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WO2019071440A1 - Procédé et dispositif de mise au point photographique - Google Patents

Procédé et dispositif de mise au point photographique Download PDF

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Publication number
WO2019071440A1
WO2019071440A1 PCT/CN2017/105578 CN2017105578W WO2019071440A1 WO 2019071440 A1 WO2019071440 A1 WO 2019071440A1 CN 2017105578 W CN2017105578 W CN 2017105578W WO 2019071440 A1 WO2019071440 A1 WO 2019071440A1
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WO
WIPO (PCT)
Prior art keywords
focus
pressing operation
terminal
target
button
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/105578
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English (en)
Chinese (zh)
Inventor
梁卉卉
郭辉奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Transsion Communication Co Ltd
Original Assignee
Shenzhen Transsion Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Transsion Communication Co Ltd filed Critical Shenzhen Transsion Communication Co Ltd
Priority to PCT/CN2017/105578 priority Critical patent/WO2019071440A1/fr
Priority to CN201780095800.8A priority patent/CN111201768B/zh
Publication of WO2019071440A1 publication Critical patent/WO2019071440A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Definitions

  • the present invention relates to the field of photo shooting technology, and in particular, to a shooting focusing method and apparatus.
  • Embodiments of the present invention provide a shooting focus method and apparatus, which can improve the possibility of successful shooting focus.
  • an embodiment of the present invention provides a shooting focus method, including:
  • an embodiment of the present invention provides a photographing and focusing device, the device comprising: a determining unit, configured to determine a target image indicated by the focus command when receiving a focus command on a photographing interface displayed by the photographing terminal a detecting unit configured to detect a pressing operation on a target button of the photographing terminal when a focus function based on a target button is turned on in the photographing terminal; and a processing unit configured to detect the target button During the pressing operation, the target image area is the image focus position, and the shooting terminal is subjected to focus control; and the display unit is configured to display the image captured after the focus control on the shooting interface.
  • an embodiment of the present invention provides a terminal, including a processor, an input device, an output device, and a memory, where the processor, the input device, the output device, and the memory are connected to each other, wherein the memory is used for storage support.
  • the terminal executes a computer program of the above method, the computer program comprising program instructions, the processor being configured to invoke the program instructions to perform the method of the first aspect above.
  • an embodiment of the present invention provides a computer readable storage medium, wherein the computer storage medium stores program instructions, when the program instructions are executed by a processor, causing the processor to execute the foregoing The method on the one hand.
  • the possibility of successful focus can be improved.
  • FIG. 1 is a schematic flowchart of a shooting focus method according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a shooting focus method according to another embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a shooting display interface according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a photographing and focusing device according to an embodiment of the present invention.
  • FIG. 5 is a schematic block diagram of a terminal according to an embodiment of the present invention.
  • the terminals described in this embodiment of the invention include, but are not limited to, other portable devices such as mobile phones, laptop computers or tablet computers having touch sensitive surfaces (eg, touch screen displays and/or touch pads). It should also be understood that in some embodiments, the device is not a portable communication device, but a desktop computer having a touch sensitive surface (eg, a touch screen display and/or a touch pad).
  • Various applications that can be executed on the terminal can use at least one such as a touch sensitive surface Public physical user interface devices.
  • One or more functions of the touch sensitive surface and corresponding information displayed on the terminal can be adjusted and/or changed within the application and/or within the respective application.
  • the common physical architecture of the terminal eg, a touch-sensitive surface
  • the terminal may be a mobile phone, a tablet computer, a notebook computer, a mobile Internet device (MID), or the like, which can be used for shooting.
  • MID mobile Internet device
  • the above terminal is only an example, not an exhaustive one, including but not limited to The above optional terminal.
  • FIG. 1 is a schematic flowchart of a method for shooting a focus according to an embodiment of the present invention.
  • the method for photographing focus as shown in FIG. 1 may include:
  • the camera when the end user wants to take a photo, first open the shooting application of the terminal, and the terminal opens the camera, the camera may be a front camera or a rear camera, and the display interface of the terminal displays the image acquired by the camera.
  • the terminal receives the user's focus command, the selected target image area is focused.
  • the focus command includes a focus command generated by the terminal through the touch screen and/or a focus command automatically generated by the terminal.
  • the user generates a focus command by using a certain area in the single-click shooting interface
  • the terminal uses the position of the user's single click as the focus center to generate a circular focus area with a radius of 1 cm from the center of the focus center.
  • a focus prompt frame is generated, and the shape of the focus prompt frame includes: a circle or a square.
  • the focus command may be automatically generated by the terminal.
  • the terminal detects a human face in the image acquired by the camera, the face is automatically recognized.
  • the face is automatically triggered to focus.
  • the area thus generates a focus command and generates a focus balloon.
  • the focus command may be automatically generated by the terminal.
  • the terminal turns on the camera to obtain an image
  • the terminal generates a focus command with the area closest to the camera as the focus area, or the center area of the image directly acquired by the terminal with the camera. Generates a focus command for the focus area and generates a focus frame.
  • a focus function selection button based on the target button is displayed on the shooting display interface, and when the terminal receives an instruction to select a focus function based on the target button, the image obtained by the camera is focused based on the target button.
  • the instruction may be generated by the user clicking the focus function selection button, or may be set by the user in advance at the terminal, and the focus function based on the target button is executed every time by default.
  • the target button of the terminal is scanned and detected.
  • corresponding processing is performed according to the pressing operation.
  • the target image area is used as an image focusing position, and the shooting terminal is subjected to focus control.
  • the corresponding processing is performed according to the pressing operation. For example, when the processing corresponding to the pressing operation detected by the terminal is to return to the main screen, the operation returns to the main screen operation; when the processing corresponding to the pressing operation detected by the terminal is to focus on the selected focus area, the focusing operation is performed. .
  • the focus frame is generated, and the generation of the focus frame is generated by referring to the prompt box of step S101, and the focus frame disappears while the focus frame is generated.
  • the focus frame when the focus frame is generated, the focus frame includes a photometric frame, and the focus frame and the photometric frame are separable, and the image of the photographing interface can be adjusted by moving the position of the photometric frame.
  • the focus function When the focus function is performed, the image after focusing is displayed on the shooting interface, the user can watch whether the generated image meets the expected requirements, and if the desired requirement is not met, the focus can be refocused. For example, after the user focuses on the selected position, it is found that the sharpness after focusing is not high, and if the desired requirement is not met, the focus can be refocused by changing the focus position; or when the user selects the selected position. After focusing, it is found that the selected position is not the position where the focus is expected, and the displayed image does not conform to the expected beauty, then the focus can be reselected.
  • the possibility of successful focus can be improved.
  • FIG. 2 is a schematic flowchart of a method for photographing focus according to another embodiment of the present invention.
  • the photographing focus method shown in FIG. 2 may include:
  • the S201 may include: receiving a touch screen click operation; detecting a corresponding position of the touch screen click operation on the shooting interface; and positioning the corresponding position based on the touch screen operation on the shooting interface Determine the target image area.
  • the user receives a single click of the screen to generate a focus command, and performs scan detection on the display interface of the image acquired by the camera of the terminal, wherein the display screen of the terminal is a touch screen, and the scan is detected by the sensor to detect whether to receive.
  • the touch screen includes, but is not limited to, a capacitive touch screen, a piezoelectric touch screen, an infrared touch screen, and a surface acoustic wave touch screen.
  • the touch coordinates of the click operation are determined by the sensor, and the surface acoustic wave touch screen is taken as an example.
  • the transmit signal and the received signal waveform are not touched, the signal is received.
  • the waveform is exactly the same as the reference waveform.
  • the receiving waveform corresponding to the finger blocking part signal attenuates a gap, and the position of the notch is calculated, that is, the touch coordinate controller analyzes the attenuation of the received signal and determines the X coordinate from the position of the notch.
  • the Y-axis is then used to determine the Y-coordinate of the touch point using the same process.
  • the surface acoustic wave touch screen also responds to the Z-axis coordinate of the third axis, that is, the value of the user's touch pressure can be sensed.
  • the principle is calculated from the amount of attenuation at the attenuation of the received signal. Once the three axes are determined, the controller passes them to the terminal. The terminal thus determines the location at which the user clicks on the touch screen.
  • the terminal determines the location of the touch screen that the user clicks, that is, determines the target image area of the focus, and simultaneously generates a focus prompt frame for displaying the focus target image area determined by the user
  • the focus The center of the prompt box is the position that the user clicks, and the generation of the focus prompt frame can also be performed by referring to step S101.
  • a focus function selection button is displayed above the photographing display interface, and the focus selection function can be used to replace the button of the camera before and after, the selection button for the time used for shooting, and the flash button is in the same row above the shooting interface.
  • the focus function selection button it is determined that the user selects the focus function selection mode based on the pressing operation. If the user has not detected that the focus function selection button has been clicked, and the user does not preset the button-based focusing function, the default user selects the conventional focus mode.
  • 301 is a selection button based on a button focus function.
  • the user clicks 301 the user selects a focus-based focus function.
  • Focus function. 302 is a selection button for selecting to turn on the flash.
  • the user clicks 302 the user turns on the flash.
  • the flash is turned on and the user clicks 302, the user turns off the flash.
  • the user clicks 303 it indicates that the user wants to select the time of each shooting. At this time, the icon of 303 becomes three small buttons of 3s, 5s and 10s.
  • the user clicks to select one of the buttons the user selects The time of each shot.
  • the terminal when the user clicks the 3s button, it means that when the user presses the shooting button, the terminal performs the shooting operation after 3 seconds; or when the user clicks the 5s button, it means that when the user presses the shooting button, the terminal passes after 5 seconds. Perform the shooting operation.
  • the user clicks 304 it indicates that the user replaces the front and rear cameras. For example, when the terminal opens the rear camera to acquire an image, after the user clicks 304, the terminal turns on the rear camera to acquire an image. Similarly, when the terminal turns on the front camera to acquire an image, When the user clicks on 304, the terminal turns on the rear camera to acquire an image. 305 displays the image acquired by the terminal camera. 306 represents the user's button.
  • the terminal When the user presses 306, the terminal performs a return to the home screen operation; when the user clicks 301 to select a focus function based on the target button, 306 is the target button, if the user presses 306.
  • the corresponding processing is performed according to the embodiment, and details are not described herein.
  • the pressure value of the pressing operation is obtained, and if the pressure value of the pressing operation belongs to the first level, triggering execution of the target image area as an image focusing position, and performing focus control on the shooting terminal .
  • the terminal pre-grades the level of the pressure value, and the pressure value can be divided into two different levels. For example, if the target button is touched lightly, the pressure value belongs to the first Level, if the target button is strongly pressed or clicked, the pressure value belongs to the second level, and the pressure values of different levels correspond to different processing. For example, if the pressure value of the pressing operation belongs to the first level, the corresponding operation is triggered. Performing focus control on the photographing terminal by performing the target image area as an image focus position. Wherein, the pressure value of the pressing operation of the user on the target button is acquired, and specifically, the pressure value of the user pressing operation is acquired by the pressure sensor.
  • the fingerprint information of the pressing operation is acquired, and if the fingerprint information of the pressing operation belongs to the first fingerprint information, triggering execution of the target image area as an image focusing position, and focusing on the shooting terminal control.
  • the terminal first establishes a fingerprint database and then performs fingerprint collection.
  • the manner of collection includes, but is not limited to, living optical, capacitive, and pressure sensitive.
  • the fingerprints can be divided into two categories. For example, the fingerprint of the thumb is divided into the first category, the fingerprint of the index finger is divided into the second category, or the finger that the user conveniently presses the button.
  • the fingerprints are all set to the first fingerprint type, and the other finger fingerprints that are inconvenient to press the keys are set as the second fingerprint type.
  • Different types of fingerprints correspond to different processes. For example, if the pressing operation fingerprint information belongs to the first fingerprint information, the corresponding operation is to trigger the execution of the target image area as the image focus position, and perform focus control on the shooting terminal.
  • another function of the target button itself is to instruct the terminal to exit the current application interface and return to the home screen interface, so when the pressure value of the user's pressing operation belongs to the second level or the fingerprint information of the pressing operation belongs to the second fingerprint.
  • the execution returns to the home screen interface.
  • S204 Generate an in-focus frame by using the target image area as an image in-focus position.
  • the focus image is generated by using the target image area as the image focus position.
  • the focus frame includes a light metering frame, and the focus frame and the light metering frame are separable, and the image of the shooting interface can be brightness adjusted by moving the position of the light metering frame.
  • the focus frame and the photometric frame have the same shape and may be circular or square or diamond.
  • the adjustment operation includes: a moving operation for moving the focus frame and/or a size for adjusting the focus frame. Adjust the operation.
  • the adjustment of the focus frame by the user may be received.
  • the focus frame when the user finds that the position corresponding to the focus frame is not the position that he wants to focus on, the focus frame can be selected by clicking the selected focus frame and then moving on the display interface to adjust the focus. The position of the frame; or the user can double-click the focus frame to represent the focus frame, and then double-click the position where you want to focus. At this time, the focus frame can be moved to the position where the user double-clicks, and the center of the focus frame is the same as the position double-clicked by the user. Thereby the position where the user wants to focus.
  • the area corresponding to the focus frame does not match the size of the area that is desired to be in focus, for example, the area that the user wants to focus on is the entire building A, and the focus frame cannot move the entire part anyway.
  • the user can select the focus frame to move, and perform the outward expansion operation on the focus frame by two fingers to enlarge the focus frame.
  • the focus frame is too large, it is much larger than the user wants to focus.
  • the user can select the focus frame to move, and perform the inward retracting operation on the focus frame by two fingers to reduce the focus frame; or the user can click to select the frame of the focus frame to move, and the outer frame is stretched. The focus frame becomes larger, or it is pulled inward to make the focus frame smaller.
  • the possibility of successful focus can be improved.
  • FIG. 4 is a schematic block diagram of a terminal according to another embodiment of the present invention.
  • the terminal described in this embodiment includes:
  • a determining unit 401 configured to determine a target image area indicated by the focus instruction when receiving a focus instruction on a shooting interface displayed by the shooting terminal;
  • the detecting unit 402 is configured to detect a pressing operation on a target button of the photographing terminal when a focus function based on a target button is turned on in the photographing terminal;
  • the processing unit 403 is configured to perform focus control on the photographing terminal when the target image area is an image focus position when detecting a pressing operation on the target button;
  • the display unit 404 is configured to display an image captured after the focus control on the shooting interface.
  • the determining unit 401 is specifically configured to receive a touch screen click operation; detect a corresponding position of the touch screen click operation on the shooting interface; and the shooting position is based on the touch screen operation corresponding position Determine the target image area.
  • the detecting unit 402 is specifically configured to display a focus function selection button on the photographing interface, where the focus function selection button comprises: a focus function selection button based on a pressing operation; and a selection of the focus function is received When the selection operation of the button is performed, the pressing operation of detecting the target button on the photographing terminal is triggered.
  • the processing unit 403 is specifically configured to generate an in-focus frame by using the target image area as an image in-focus position; and if an adjustment operation on the in-focus frame is received, re-generating and displaying a focus according to the adjusting operation a frame, the adjusting operation includes: a moving operation for moving the in-focus frame and/or an adjusting operation for adjusting the size of the in-focus frame.
  • the processing unit 403 is configured to acquire a pressure value of the pressing operation when detecting a pressing operation on the target button; if the pressure value of the pressing operation belongs to the first level, triggering the execution
  • the target image area is referred to as an image focus position, and focus control is performed on the photographing terminal.
  • the processing unit 403 is configured to acquire fingerprint information of the pressing operation when detecting a pressing operation on the target button, and trigger execution if the fingerprint information of the pressing operation belongs to the first fingerprint information.
  • the focus control is performed on the photographing terminal by using the target image area as an image focus position.
  • the processing unit 403 is specifically configured to return to the home screen interface if the pressure value of the pressing operation belongs to the second level; or return to the main message if the fingerprint information of the pressing operation belongs to the second fingerprint information. Screen interface.
  • the possibility of successful focus can be improved.
  • FIG. 5 is a schematic block diagram of a terminal according to another embodiment of the present invention.
  • the terminal in this embodiment as shown may include one or more processors 501; one or more input devices 502, one or more output devices 503, and a memory 504.
  • the above-described processor 501, input device 502, output device 503, and memory 504 are connected by a bus 506.
  • the memory 502 is used to store a computer program, the computer program including program instructions, and the processor 501 is configured to execute program instructions stored in the memory 502. among them,
  • the processor 501 is configured to invoke the program instructions to execute:
  • the so-called processor 501 may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (Application Specific Integrated Circuit, ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the input device 502 may include a touchpad, a fingerprint sensor (for collecting fingerprint information of the user and direction information of the fingerprint), a microphone, and the like
  • the output device 503 may include a display (LCD or the like), a speaker, and the like.
  • the memory 504 can include read only memory and random access memory and provides instructions and data to the processor 501.
  • a portion of the memory 504 can also include a non-volatile random access memory.
  • the memory 504 can also store information of the device type.
  • the described processor 501, the input device 502, and the output device 503 may perform the implementations described in the first embodiment and the second embodiment of the shooting focus method provided by the embodiments of the present invention.
  • the implementation manners of the terminal described in this embodiment of the present invention are not described herein.
  • a computer readable storage medium storing a computer program, the computer program comprising program instructions, when executed by a processor, implementing an embodiment of the present invention
  • the computer readable storage medium may be an internal storage unit of the terminal described in any of the foregoing embodiments, such as a hard disk or a memory of the terminal.
  • the computer readable storage medium may also be an external storage device of the terminal, such as a plug-in hard disk equipped on the terminal, a smart memory card (SMC), and a Secure Digital (SD) card. , Flash Card, etc.
  • the computer readable storage medium may also include both an internal storage unit of the terminal and an external storage device.
  • the computer readable storage medium is for storing the computer program and other programs and data required by the terminal.
  • the computer readable storage medium can also be used for temporary storage Data that has been output or will be output.
  • the functions described herein can be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.
  • the processor 501 is configured to invoke a program instruction stored in the memory 504, for processing, when receiving a focus instruction on a shooting interface displayed by the photographing terminal, determining a target image area indicated by the focus instruction; a focus function based on a target button is turned on in the photographing terminal, and a pressing operation on a target button of the photographing terminal is detected; when a pressing operation on the target button is detected, the target image area is an image in-focus position , performing focus control on the shooting terminal; displaying an image captured after the focus control is performed on the shooting interface.
  • the processor 501 is configured to receive a touch screen click operation when determining a target image area indicated by the focus instruction, and detect that the touch screen click operation corresponds to the shooting interface. a location; determining a target image region on the capture interface based on a location corresponding to the touchscreen operation.
  • the processor 501 is configured to process displaying a focus function selection button on the photographing interface, where the focus function selection button comprises: a focus function selection button based on a pressing operation; When the selection operation of the function selection button is performed, the detection of the pressing operation on the target button of the photographing terminal is triggered.
  • the processor 501 is configured to process the target image area as an image focus position to generate an focus frame; and if an adjustment operation on the focus frame is received, according to the adjustment The operation regenerates and displays the in-focus frame, the adjustment operation including: a moving operation for moving the in-focus frame and/or an adjustment operation for adjusting the size of the in-focus frame.
  • the processor 501 is configured to process, when detecting a pressing operation on the target button, acquire a pressure value of the pressing operation; if the pressure value of the pressing operation belongs to the first level, triggering Performing focus control on the photographing terminal by performing the target image area as an image focus position.
  • the processor 501 is configured to process, when detecting a pressing operation on a target button, acquiring fingerprint information of the pressing operation; if the fingerprint information of the pressing operation belongs to the first fingerprint information, Triggering the execution of the target image area as an image focus position, and performing focus control on the photographing terminal.
  • the processor 501 is configured to: if the pressure value of the pressing operation belongs to the second level, return to the home screen interface; or, if the fingerprint information of the pressing operation belongs to the second fingerprint information, Then return to the main screen interface.
  • processor 501 for a specific implementation of the processor 501 in the embodiment of the present invention, reference may be made to the description of the related content in the foregoing method embodiments, and details are not described herein.
  • the possibility of successful focus can be improved.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Abstract

La présente invention concerne un procédé et un dispositif de mise au point photographique. Le procédé consiste à : déterminer, lorsqu'une instruction de mise au point est reçue sur une interface de photographie affichée sur un terminal de photographie, une zone d'image cible indiquée par l'instruction de mise au point ; si une fonction de mise au point basée sur un bouton cible est activée dans le terminal de photographie, détecter une opération de pression sur le bouton cible du terminal de photographie ; lorsque l'opération de pression est détectée sur le bouton cible, la zone d'image cible servant de position de mise au point d'image, commander la mise au point du terminal de photographie ; et afficher une image photographiée, sur l'interface de photographie, lorsque la mise au point est commandée. La solution selon l'invention augmente la probabilité d'une mise au point réussie.
PCT/CN2017/105578 2017-10-10 2017-10-10 Procédé et dispositif de mise au point photographique Ceased WO2019071440A1 (fr)

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PCT/CN2017/105578 WO2019071440A1 (fr) 2017-10-10 2017-10-10 Procédé et dispositif de mise au point photographique
CN201780095800.8A CN111201768B (zh) 2017-10-10 2017-10-10 一种拍摄对焦方法、装置

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PCT/CN2017/105578 WO2019071440A1 (fr) 2017-10-10 2017-10-10 Procédé et dispositif de mise au point photographique

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CN113796063A (zh) * 2020-07-20 2021-12-14 深圳市大疆创新科技有限公司 拍摄系统及其控制方法和装置、计算机存储介质

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CN113645404A (zh) * 2021-07-29 2021-11-12 深圳市芯成像科技有限公司 一种自动对焦方法、系统、智能设备、计算机设备及计算机可读存储介质

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