position of the vehicle C and the like are displayed as described later.

The sound information generator 5 is a sound source for generating a predetermined sound. The processing device 10 also controls the operation of the processing device 10 to generate and emit a warning sound or the like as described later. At this time, the sound generated by the sound information generating device 5 is mainly emitted through the car audio speaker.

The communication device 20 is a wireless device, a mobile phone, or a PHS.
Etc., and transmits and receives predetermined data. Therefore,
Communication device 3 corresponding to communication device 20 provided in vehicle C
0 is provided externally. This external communication device 30
Is managed by a company that provides a driving skill acquisition device or manages a business of driving skill acquisition. The communication device 30 is provided in a place where the driver travels when he or she learns driving skills, such as a circuit, a driving school, or a dedicated driving range. However, it is not limited to being provided in such a place.

The external communication device 30 is provided with a predetermined storage device 31. The storage device 31 stores road data such as a circuit on which the vehicle travels, ideal travel line data of the road data, and speed and brake timing for each predetermined location on the road required to travel on the ideal travel line. The ideal traveling state information regarding the above is stored. Here, the ideal traveling line data and the ideal traveling state information are created and supervised by a professional racing driver, for example. However, the ideal travel line data may be a travel line that simply travels to the left. Then, the ideal traveling state information at this time may be information created in consideration of the speed limit.

The external storage device 31 further includes
Stored is registration information when a person who uses this device registers in advance. That is, the use of this device is a member registration system, and the user ID and password required when accessing the external communication device 30 to obtain the above-mentioned road data and the like are issued at the time of registration, and the storage device 31 Is also remembered.

Therefore, the vehicle C is installed in the external communication device 30.
The communication device 20 is provided with a function of making an inquiry with the stored data of the user ID and the password, and the inquiry result is returned to the vehicle C. As a result, only a specific user can use it, and it becomes easy to collect the information fee and the usage fee, and the person who provides the device can benefit.

Further, as described above, the communication device 20 does not need to be newly provided in the vehicle C by utilizing the widely used infrastructure such as a mobile phone or PHS, and therefore the development cost of the device itself is not required. Can be reduced. However, an interface for exchanging data with the processing device 10 or the like of the vehicle C from a mobile phone or the like is required.

The external recording device 50 is a device for storing an image representing a traveling line of the vehicle C, a predetermined ideal traveling line, and the like, as described later. Note that a warning display, a warning sound, and the like, which will be described later, can also be stored.

The control device 60 is a control device for controlling the operation of a predetermined device such as an engine control device and a mission control device provided in a general vehicle C. The control device 60 includes a communication line 6 for the processing device 10 and an in-vehicle L.
Connected by AN. Since the control device 60 is equipped with a vehicle speed sensor, a torque sensor, and the like, various data such as the vehicle speed, the steering angle, and the brake operation status can be acquired from the control device 60. That is, the processing device 10 can detect the traveling state of the vehicle C using the existing equipment. Here, the control device 60 can detect various running state information of the vehicle as described above, and hence is also referred to as a detection device hereinafter.

The processing device 10 includes a CPU having a predetermined arithmetic processing capacity, a ROM having a predetermined storage capacity, and an RA.
M, and data such as programs and the like stored therein. The processing device 10 controls the operation of other devices such as the image capturing device 1 as described above.
At this time, a predetermined program (for example, RO
What is stored in M) is incorporated into the CPU, so that the CPU operates as a predetermined function.

The CPU can also realize the following functions. That is, in the processing device 10,
To compare the road data receiving function of receiving road data of a predetermined range from the outside via the communication device 20 with the road data obtained while processing the image from the image capturing device 1 while the vehicle C is traveling. Are provided with a vehicle position detection function for detecting the current position of the vehicle and a vehicle position display function for displaying the detected current position of the vehicle C on the display device 2 together with road data.

The road data receiving function operates as follows. First, when the driver operates the operation device 4 to start using the device, the communication device 20 provided in the vehicle C is instructed to communicate with the external communication device 30. Subsequently, when the communication is established, the display device 2 prompts the driver to input the user name and password.
The password or the like input from the operation device 4 is transmitted to the external communication device 30. Then, the inquiry result of the user is received from the external communication device 30. Then, when the driver is the user, the driver receives a list of road data of the traveling place (for example, a circuit) stored in the storage device 31 from the external communication device 30 and selects the place to travel to the driver. Is requested via the display screen. The screen displayed on the display device 2 at this time is shown in FIG. Figure 3 (a)
Is a screen for introducing the received road data to the driver. The driver selects the traveling place (circuit, etc.) displayed on this screen, but when the driver is already at the traveling place, the road data corresponding to the place is selected. Then, by operating the operation device 4, information indicating that the predetermined traveling place is selected is transmitted to the external communication device 30. Then, correspondingly, the road data transmitted from the external communication device 30 is received. FIG. 3B shows a screen on which road data is being received (downloading).

Further, the road data to be received includes the predetermined ideal traveling line data of the road data mentioned above. Further, the ideal traveling line data also includes information on the ideal traveling state of the vehicle C. Therefore, the road data receiving function also receives this information.

Here, the external communication device 30 has a predetermined function so as to operate in accordance with the communication of the communication device 20 of the vehicle C as described above. That is, the function of inquiring whether or not the driver is registered as a member, the function of transmitting a list of road data, and the road data selected by the driver are transmitted from the user name and password of the driver. Functions, etc. These functions are realized by incorporating a program for each function into an arithmetic unit (not shown) forming a part of the external communication device 30. Although it has various other functions, the communication device 2 of the vehicle C is mainly used.
Since the function operates in correspondence with 0, it will be explained each time.

The vehicle position detection function operates as follows. First, an image is captured via the image capturing device 1 at a predetermined time interval from when the driver starts traveling, that is, when a predetermined operation to actually start traveling is performed. The captured image at this time is shown in FIG. Figure 4
(A) is a figure which shows the screen ahead of the vehicle C which is actually taken in and is in the middle of running. FIG. 4B is an explanatory diagram when detecting the position of the vehicle C. FIG. 4C is an explanatory diagram showing the position of the vehicle C on the road data.

Subsequently, the position of the vehicle C with respect to the road width is detected by performing the following processing on the captured image (see FIG. 4A). It should be noted that this processing is performed mainly by processing color information on the captured image. First, it is detected whether or not the center of the screen is the color of the road. If the road color is used, the vehicle C
Since it is on the road, it continuously detects whether there is a lane or a curb representing the edge of the road from the center of the screen to the left and right. When there are lanes etc. on the left and right, the center of the screen, that is,
The distance from the center of the vehicle C to the left and right road edges is calculated from the image (see α and β in FIG. 4B). The position of the vehicle C with respect to the road width is recognized from the ratio of the distances (for example,
The position is recognized from the ratio of α and β in FIG. 4B). on the other hand,
If there is no road in the center of the screen, the vehicle C is running off the road, and a warning or the like is issued as described later. Here, the colors of roads, lanes, and curbs are stored in advance in the received road data, and are detected by referring to such data.

Then, when the lane or the like on the road can be detected as described above (including the case where there is no road at the center of the screen), the shape is recognized by processing the lane or the like. For example, from the curvature of the lane. And
By matching the received road data with the shape of the lane or the like, the portion of the road data where the vehicle C is currently traveling is recognized. As a result, the current position of the vehicle with respect to the road data and the vehicle C with respect to the above road width
The traveling position of the vehicle C can be detected by referring to the position (see FIG. 4C).

The method of detecting the position of the vehicle C is as follows.
It is not limited to the above. Further, the above-mentioned method of detecting the lane or the like is a known technique by the lane departure warning device or the like as described in the conventional example, and therefore further detailed description will be omitted.

The vehicle position display function operates as follows. First, the road data near the position of the vehicle C detected as described above is displayed on the display device 4. Then, the current traveling position P of the vehicle C is displayed on this road data.
This is shown in FIG. FIG. 5A shows a screen when the position of the vehicle C is displayed, and FIG. 5B shows a screen when a warning is displayed on the display screen, as described later.

As shown in FIG. 5A, the display device 2 also displays the ideal traveling line data IL together with the road data. Then, along with this, the actual travel line TL of the vehicle C is also displayed. Therefore, the vehicle position display function accumulates the position of the vehicle C and displays the history of traveling. As a result, the driver can drive his own driving line TL.
Can be recognized, and the traveling line TL and the ideal line IL can be visually compared through the display device 2. Therefore, the traveling line can be corrected and the driving technique can be improved. Note that FIG.
In the center of (a), the current gear of the vehicle C is displayed, and in the upper right, the current travel range for the entire course is displayed in a square frame. Further, not only the traveling line TL of the own vehicle C but also the traveling lines of other vehicles are displayed.

Here, the processing device 10 described above is also provided with the following functions. That is, a traveling state information detection function that acquires the traveling state information from a predetermined detection device (not shown) that is provided in the vehicle C and that detects information regarding the traveling state of the vehicle C, and the detected information. A running state comparison function for comparing the ideal running state information is provided. Furthermore, a traveling position comparison function of comparing the detected current position of the vehicle C with a position on the ideal traveling line data corresponding to the current position, and a warning from the sound information generating device 5 when each position is different due to the comparison. A warning sound generating function for emitting a sound is provided.

The running state information detection function is performed by various control devices 60 (detection devices) such as an engine control device and a mission control device via the in-vehicle LAN 6 to detect vehicle speed data, steering angle data, and braking operation status of the current vehicle. Detects and acquires running state information. The detection timing is the same as the image capture timing of the image capture device 1 described above. That is, the driving state information is detected at the same time when the image is captured.

The running condition comparison function first compares the vehicle speed data, the steering angle data and the like with the ideal running condition information received together with the ideal running line data. Then, the difference is calculated. For example, the detected vehicle speed is 40 km / h, and the ideal traveling state information at that position is 30 km / h.
If it is m, it is 10 km / h from the ideal running state.
It is calculated that it is over. Further, this function may detect that the actual traveling line deviates from the ideal traveling line.

The above-mentioned vehicle position display function has a function of displaying the driving warning information on the display device 2 based on the detection result by the traveling state comparison function. The state of the display is shown in FIG. FIG. 6A is a diagram showing a warning display, and FIG. 6B is a diagram showing a screen displaying travel advice. The function of displaying the driving warning is set to operate, for example, when the detected vehicle speed of the vehicle C at a predetermined location exceeds the ideal traveling data by a certain value. More specifically, as described above, “speed over” is displayed on the display device 2 when the vehicle speed exceeds 10 km / h. Alternatively, as shown in FIG. 6A, “BRAKE
(Brake) ”may be displayed and a warning display prompting braking may be displayed because the entry speed into the corner is too fast.
Further, when it is detected that the traveling line deviates from the ideal traveling line, the fact that the traveling line deviates from the course is displayed as shown in FIG. 5B.

Further, the function of displaying the driving warning is as follows.
As shown in FIG. 6 (b), the driver also displays advice information when traveling. This advice information is information included in the ideal travel line data in advance. Then, it is displayed when a predetermined difference is calculated as a result of the comparison by the traveling state comparison function or the traveling position comparison function described later.

Further, the traveling position comparison function compares the traveling line with the ideal traveling line. Specifically, it is calculated whether or not the current position of the vehicle C is on the ideal travel line, and if it is off the ideal travel line, how far is it.

The warning sound generating function causes the sound information generating device 5 to generate a warning sound such as a buzzer sound when the current position is away from the ideal traveling line by a value equal to or more than a preset value in the above comparison. The warning sound may be voice information (words) that has been converted into data in advance. The warning generation function is not limited to be activated only when the vehicle C deviates from the ideal traveling line, and as described above, the detected traveling state information has a difference from the ideal traveling state information. In that case, it may be activated to emit a warning sound. That is,
When the speed of entering the corner is too fast, "brake" may be issued based on pre-stored voice information.

Here, as a method of warning the driver,
Although the method of displaying on the display device 2 and the method of issuing a warning sound by the sound information generating device 5 have been illustrated, the warning may be simultaneously issued from both devices 4 and 5, or may be issued from only one. Good.

The information of the displayed screen and the sound information are
By outputting in parallel from the RCA output terminal, it becomes possible to record by the external recording device 50. This allows the driver to view the recording after the end of driving,
You can analyze your driving skills over time. Therefore, it is possible to further acquire driving skills.

Furthermore, since the user who uses the driving skill acquisition device according to the present invention needs to be registered in advance and road information is transmitted after user authentication is performed, it is possible to suppress the leakage of information. You can In addition, since the user authentication makes it easy to recognize the user who has used the device, the business operator who provides and operates this device can easily collect the usage fee from the user who used the device.

Here, each function of the processing device 10 described above can be realized by the CPU of the processing device 10 executing a program described for each of the functions. This program is stored in a storage medium such as a ROM in the processing device 10 in advance and is incorporated into the processing device 10 by being read from the medium or downloaded from another device via the communication device 20. It is supposed to be.

(Operation) Next, the operation of the first embodiment will be described with reference to FIGS.

FIG. 7 is a flow chart showing the operation when starting to use the driving skill acquisition device of the present invention.
First, when the driver uses the driving skill acquisition device (step S1), a predetermined operation is performed on the operation device 4, and the user name (ID) and password acquired at the time of member registration are input to the vehicle C. Communication device 20 to external communication device 30
(Step S2). The external communication device 30 having received this performs user authentication by referring to the member information accumulated in the storage device 31 (step S3). Then, when the authentication result is received from the external communication device 30 and the result indicates that the user is registered (step S4), the connection between the communication device 20 of the vehicle C and the external communication device 30 is continued thereafter. maintain. Then, the driver selects a road on which he / she is going to travel from the list transmitted from the external communication device 30 by the operation device 4, whereby the road information is transmitted from the external communication device 30, and the road information is transmitted from the external communication device 30. 20 receives (step S5). This data is stored in the RAM or the like inside the processing device 10 of the vehicle C.

Next, the overall operation will be described. Figure 8
It is a flow chart which shows the whole operation. First, as described above, the road data on which the vehicle is going to travel is received, but the ideal traveling line data and the ideal traveling state information are also received together with this road data (step S1).
1). Then, these pieces of information are also stored inside the processing device 10.

Then, the driver starts traveling (step S12). Then, at the start of traveling, a predetermined operation is performed on the operation device 4. As a result, the capturing of the road image is started at a predetermined time interval (step S1).
3). Further, the traveling state information is detected from various control devices as the image is captured. At this time, every time one image is captured, the position of the vehicle C is detected from the image (step S14). This detection process will be described later.

Subsequently, the detected current position of the vehicle C is compared with the ideal traveling line data, and the detected traveling state information is compared with the ideal traveling state information (step S15). Then, after that, the current position of the vehicle C is displayed on the display device 2 together with the road data. At this time,
Based on the comparison result, a warning is displayed on the display device 2, and a warning sound is also generated from the sound information generating device 5 (step S1).
6). After that, by continuing traveling (step S1
7) The image and the traveling state information are acquired at predetermined time intervals, and the above process is repeated.

Next, the operation of detecting the position of the vehicle C in step S14 of FIG. 8 will be described with reference to FIG. First, as described above, the image of the traveling road is captured (step S21). The following process is performed on this image to detect the position of the vehicle C.

First, it is checked by image processing whether or not there is a road surface in the center of the image (step S22). This is included in the road data that has been previously received as road surface color data, and can be checked based on such data. At this time, when it is determined that there is a road surface in the center, whether or not there are road edges on the left and right sides is similarly checked by image processing (step S23). At this time, as above,
Color data of lanes and curbs on the road edge are included in the road data in advance, so it is possible to investigate based on such data.

Subsequently, the distances from the center of the screen, that is, from the center of the vehicle C to the left and right road edges are calculated, and the relative position of the vehicle to the road width is detected from the ratio of the distances (step S25). . Then, the detected position is temporarily stored in the RAM or the like of the processing device 10.

Then, the shape of the road lane or the like is recognized (step S26). Then, the recognized shape is matched with the road data (step S27), and the location where the vehicle C is currently traveling on the road is detected. That is, the absolute position of the vehicle is detected (step S2
8). This position information is temporarily stored together with the relative position information (step S29), and the position is compared with the ideal traveling line data (step S30). At this time, as described above, the current position is displayed on the display device 2, and when the current position is not on the ideal traveling line, a warning is displayed or a warning sound is emitted (step S).
33).

When it is determined that there is no road surface at the center of the screen in the first process after image capturing (step S22), it is checked whether there is a road edge on the left or right (step S31). ). Then, when the road edge is detected, the distance to the road edge is calculated (step S3).
2) The relative position of the vehicle with respect to the road is detected from this information. Then, after that, the process proceeds to step S26, the shape of the road edge is recognized, and the absolute position of the vehicle C is detected.
At this time, as a matter of course, the traveling line deviates from the ideal line, so a warning is issued (step S33).

Furthermore, if there is no road surface in the center of the screen and no road edge can be detected on either the left or right in the processing of step S31, it is determined that the vehicle C is a considerable distance from the road. , A warning is immediately issued (step S33).

Next, the operation when a warning is issued from the display device 2 or the sound information generating device 5 will be described with reference to FIG. First, as described above, road data, ideal traveling line data, ideal traveling state information, etc. are received (step S41). Then, the driver inputs the driver information such as the age and sex of the driver and the weather and time when the traveling is started from the operation device 4 (step S4).
2). Based on the input information, the processing device 10 updates the ideal traveling line data and the ideal traveling state information (step S43). This is because the speed of the running vehicle becomes slower when the driver is an elderly person, when the weather is rainy, or after sunset.
Therefore, the processing device 10 is provided with a predetermined standard in advance, and is provided with a function of changing the ideal traveling line or the like based on the predetermined standard.

When the traveling is started, the traveling road image is captured at predetermined time intervals and the vehicle speed and the like are detected as described above (step S44). Then, the current position of the vehicle C is detected by performing a predetermined process on the captured image (step S4).
5).

Here, the distance between the current position of the vehicle C and the ideal traveling line corresponding to the position is calculated, and it is determined whether this distance is equal to or greater than a predetermined value (step S46). Then, when the difference is equal to or more than the predetermined value, a warning that the traveling line is out of the ideal line is displayed or sounded (step S47). Further, the detected traveling state information and the ideal traveling state information are compared, and when the difference is equal to or more than a predetermined value, for example, when the detected speed exceeds the ideal speed (step (S48), a warning indicating that the speed is exceeded is issued (step S49).
At this time, the current position of the vehicle C is displayed on the display device 2 together with the road data (step S50).

By doing so, the driver of the vehicle C that he or she drives is difficult to recognize because the vehicle usually has a predetermined size and is a right-hand drive. By displaying the travel line on the display device 2, it can be objectively recognized. Then, at this time, since it can be compared with the ideal line, it can be corrected at the next driving, and the driving skill can be acquired.

Further, by using the image capturing device forming a part of the present device together with the camera used in the conventional lane departure warning device or the like, the manufacturing cost can be reduced. Similarly, for detecting the vehicle speed and the like, the cost can be reduced by using a generally equipped engine control device or the like.

When a warning is given by sound information,
Since it is possible to obtain a warning regarding driving skills while focusing on driving, it is possible to easily acquire running skills even while driving.

<Second Embodiment> A second embodiment of the present invention will be described below with reference to FIG. FIG. 11 is a block diagram showing the configuration of the second exemplary embodiment of the present invention.

As shown in FIG. 11, the driving skill acquisition device according to the second embodiment has substantially the same components as those of the first embodiment described above. A different point is that a reading device 40 that reads data stored in a predetermined storage medium instead of the communication device 20 is provided at a predetermined position of the vehicle C. Then, along with this, the road data, ideal traveling line data, ideal traveling state information, etc., described above,
It is read from the storage medium 41 that can be read by the reading device 40. At this time, the storage medium 41 is a memory card,
A small portable memory such as a magnetic disk or a magneto-optical disk is desirable. Then, as described above, the storage medium 41 in which the road data and the like are stored is distributed for a fee, so that the usage fee can be easily collected from the user. Moreover, since the access speed of the processing device 10 to the data in the storage medium 41 is improved, the processing speed in the processing device 10 can be increased,
The convenience of the user can be improved.

Further, in this embodiment, as shown in FIG. 11, the voltage boosting device 3 is incorporated in the processing device 10. Therefore, it is possible to simplify the device and reduce the cost by reducing the number of parts.

Further, when the vehicle C is equipped with a car navigation system (not shown), the present position of the own vehicle can be detected by GPS by the navigation system and the present position can be used. .
Specifically, the detected vehicle position data is transmitted to the processing device 10 via the communication line 6 and handled in the same manner as the position information detected by the processing device 10 in the vehicle position detection function. As a result, the program for detecting the position of the vehicle can be deleted, and the cost can be further reduced.

[0073]

Since the present invention is constructed and functions as described above, according to this, an external image during traveling is captured by an image capturing device provided in a vehicle, and such an image is acquired in advance. The position of the own vehicle can be recognized from the data of the road on which the vehicle has traveled, and by displaying this together with the road on the display device, the driver can visually recognize the traveling line of the vehicle. Therefore, there is an unprecedented excellent effect that the driving skill can be acquired by referring to such a traveling line and making use of it in the later driving. At this time, by displaying the traveling line of the own vehicle and the preset ideal traveling line at the same time, the driver can further acquire the driving skill by comparing the traveling line with the sample traveling line.

At this time, the image capturing device is used in another technique and is used in combination with the device provided in the vehicle,
The cost of the device can be reduced.

When the traveling line deviates from the ideal line or the vehicle speed exceeds the ideal vehicle speed, a warning is displayed or a warning sound is emitted, so that the driver can correct himself / herself while traveling. Since it is possible to recognize necessary matters, it is possible to further acquire driving skills.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a configuration of a first exemplary embodiment of the present invention. FIG. 1A is a diagram showing the configuration as seen from the inside of the vehicle, and FIG. 1B is a diagram showing the configuration as seen from the outside of the vehicle.

FIG. 2 is a block diagram showing the configuration of the first embodiment.

FIG. 3 is a diagram showing a user interface displayed on a display device. FIG. 3A shows a screen displayed when road data is selected, and FIG. 3B shows a screen displayed when road data is received.

FIG. 4 is an image captured by an image capturing device;
It is a figure which shows a mode when detecting the position of a vehicle using such an image. FIG. 4A is a diagram showing the captured screen in front of the vehicle. FIG. 4B is an explanatory diagram showing a state when the position of the vehicle with respect to the road width is detected. Figure 4
(C) is an explanatory view showing a state when the position of the vehicle with respect to the road data is detected.

FIG. 5 is a diagram showing a user interface displayed on a display device. FIG. 5A shows a screen displaying the traveling line of the vehicle, and FIG. 5B shows a warning display screen.

FIG. 6 is a diagram showing a user interface displayed on a display device. FIG. 6A shows a warning display screen, and FIG. 6B shows a travel advice display screen.

FIG. 7 is a flowchart showing an operation at the start of use of the present invention.

FIG. 8 is a flowchart showing an overall operation according to the first embodiment of the present invention.

FIG. 9 is a flowchart showing an operation when detecting the position of the vehicle.

FIG. 10 is a flowchart showing an operation when issuing a warning.

FIG. 11 is a block diagram showing a configuration according to a second exemplary embodiment of the present invention.

[Explanation of symbols]

1 Image capture device 2 display 3 voltage booster 4 Operating device 5 Sound information generator 6 communication lines 10 processor 20 communication devices 30 Communication device (external) 31 storage device 40 reader 41 storage media 60 Control device (detection device) C vehicle M room mirror P current position IL ideal driving line TD running line

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B60R 21/00 B60R 21/00 624G 626 626B 626G 628 628B 628E G09B 19/16 G09B 19/16 (72) Invention Person Yasukazu Yuki 300 Takazuka-cho, Hamamatsu City, Shizuoka Prefecture Suzuki Stock Company F-term (reference) 3D037 FA01 FA13 FA23 FA24 FA25 FA26 FA27 FB09 FB10

Claims (8)

[Claims] 1. A processing device installed at a predetermined location of a vehicle and having a predetermined arithmetic processing capability, and an image capturing function for operating at the command of the processing device and capturing an image outside the vehicle at predetermined time intervals. A device, a display device that displays a processing result of the processing device, and a communication device that communicates with a predetermined external device, wherein the processing device has a predetermined range of road data from the outside via the communication device. A road data receiving function for receiving a vehicle position detecting function for detecting the current position of the vehicle by processing the image from the image capturing device while the vehicle is traveling and comparing it with the acquired road data; A driving skill acquisition device having a vehicle position display function of displaying the detected current position of the vehicle on the display device together with the road data. 2. The road data receiving function of the processing device comprises:
The predetermined ideal traveling line data of the road data is received together with the road data, and the vehicle position display function of the processing device displays the history of the current position of the vehicle together with the received ideal traveling line data on the display device. The driving skill acquisition device according to claim 1, wherein the driving skill acquisition device is displayed. 3. The ideal traveling line data includes information on an ideal traveling state of a vehicle, and the processing device is provided with a predetermined detection device for detecting information on a traveling state of the vehicle. A running state information detection function for acquiring the running state information and a running state comparison function for comparing the detected information with the ideal running state information are provided, and the vehicle position display function of the processing device is the display device. The driving skill acquisition device according to claim 1 or 2, characterized in that driving warning information based on a comparison result by the traveling state comparison function is displayed. 4. A sound information generation device, which is activated by a command from the processing device and outputs the processing result of the processing device as sound information, is provided at a predetermined location of the vehicle, and the processing device is detected. A traveling position comparison function for comparing the current position of the vehicle with a position on the ideal traveling line data corresponding to the current position, and a warning sound for issuing a warning sound from the sound information generating device when the respective positions differ by comparison The driving skill acquisition device according to claim 2, further comprising a generation function. 5. The ideal traveling line data includes information on an ideal traveling state of a vehicle, and the processing device is provided with a predetermined detection device for detecting information on a traveling state of the vehicle. A running state information detection function for acquiring the running state information and a running state comparison function for comparing the detected information with the running state information included in the ideal running line data are provided, and a warning sound of the processing device is generated. The driving skill acquisition device according to claim 4, wherein the function emits a warning sound regarding a running state according to the comparison result. 6. A processing device installed at a predetermined location of a vehicle and having a predetermined arithmetic processing capacity, and an image capturing for capturing an image of the outside of the vehicle, which operates at a command of the processing device, at predetermined time intervals. A device, a sound information generating device that outputs the processing result of the processing device as sound information, and a communication device that communicates with a predetermined external device, wherein the processing device is externally connected via the communication device. A road data receiving function for receiving road data in a predetermined range and predetermined ideal traveling line data of this road data, and processing and acquiring the image from the image capturing device while the vehicle is traveling. The vehicle position detection function for detecting the current position of the vehicle by comparing with the road data, and the current position of the detected vehicle and the position on the ideal travel line data corresponding to this current position are compared. A traveling position comparison function of, driving skill acquisition apparatus characterized by comprising a warning function to emit a warning sound from the sound information generation device when the respective positions are different by comparison. 7. The driving skill acquisition device according to claim 1, 2, 3, 4, 5 or 6, wherein the communication device is a mobile phone. 8. A reading device for reading data stored in a predetermined storage medium in place of the communication device at a predetermined location of the vehicle, wherein the road data is read from the predetermined storage medium via the reading device. The driving skill acquisition device according to claim 1, 2, 3, 4, 5, or 6, which reads various information such as.