WO2021051995A1 - 拍照方法及终端 - Google Patents

拍照方法及终端 Download PDF

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Publication number
WO2021051995A1
WO2021051995A1 PCT/CN2020/103322 CN2020103322W WO2021051995A1 WO 2021051995 A1 WO2021051995 A1 WO 2021051995A1 CN 2020103322 W CN2020103322 W CN 2020103322W WO 2021051995 A1 WO2021051995 A1 WO 2021051995A1
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WO
WIPO (PCT)
Prior art keywords
image area
target image
preview interface
photographing
target
Prior art date
Application number
PCT/CN2020/103322
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English (en)
French (fr)
Inventor
张前前
Original Assignee
维沃移动通信有限公司
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Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2021051995A1 publication Critical patent/WO2021051995A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/62Control of parameters via user interfaces
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a photographing method and terminal.
  • Mobile phone users use mobile phones to take photos from low pixels to high pixels, from the original button type to the touch screen to the current full-screen mode, from single camera to multi-camera, from front camera to selfie, mobile phone photography is almost integrated All aspects of the user.
  • the photographing method in the related art requires the user to manually adjust the magnification and manual correction, which is inconvenient or smart to use in many scenes.
  • the embodiments of the present disclosure provide a photographing method and a terminal to solve the problem that in the photographing method of the related art, only the user can manually adjust the focal length and manually correct it, which causes the cumbersome photographing process.
  • an embodiment of the present disclosure provides a photographing method, including:
  • An image corresponding to the target image area is generated.
  • an embodiment of the present disclosure provides a terminal, including:
  • Preview display module used to display the preview interface
  • the first receiving module is configured to receive a user's first input to the target image area when the target image area is identified in the preview interface;
  • the adjustment module is configured to adjust photographing parameters according to the target image area in response to the first input, so that the boundary of the target image area overlaps with the edge of the preview interface, and the photographing parameters include focal length and/or Lens angle
  • the image generation module is used to generate an image corresponding to the target image area.
  • the embodiments of the present disclosure provide a computer program that includes a memory, a processor, and a computer program stored on the memory and capable of running on the processor; when the processor executes the program, the foregoing The described photographing method.
  • the embodiments of the present disclosure provide a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps in the aforementioned photographing method are implemented.
  • the embodiment of the present disclosure can automatically adjust the focal length and/or the lens angle according to the first input of the user to the target image area when the target image area is identified in the preview interface, so that the boundary of the target image area and the preview interface Edge overlap, that is, in the embodiments of the present disclosure, the user does not need to manually adjust the focus repeatedly, nor does it require manual correction in the later stage.
  • the image of the target image area that needs to be shot can be automatically enlarged to the size of the entire preview interface and corrected. Directly shoot to obtain the corrected photographic image of the entire preview interface size, which solves the problem that the user can only manually adjust the focal length and manual correction in the photographing method of the related technology, which causes the cumbersome photographing process.
  • Figure 1 shows a flowchart of a photographing method according to an embodiment of the present disclosure
  • FIG. 2 shows one of the schematic diagrams of displaying preset graphics in an embodiment of the present disclosure
  • FIG. 3 shows the second schematic diagram of displaying preset graphics in an embodiment of the present disclosure
  • FIG. 4 shows a schematic diagram of the display when the boundary of the target image area overlaps the edge of the preview interface in the embodiment of the present disclosure
  • FIG. 5 shows a schematic diagram of a terminal of an embodiment of the present disclosure
  • FIG. 6 shows a schematic diagram of the hardware structure of a terminal according to an embodiment of the present disclosure.
  • the embodiment of the present disclosure provides a photographing method. As shown in FIG. 1, the method specifically includes the following steps:
  • Step 101 Display the preview interface.
  • the target image area is the display area of the image of the target object in the camera preview interface within the field of view of the camera, and the embodiment of the present disclosure can also automatically identify at least one target image area in the camera preview interface.
  • Step 102 If a target image area is identified in the preview interface, receive a user's first input of the target image area.
  • the first input is used to trigger automatic adjustment of the camera focal length and/or lens angle. Therefore, after the user performs the first input on the terminal, the execution of step 103 is triggered.
  • Step 103 In response to the first input, adjust photographing parameters according to the target image area, so that the boundary of the target image area overlaps the edge of the preview interface.
  • the photographing parameters include focal length and/or lens angle.
  • the embodiment of the present disclosure does not require the user to manually adjust the focus repeatedly, nor If you need to manually correct later, you can automatically enlarge the image of the target image area that needs to be shot to the size of the entire preview interface and correct it.
  • the optical axis of the camera of the terminal is perpendicular to the photographing plane of the subject in the target image area, and the target image area is enlarged relative to the focal length before being adjusted.
  • Step 104 Generate an image corresponding to the target image area.
  • the embodiments of the present disclosure can automatically adjust the focal length and/or the lens angle according to the first input of the user to the target image area when the target image area is identified in the preview interface, so that the boundary of the target image area Overlap with the edge of the preview interface, that is, in the embodiments of the present disclosure, the user does not need to manually adjust the focus repeatedly, nor does it require manual correction in the later stage.
  • the image of the target image area that needs to be shot can be automatically enlarged to the size of the entire preview interface. Correction can directly capture the entire preview interface size and corrected photographic image, which solves the problem that the user can only manually adjust the focal length and manually correct the photograph in the photographing method of the related technology, which causes the cumbersome photographing process.
  • step 104 includes:
  • an image corresponding to the target image area is generated.
  • the second input is used to trigger the execution of a photographing operation, that is, the second input is a photographing operation, such as clicking the photographing button on the display screen, or inputting a photographing instruction by voice, or pressing a preset physical button on the terminal Or preset a combination of physical keys. Therefore, after the user performs the second input on the terminal, an image when the boundary of the target image area overlaps with the edge of the preset interface can be generated.
  • the photographing parameter includes a focal length.
  • the camera focus is automatically adjusted so that the size of the target image area is adjusted to the size of the preview interface, that is, the target image area is enlarged to the size of the entire preview interface.
  • the size of the target image area is equal to the size of the entire preview interface, there is no need to adjust.
  • the photographing parameter includes a lens angle
  • the target plane is the shooting plane of the shooting object corresponding to the target image area.
  • the absolute value of the difference between the angle between the optical axis of the camera of the terminal and the shooting plane of the subject corresponding to the target image area and the 90 degree angle is greater than the preset threshold, which means that the camera is not directly facing the subject, so that the subject is in the
  • the image in the photo preview interface (that is, the image in the target image area) is distorted with respect to the object being photographed.
  • the subject is a rectangular projection screen, and the camera is not directly facing the projection screen, so that the image of the projection screen in the photo preview interface is not a regular rectangle, but a deformed quadrilateral. At this time, you can adjust the lens angle so that the camera can face the subject, so as to correct the target image area of the captured image in the preview interface.
  • the method includes:
  • the target area is identified.
  • the terminal recognizes the image area of each subject in the preview interface through the color and brightness of the object in the preview interface, thereby facilitating subsequent shooting.
  • the target area is identified:
  • At least one preset graph is displayed on the preview interface, and one preset graph surrounds one target image area.
  • the preview interface may include one target image area or multiple target image areas.
  • the display of the preset graphic is shown as the dashed line in Figure 2; when the preview interface includes two target image areas, the display of the preset graphic is shown by the dashed line in Figure 3.
  • the figure shows.
  • the display of the preset graphics allows the user to clearly understand which areas of the image can be automatically adjusted for the focus and/or lens angle, so as to facilitate the user's shooting.
  • the receiving a user's first input to the target image area includes:
  • the terminal adjusts the focus and/or lens angle for which target image area image, so that the edge of the target image area overlaps the edge of the preview interface ,
  • the target image area is enlarged to the size of the entire preview interface and corrected.
  • the user can manually select which object within the field of view of the camera needs to be shot, which meets the shooting needs of different users. For example, as shown in Figure 3, if the first input is an input in a dashed rectangular box enclosing a five-pointed star, after adjusting the focal length and/or lens angle, the interface shown in Figure 4 is displayed on the display screen, and then shooting can be performed Obtain the photographed image shown in this interface.
  • the photographing mode of the terminal includes a screenshot photographing mode
  • the identifying the target image area according to the color and/or brightness of the object in the preview interface includes:
  • the target image area is identified according to the color and/or brightness of the object in the preview interface.
  • a screenshot photographing mode is added to the related photographing mode.
  • the terminal After the terminal enters the screenshot photographing mode, the terminal will further recognize the color and/or brightness of the object in the preview interface.
  • the target image area and then, receiving a user's first input to the target image area; in response to the first input, in response to the first input, adjusting the camera focal length and/or lens angle according to the target image area, So that the boundary of the target image area overlaps the edge of the preview interface, and then an image corresponding to the target image area is generated.
  • the embodiment of the present disclosure can also take pictures according to the above method after the terminal enters the screenshot taking mode, so as to avoid the need for the user to take pictures of the side angle of the subject, but automatically correct them and need to take pictures.
  • a magnified image is taken, that is, to avoid misprocessing other shooting scenes.
  • the method further includes:
  • the camera focal length and/or lens angle used in the screenshot photo mode will be recorded, so that it can be directly called when the same object is photographed later, without adjusting again, thus speeding up the photo process. .
  • the user needs to take pictures of the projected content.
  • the magnification must be re-adjusted, and the magnification has no memory function, resulting in inconsistent photos taken.
  • the camera focal length and/or lens angle used this time will be recorded, so that the recorded focal length and/or lens angle can be directly called for the above situation, which further simplifies The photographing process reminds the user of the photographing experience.
  • the method further includes:
  • a target file is generated.
  • the target file such as a pdf file or a PPT file
  • the target file can be directly generated.
  • the embodiments of the present disclosure eliminate the need for the user to manually adjust the photographing distance and lens magnification during the photographing process, and also eliminate the need for subsequent correction of the image, which improves the efficiency and user experience of photographing specific patterns and pictures.
  • the embodiment of the present disclosure also provides a terminal. As shown in FIG. 5, the terminal includes:
  • the preview display module 501 is used to display a preview interface
  • the first receiving module 502 is configured to receive a user's first input to the target image area when the target image area is identified in the preview interface;
  • the adjustment module 503 is configured to adjust photographing parameters according to the target image area in response to the first input, so that the boundary of the target image area overlaps the edge of the preview interface, and the photographing parameters include focal length and/ Or lens angle;
  • the image generation module 504 is configured to generate an image corresponding to the target image area.
  • the photographing parameter includes a focal length.
  • the photographing parameter includes a lens angle
  • the target plane is the shooting plane of the shooting object corresponding to the target image area.
  • the terminal further includes:
  • An area recognition module configured to recognize the target image area according to the color and/or brightness of the object in the preview interface
  • the identification module is used to identify the target area in the preview interface.
  • the terminal further includes:
  • the file generating module is used to generate a target file according to at least two images corresponding to the target image area.
  • the terminal of the embodiment of the present disclosure can automatically adjust the focal length and/or lens angle according to the first input of the user to the target image area when the target image area is identified in the preview interface, so that the target image area The border overlaps the edge of the preview interface, that is, in the embodiments of the present disclosure, the user does not need to manually adjust the focus repeatedly, nor does it require manual correction in the later stage.
  • the image of the target image area that needs to be shot can be automatically enlarged to the size of the entire preview interface. Correction can be used to directly capture the entire preview interface size and corrected photographic image, which solves the problem that the user can only manually adjust the focal length and correct manually in the photographing method of the related technology, which causes the cumbersome photographing process.
  • the embodiment of the present disclosure also provides a terminal.
  • the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, User input unit 607, interface unit 608, memory 609, processor 610, power supply 611 and other components.
  • the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components.
  • the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
  • the display unit 606 is used to display a preview interface
  • the user input unit 607 is configured to receive a user's first input of the target image area when the target image area is identified in the preview interface;
  • the processor 610 is configured to adjust photographing parameters according to the target image area in response to the first input so that the boundary of the target image area overlaps the edge of the preview interface, and the photographing parameters include focal length and/or Lens angle; generating an image corresponding to the target image area.
  • the terminal 600 of the embodiment of the present disclosure can automatically adjust the focal length and/or the lens angle according to the first input of the user to the target image area when the target image area is identified in the preview interface, so that the boundary of the target image area Overlap with the edge of the preview interface, that is, in the embodiments of the present disclosure, the user does not need to manually adjust the focus repeatedly, nor does it require manual correction in the later stage.
  • the image of the target image area that needs to be shot can be automatically enlarged to the size of the entire preview interface. Correction can directly capture the entire preview interface size and corrected photographic image, which solves the problem that the user can only manually adjust the focal length and manually correct the photograph in the photographing method of the related technology, which causes the cumbersome photographing process.
  • the radio frequency unit 601 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 610; Uplink data is sent to the base station.
  • the radio frequency unit 601 includes but is not limited to at least two antennas, at least one amplifier, transceiver, coupler, low noise amplifier, duplexer, and so on.
  • the radio frequency unit 601 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 602, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 603 can convert the audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into audio signals and output them as sounds. Moreover, the audio output unit 603 may also provide audio output related to a specific function performed by the terminal 600 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 604 is used to receive audio or video signals.
  • the input unit 604 may include a graphics processing unit (GPU) 6041 and a microphone 6042, and the graphics processor 6041 is used to capture images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the data is processed.
  • the processed image frame may be displayed on the display unit 606.
  • the image frames processed by the graphics processor 6041 can be stored in the memory 609 (or other storage medium) or sent via the radio frequency unit 601 or the network module 602.
  • the microphone 6042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 601 for output in the case of a telephone call mode.
  • the terminal 600 also includes at least one sensor 605, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 6061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 6061 and/or when the terminal 600 is moved to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify terminal gestures (such as horizontal and vertical screen switching, related games, Magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; sensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 606 is used to display information input by the user or information provided to the user.
  • the display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 607 may be used to receive inputted number or character information, and generate key signal input related to user settings and function control of the terminal.
  • the user input unit 607 includes a touch panel 6071 and other input devices 6072.
  • the touch panel 6071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 6071 or near the touch panel 6071. operating).
  • the touch panel 6071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 610, the command sent by the processor 610 is received and executed.
  • the touch panel 6071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 607 may also include other input devices 6072.
  • other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 6071 can cover the display panel 6061.
  • the touch panel 6071 detects a touch operation on or near it, it is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 6061.
  • the touch panel 6071 and the display panel 6061 are used as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 6071 and the display panel 6061 can be integrated. Realize the input and output functions of the terminal, the specifics are not limited here.
  • the interface unit 608 is an interface for connecting an external device with the terminal 600.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 608 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 600 or can be used to communicate between the terminal 600 and the external device. Transfer data between.
  • the memory 609 can be used to store software programs and various data.
  • the memory 609 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 609 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 610 is the control center of the terminal. It uses various interfaces and lines to connect various parts of the entire terminal. It executes by running or executing software programs and/or modules stored in the memory 609, and calling data stored in the memory 609. Various functions of the terminal and processing data, so as to monitor the terminal as a whole.
  • the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., and the modem
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 610.
  • the terminal 600 may also include a power supply 611 (such as a battery) for supplying power to various components.
  • a power supply 611 such as a battery
  • the power supply 611 may be logically connected to the processor 610 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the terminal 600 includes some functional modules not shown, which will not be repeated here.
  • the embodiments of the present disclosure also provide a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, each process of the above embodiment of the photographing method is realized, and the same technical effect can be achieved. To avoid repetition, I won’t repeat it here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk, etc.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present disclosure.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

Abstract

本公开提供了一种拍照方法及终端,该方法包括:显示预览界面;在预览界面中标识有目标图像区域的情况下,接收用户对目标图像区域的第一输入;响应于第一输入,根据目标图像区域调整拍照参数,以使目标图像区域的边界与预览界面的边缘重叠,拍照参数包括焦距和/或镜头角度;生成与目标图像区域对应的图像。

Description

拍照方法及终端
相关申请的交叉引用
本申请主张在2019年9月17日在中国提交的中国专利申请号No.201910875818.0的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其涉及一种拍照方法及终端。
背景技术
手机用户在使用手机拍照是从最开始的低像素到高像素,从原始的按键式到触摸屏以至于目前的全面屏模式,从单摄像头到多摄像头,从正面拍照到自拍,手机拍照几乎融入了用户的各个方面。
随着手机拍照功能的逐渐强大,使用的场景越来越丰富,拍照越来越便捷,拍照像素越来越高。其中,在拍照场景下,大部分功能主要集中在了手机相机的外观、美颜、光线、焦距、广角等方面的改进和优化上。
然而,手机在如下几种场景下拍照时,往往存在一些弊端。例如,在对距离较远的对象拍照时,打开相机后需要手动多次去调整拍照的距离或者镜头放大的倍数才能拍摄清晰。
由上述可知,手机拍照目前虽然可以实现手指滑动放大(拉伸距离)拍照画面,使距离较远的画面拍的更加清晰,但是都需要手动调整放大的倍数。而且,某些场景下镜头未对准被拍摄对象,使得拍摄照片之后进一步矫正。
由此可知,相关技术中的拍照方法需要用户手动调整放大倍数以及手动矫正,在很多场景下面使用都不方便也不智能。
发明内容
本公开的实施例提供了一种拍照方法及终端,以解决相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,导致拍照过程繁琐的问题。
第一方面,本公开的实施例提供了一种拍照方法,包括:
显示预览界面;
在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入;
响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;
生成与所述目标图像区域对应的图像。
第二方面,本公开的实施例提供了一种终端,包括:
预览显示模块,用于显示预览界面;
第一接收模块,用于在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入;
调整模块,用于响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;
图像生成模块,用于生成与所述目标图像区域对应的图像。
第三方面,本公开的实施例提供了一种,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序;所述处理器执行所述程序时实现上述所述的拍照方法。
第四方面,本公开的实施例提供了一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现上述所述的拍照方法中的步骤。
本公开实施例的有益效果是:
本公开的实施例,能够在预览界面中标识有目标图像区域的情况下,根据用户对该目标图像区域的第一输入,自动调整焦距和/或镜头角度,使得目标图像区域边界与预览界面的边缘重叠,即本公开的实施例,不需要用户手动反复调整焦距,也不需要后期手动矫正,就可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正,进而可以直接拍摄获得整个预览界面大小且矫正后的拍照图像,解决了相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,导致拍照过程繁琐的问题。
附图说明
图1表示本公开实施例的拍照方法的流程图;
图2表示本公开实施例中预设图形的显示示意图之一;
图3表示本公开实施例中预设图形的显示示意图之二;
图4表示本公开实施例中目标图像区域的边界与预览界面的边缘重叠时的显示示意图;
图5表示本公开实施例的终端的模块示意图;
图6表示本公开实施例的终端的硬件结构示意图。
具体实施方式
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
本公开的实施例提供了一种拍照方法,如图1所示,该方法具体包括以下步骤:
步骤101:显示预览界面。
其中,终端进入拍照模式后,会在预览界面中显示摄像头视野范围内的图像。目标图像区域为摄像头视野范围内的目标对象在拍照预览界面中的图像的显示区域,而本公开的实施例,还能够自动识别拍照预览界面中的至少一个目标图像区域。
步骤102:在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入。
所述第一输入用于触发进行拍照焦距和/或镜头角度的自动调节。因此,当用户在终端上进行所述第一输入后,则触发执行步骤103。
步骤103:响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠。
其中,所述拍照参数包括焦距和/或镜头角度。
另外,经过步骤103对拍照参数(即焦距和/或镜头角度)进行调整后,目标图像区域的边界与预览界面的边缘重叠,因而本公开的实施例,不需要用户手动反复调整焦距,也不需要后期手动矫正,就可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正。
此外,当目标图像区域的边界与显示屏幕的边缘重叠时,终端的摄像头的光轴垂直于目标图像区域内的被拍摄对象的拍照平面,且相对于焦距被调整之前目标图像区域被放大。
步骤104:生成与所述目标图像区域对应的图像。
由上述可知,本公开的实施例,能够在预览界面中标识有目标图像区域的情况下,根据用户对该目标图像区域的第一输入,自动调整焦距和/或镜头角度,使得目标图像区域边界与预览界面的边缘重叠,即本公开的实施例,不需要用户手动反复调整焦距,也不需要后期手动矫正,就可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正,进而可以直接拍摄获得整个预览界面大小且矫正后的拍照图像,解决了相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,导致拍照过程繁琐的问题。
可选地,步骤104包括:
接收第二输入;
根据所述第二输入,生成与所述目标图像区域对应的图像。
其中,所述第二输入用于触发执行拍照操作,即所述第二输入即为拍照操作,例如点击显示屏幕上的拍照按钮,或者语音输入拍照指令,或者按下终端上的预设物理按键或者预设组合物理按键。因此,当用户在终端上进行所述第二输入后,则可以生成所述目标图像区域的边界与所述预设界面的边缘重叠时的图像。
可选地,在所述目标图像区域的尺寸小于所述预览界面的尺寸的情况下,所述拍照参数包括焦距。
即在目标图像区域的尺寸小于显示屏幕的尺寸的情况下,自动调整拍照焦距,以使得目标图像区域的尺寸调整为预览界面的尺寸,即将目标图像区域放大到整个预览界面大小。而在目标图像区域的尺寸等于整个预览界面的尺寸时,则无需调整。
可选地,在摄像头的光轴与目标平面的夹角与90度角之差的绝对值大于预设阈值的情况下,所述拍照参数包括镜头角度;
其中,所述目标平面为所述目标图像区域对应的拍摄对象的拍摄平面。
其中,终端的摄像头的光轴与目标图像区域对应的拍摄对象的拍摄平面的夹角与90度角之差的绝对值大于预设阈值,表示摄像头未正对被拍摄对象,使得被拍摄对象在拍照预览界面中的图像(即目标图像区域内的图像)相对于被拍摄对象产生了畸变。例如被拍摄对象为矩形的投影屏幕,而摄像头未正对投影屏幕,使得在拍照预览界面中投影屏幕的图像不是规则的矩形,而是畸形变化的四边形。此时,可以通过调整镜头角度,使得摄像头可以正对被拍摄对象,从而对被拍摄图像在预览界面中的目标图像区域进行矫正。
可选地,所述在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入之前,包括:
根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域;
在所述预览界面中,对所述目标区域进行标识。
即终端通过对预览界面中的对象的颜色和亮度,识别预览界面中各个被拍摄对象的图像区域,进而便于后续的拍摄。
可选地,所述在所述预览界面中,对所述目标区域进行标识:
在所述预览界面显示至少一个预设图形,一个所述预设图形围设一个所述目标图像区域。
其中,预览界面中可以包括一个目标图像区域,或者多个目标图像区域。具体地,当预览界面中包括一个目标图像区域时,预设图形的显示如图2中虚线图形所示;当预览界面中包括两个目标图像区域时,预设图形的显示如图3中虚线图形所示。另外,预设图形的显示,使得用户可以清楚的了解到可以针对哪些区域的图像自动调整焦距和/或镜头角度,以便于用户的拍摄。
另外,对比图3和图4可知,本公开的实施例,可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正,进而可以直接拍摄获得整个预览界面大小且矫正后的拍照图像,解决了相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,正导致拍照过程繁琐的问题。
可选地,在所述预览界面中标识有至少两个目标图像区域的情况下,所 述接收用户对所述目标图像区域的第一输入,包括:
接收用户对所述至少两个目标图像区域中的其中一个目标图像区域的第一输入。
即用户在预览界面中的哪一个目标图像区域内实施第一输入,则终端针对哪一个目标图像区域的图像调整焦距和/或镜头角度,以使得该目标图像区域的边缘与预览界面的边缘重叠,即将目标图像区域放大到整个预览界面的大小,并进行矫正。
由此可知,用户可以手动选择需要拍摄摄像头视野范围内的哪一个对象的图像,满足了不同用户的拍摄需求。例如图3所示,若第一输入为围设五角星的虚线矩形框中的输入时,则调整焦距和/或镜头角度后,在显示屏幕上显示如图4所示的界面,进而可以拍摄获得该界面所示的拍照图像。
可选地,终端的拍照模式包括截图拍照模式,所述根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域,包括:
检测到所述终端进入所述截图拍照模式的情况下,根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域。
即本公开的实施例,在相关的拍照模式中增加一个截图拍照模式,则在终端进入到截图拍照模式后,才会进一步根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域,然后,接收用户对所述目标图像区域的第一输入;响应于所述第一输入,响应于所述第一输入,根据所述目标图像区域调整拍照焦距和/或镜头角度,以使所述目标图像区域的边界与所述预览界面的边缘重叠,进而生成与所述目标图像区域对应的图像。
由此可知,本公开的实施例,还可在终端进入截图拍照模式后,才按照上述方法进行拍照,从而避免用户需要拍摄被拍摄对象侧面角度的图像时,却对其进行自动矫正,以及需要拍摄远距离图像时却拍摄了放大图像,即避免对其他拍摄场景造成误处理。
可选地,所述生成与所述目标图像区域对应的图像之后,还包括:
检测到退出所述截图拍照模式的情况下,记录所述目标图像区域对应的目标焦距和目标镜头角度,并在下一次进入所述截图拍照模式时,调整焦距为所述目标焦距和/或调整镜头角度为所述目标镜头角度。
即在每一次退出截图拍照模式后,会记录本次在截图拍照模式中所使用的拍照焦距和/或镜头角度,以便于后续拍照同一对象时可直接调用,无需再次调整,从而加快了拍照过程。
具体地,例如在观看投影屏幕的过程中,用户需要将投影内容拍下来,其中,如果用户中途关闭拍照再打开则需要重新调整放大的倍数,放大倍数没有记忆功能,导致拍下的照片不统一,虽然有文档矫正的功能,但是拍完照再一张一张去矫正比较繁琐。而本公开的实施例,在每一次退出截图拍照模式后,会记录本次所使用的拍照焦距和/或镜头角度,从而可以针对上述情形直接调用记录的焦距和/或镜头角度,进一步简化了拍照过程,提示了用户的拍照体验。
可选地,所述生成与所述目标图像区域对应的图像之后,还包括:
根据至少两个与所述目标图像区域对应的图像,生成目标文件。
其中,在采用上述拍照方法获得至少两个与所述目标图像区域对应的图像,可以直接生成目标文件,例如pdf文件或者PPT文件等。进一步地,还可根据拍摄获得的同一目标图像区域的至少两个拍照图像,生成目标文件,即属于同一个拍摄对象的拍照图像,可以直接生成目标文件,而无需后续的矫正处理。
综上所述,本公开的实施例,使得用户在拍照过程中无需手动调整拍照距离和镜头放大倍数,也无需后续对图像进行矫正,提高了拍摄特定图案和画面的效率和用户体验。
本公开的实施例还提供了一种终端,如图5所示,该终端包括:
预览显示模块501,用于显示预览界面;
第一接收模块502,用于在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入;
调整模块503,用于响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;
图像生成模块504,用于生成与所述目标图像区域对应的图像。
可选地,在所述目标图像区域的尺寸小于所述预览界面的尺寸的情况下, 所述拍照参数包括焦距。
可选地,在摄像头的光轴与目标平面的夹角与90度角之差的绝对值大于预设阈值的情况下,所述拍照参数包括镜头角度;
其中,所述目标平面为所述目标图像区域对应的拍摄对象的拍摄平面。
可选地,所述终端还包括:
区域识别模块,用于根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域;
标识模块,用于在所述预览界面中,对所述目标区域进行标识。
可选地,所述终端还包括:
文件生成模块,用于根据至少两个与所述目标图像区域对应的图像,生成目标文件。
由上述可知,本公开实施例的终端,能够在预览界面中标识有目标图像区域的情况下,根据用户对该目标图像区域的第一输入,自动调整焦距和/或镜头角度,使得目标图像区域边界与预览界面的边缘重叠,即本公开的实施例,不需要用户手动反复调整焦距,也不需要后期手动矫正,就可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正,进而可以直接拍摄获得整个预览界面大小且矫正后的拍照图像,解决了相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,导致拍照过程繁琐的问题。
本公开的实施例还提供了一种终端,如图6所示,该终端600包括但不限于:射频单元601、网络模块602、音频输出单元603、输入单元604、传感器605、显示单元606、用户输入单元607、接口单元608、存储器609、处理器610、以及电源611等部件。本领域技术人员可以理解,图6中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置。在本公开实施例中,终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
其中,显示单元606用于显示预览界面;
用户输入单元607,用于在所述预览界面中标识有目标图像区域的情况 下,接收用户对所述目标图像区域的第一输入;
处理器610用于响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;生成与所述目标图像区域对应的图像。
因此,本公开实施例的终端600,能够在预览界面中标识有目标图像区域的情况下,根据用户对该目标图像区域的第一输入,自动调整焦距和/或镜头角度,使得目标图像区域边界与预览界面的边缘重叠,即本公开的实施例,不需要用户手动反复调整焦距,也不需要后期手动矫正,就可以将需要拍摄的目标图像区域的图像自动放大到整个预览界面的大小并进行矫正,进而可以直接拍摄获得整个预览界面大小且矫正后的拍照图像,解决了相关技术的拍照方法中只能用户手动调整焦距以及手动矫正,导致拍照过程繁琐的问题。
应理解的是,本公开实施例中,射频单元601可用于收发信息或通话过程中,信号的接收和发送,具体的,将来自基站的下行数据接收后,给处理器610处理;另外,将上行的数据发送给基站。通常,射频单元601包括但不限于至少两个天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外,射频单元601还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块602为用户提供了无线的宽带互联网访问,如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元603可以将射频单元601或网络模块602接收的或者在存储器609中存储的音频数据转换成音频信号并且输出为声音。而且,音频输出单元603还可以提供与终端600执行的特定功能相关的音频输出(例如,呼叫信号接收声音、消息接收声音等等)。音频输出单元603包括扬声器、蜂鸣器以及受话器等。
输入单元604用于接收音频或视频信号。输入单元604可以包括图形处理器(Graphics Processing Unit,GPU)6041和麦克风6042,图形处理器6041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元606上。经图形处理器6041处理后的图像帧可以存储在存储器609(或其它存储 介质)中或者经由射频单元601或网络模块602进行发送。麦克风6042可以接收声音,并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元601发送到移动通信基站的格式输出。
终端600还包括至少一种传感器605,比如光传感器、运动传感器以及其他传感器。具体地,光传感器包括环境光传感器及接近传感器,其中,环境光传感器可根据环境光线的明暗来调节显示面板6061的亮度,接近传感器可在终端600移动到耳边时,关闭显示面板6061和/或背光。作为运动传感器的一种,加速计传感器可检测各个方向上(一般为三轴)加速度的大小,静止时可检测出重力的大小及方向,可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等;传感器605还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等,在此不再赘述。
显示单元606用于显示由用户输入的信息或提供给用户的信息。显示单元606可包括显示面板6061,可以采用液晶显示器(Liquid Crystal Display,LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板6061。
用户输入单元607可用于接收输入的数字或字符信息,以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地,用户输入单元607包括触控面板6071以及其他输入设备6072。触控面板6071,也称为触摸屏,可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板6071上或在触控面板6071附近的操作)。触控面板6071可包括触摸检测装置和触摸控制器两个部分。其中,触摸检测装置检测用户的触摸方位,并检测触摸操作带来的信号,将信号传送给触摸控制器;触摸控制器从触摸检测装置上接收触摸信息,并将它转换成触点坐标,再送给处理器610,接收处理器610发来的命令并加以执行。此外,可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板6071。除了触控面板6071,用户输入单元607还可以包括其他输入设备6072。具体地,其他输入设备6072可以包括但不限于物理键盘、功能键(比如音量控制按键、 开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。
进一步的,触控面板6071可覆盖在显示面板6061上,当触控面板6071检测到在其上或附近的触摸操作后,传送给处理器610以确定触摸事件的类型,随后处理器610根据触摸事件的类型在显示面板6061上提供相应的视觉输出。虽然在图6中,触控面板6071与显示面板6061是作为两个独立的部件来实现终端的输入和输出功能,但是在某些实施例中,可以将触控面板6071与显示面板6061集成而实现终端的输入和输出功能,具体此处不做限定。
接口单元608为外部装置与终端600连接的接口。例如,外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元608可以用于接收来自外部装置的输入(例如,数据信息、电力等等)并且将接收到的输入传输到终端600内的一个或多个元件或者可以用于在终端600和外部装置之间传输数据。
存储器609可用于存储软件程序以及各种数据。存储器609可主要包括存储程序区和存储数据区,其中,存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等;存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外,存储器609可以包括高速随机存取存储器,还可以包括非易失性存储器,例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器610是终端的控制中心,利用各种接口和线路连接整个终端的各个部分,通过运行或执行存储在存储器609内的软件程序和/或模块,以及调用存储在存储器609内的数据,执行终端的各种功能和处理数据,从而对终端进行整体监控。处理器610可包括一个或多个处理单元;可选的,处理器610可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序等,调制解调处理器主要处理无线通信。可以理解的是,上述调制解调处理器也可以不集成到处理器610中。
终端600还可以包括给各个部件供电的电源611(比如电池),可选的,电源611可以通过电源管理系统与处理器610逻辑相连,从而通过电源管理 系统实现管理充电、放电、以及功耗管理等功能。
另外,终端600包括一些未示出的功能模块,在此不再赘述。
本公开实施例还提供一种计算机可读存储介质,计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现上述拍照方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。其中,所述的计算机可读存储介质,如只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,空调器,或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述,但是本公开并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本公开的启示下,在不脱离本公开宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本公开的保护之内。

Claims (12)

  1. 一种拍照方法,包括:
    显示预览界面;
    在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入;
    响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;
    生成与所述目标图像区域对应的图像。
  2. 根据权利要求1所述的拍照方法,其中,
    在所述目标图像区域的尺寸小于所述预览界面的尺寸的情况下,所述拍照参数包括焦距。
  3. 根据权利要求1所述的拍照方法,其中,
    在摄像头的光轴与目标平面的夹角与90度角之差的绝对值大于预设阈值的情况下,所述拍照参数包括镜头角度;
    其中,所述目标平面为所述目标图像区域对应的拍摄对象的拍摄平面。
  4. 根据权利要求1所述的拍照方法,其中,所述在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入之前,包括:
    根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域;
    在所述预览界面中,对所述目标区域进行标识。
  5. 根据权利要求1所述的拍照方法,其中,所述生成与所述目标图像区域对应的图像之后,还包括:
    根据至少两个与所述目标图像区域对应的图像,生成目标文件。
  6. 一种终端,包括:
    预览显示模块,用于显示预览界面;
    第一接收模块,用于在所述预览界面中标识有目标图像区域的情况下,接收用户对所述目标图像区域的第一输入;
    调整模块,用于响应于所述第一输入,根据所述目标图像区域调整拍照参数,以使所述目标图像区域的边界与所述预览界面的边缘重叠,所述拍照参数包括焦距和/或镜头角度;
    图像生成模块,用于生成与所述目标图像区域对应的图像。
  7. 根据权利要求6所述的终端,其中,
    在所述目标图像区域的尺寸小于所述预览界面的尺寸的情况下,所述拍照参数包括焦距。
  8. 根据权利要求6所述的终端,其中,在摄像头的光轴与目标平面的夹角与90度角之差的绝对值大于预设阈值的情况下,所述拍照参数包括镜头角度;
    其中,所述目标平面为所述目标图像区域对应的拍摄对象的拍摄平面。
  9. 根据权利要求6所述的终端,还包括:
    区域识别模块,用于根据所述预览界面中的对象的颜色和/或亮度,识别所述目标图像区域;
    标识模块,用于在所述预览界面中,对所述目标区域进行标识。
  10. 根据权利要求6所述的终端,还包括:
    文件生成模块,用于根据至少两个与所述目标图像区域对应的图像,生成目标文件。
  11. 一种终端,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序;其中,所述处理器执行所述程序时实现如权利要求1-5任一项所述的拍照方法。
  12. 一种计算机可读存储介质,其上存储有计算机程序,其中,该程序被处理器执行时实现如权利要求1-5任一项所述的拍照方法中的步骤。
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