WO2021219141A1 - 拍照方法、图形用户界面及电子设备 - Google Patents
拍照方法、图形用户界面及电子设备 Download PDFInfo
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- H04N23/60—Control of cameras or camera modules
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Definitions
- This application relates to the field of terminal technology, in particular to a photographing method, a graphical user interface and an electronic device.
- the purpose of this application is to provide a photographing method, a graphical user interface (GUI), and an electronic device, which can support the user to adjust the viewing angle of the photograph preview through gestures, and the user does not need to touch the screen with a finger, which is convenient for operation.
- the photographing method can also support the user to adjust the viewing angle while adjusting the viewing angle, which can simultaneously adjust the viewing angle and the viewing angle.
- the user can gradually change the size of the preview viewing angle while viewing the view, and allows the user to feel the size of the viewing angle.
- the effect of changes on the viewfinder makes it easy for users to quickly obtain the desired viewing angle and viewfinder, making the shooting process more efficient.
- the present application provides a photographing method, which is applied to an electronic device including a screen, a first camera, and a second camera, and the first camera and the screen are arranged on the same side of the electronic device.
- the method may include: the electronic device turns on the first camera and the second camera, and displays a preview interface on the screen.
- the preview interface may display the first image from the second camera.
- the electronic device may detect the first gesture by the user through the first camera, and display a second image from the second camera in the preview interface, and the viewing angle of the second image is larger than the viewing angle of the first image.
- the electronic device can save the third image from the second camera displayed in the preview interface as a picture or video.
- the first camera can be a front camera, which can be used to collect images of the user.
- the second camera can be a front camera or a rear camera.
- the second camera can be used to capture images of the scene.
- the second camera in a front camera scene, the second camera is a front camera; in a rear camera scene, the second camera is a rear camera.
- the second camera may be a camera, for example, a common camera.
- the second camera may also be multiple cameras with different optical angles of view, such as five cameras of an ultra-telephoto camera, a telephoto camera, a normal camera, a wide-angle camera, and an ultra-wide-angle camera.
- the preview images from the camera displayed in the preview interface are all cropped from the images collected by the camera.
- the electronic device can crop the image collected by the camera by a center cropping method.
- the preview image displayed in the preview interface is the image collected by the camera.
- the electronic device displays the first image from the second camera on the preview interface.
- the first image may be obtained by the electronic device through the center cropping of the image collected by the second camera.
- the center position of the first image may coincide with the center position of the image collected by the second camera.
- the first user input may be a user operation that instructs to trigger a photo or end a video recording.
- the electronic device may save the image currently displayed in the preview interface as a picture.
- the image currently displayed in the preview interface is the third image from the second camera.
- the electronic device can save the image displayed in the preview interface during the period from the start of the video recording to the end of the video recording as a video.
- the viewing angle of displaying the second image from the second camera in the preview interface may gradually become larger.
- the specific implementation may include: the electronic device successively displays M second images from the second camera in the preview interface, and the viewing angle of the M second images gradually becomes larger.
- M is a positive integer greater than or equal to 2.
- the second camera and the first camera may be the same camera, for example, a front-facing wide-angle camera or a front-facing common camera.
- the viewing angle of the third image may be as large as the viewing angle of the second image.
- the electronic device may first detect the first gesture by the user through the first camera, and then the electronic device may detect the second gesture by the user through the first camera.
- the electronic device may display a fourth image from the second camera in the preview interface, and the viewing angle of the fourth image is smaller than the viewing angle of the second image.
- the viewing angle of displaying the fourth image from the second camera in the preview interface may gradually become smaller.
- the specific implementation may include: the electronic device successively displays the N second images from the second camera in the preview interface, and the viewing angle of the N second images gradually becomes larger.
- N is a positive integer greater than or equal to 2.
- the viewing angle of the third image may be as large as the viewing angle of the first image.
- the electronic device may also only detect the user's second gesture and then detect the aforementioned first user input. At this time, the viewing angle of the third image may be smaller than the viewing angle of the first image.
- the electronic device may also detect the second gesture and the first gesture from the user successively, and then detect the aforementioned first user input.
- the angle of view of the third image may be the same as that of the first image. As big as the angle of view
- the electronic device may detect the user's first gesture and the user's second gesture multiple times.
- the detected multiple first gestures and multiple second gestures are not limited in order.
- the first gesture may be a gesture of opening the palm and pushing forward.
- the electronic device may collect the image and depth information of the user's hand through the first camera.
- the image of the hand includes an image with an open palm, and the depth information indicates that the hand is close to the first camera
- the electronic device can detect that the user indicates the first gesture.
- the first gesture includes: the user opens his palm and the user's hand is close to the first camera.
- the second gesture may be a gesture of making a fist and pulling back.
- the electronic device may collect the image and depth information of the user's hand through the first camera.
- the image of the hand includes an image of the hand making a fist
- the depth information indicates that the hand is far away from the first camera
- the electronic device detects that the user indicates the second gesture.
- the second gesture includes: the user's hand is making a fist and the user's hand is away from the first camera.
- the second camera includes H cameras with different viewing angles, and the H cameras are front cameras or rear cameras.
- the second image displayed in the preview interface may come from the H cameras with the viewing angles from small to large.
- H is a positive integer greater than or equal to 2.
- H is 2, that is, the second camera includes two cameras with different viewing angles.
- the two cameras may be the third camera and the fourth camera, respectively.
- the angle of view of the fourth camera is larger than that of the third camera.
- the first image can be from the third camera, and the second image can be from the fourth camera.
- the third camera and the fourth camera may both be front cameras or both rear cameras.
- the second camera includes H cameras with different viewing angles, and the H cameras are front cameras or rear cameras.
- the fourth image displayed in the preview interface may come from the H cameras in descending view angles.
- H is a positive integer greater than or equal to 2.
- H is 2, that is, the second camera includes two cameras with different viewing angles.
- the two cameras may be the third camera and the fourth camera, respectively.
- the angle of view of the fourth camera is larger than that of the third camera.
- the fourth image can be from the third camera, and the second image can be from the fourth camera.
- the viewing angle of the second image may be as large as the first viewing angle, where, The first angle of view is the same as the angle of view of the wide-angle camera, or the angle of the first angle of view is the same as that of the ultra-wide angle camera, or the difference between the angle of view of the first angle of view and the wide angle camera is smaller than the first value, or the first angle of view and the ultra-wide angle The difference between the viewing angles of the cameras is smaller than the second value.
- the difference between the first angle of view and the angle of view of the wide-angle camera is smaller than the first value means that the first angle of view is very close to the angle of view of the wide-angle camera, and the difference between the angle of view of the first angle of view and the ultra-wide angle camera is smaller than the second value. Refers to the first viewing angle very close to the viewing angle of the ultra-wide-angle camera.
- the first angle of view may be the angle of view of a wide-angle camera.
- the electronic device can collect the depth information of the user's hand through the first camera.
- the depth information may indicate that the user's hand is close to the first camera.
- the electronic device can calculate the speed at which the user's hand approaching the first camera when the user signals the first gesture.
- the electronic device can switch to the angle of view of the wide-angle camera in one step in the preview interface (ie, the first angle of view).
- the user can open the palm of the user to push forward quickly, and when the speed of pushing forward exceeds the first speed, it can switch to a larger viewing angle in one step, such as the viewing angle of a wide-angle camera, to achieve rapid switching of viewing angles.
- the angle of view of the fourth image can be as large as the angle of view of the first image .
- the electronic device 100 may collect the depth information of the user's hand through the first camera.
- the depth information may indicate that the user's hand is far away from the first camera.
- the electronic device 100 may calculate the speed at which the user's hand is away from the first camera when the user signals the second gesture.
- the electronic device 100 can switch to the angle of view of the normal camera in one step in the preview interface.
- the user can make a fist and quickly pull forward, and when the speed of pulling backward exceeds the second speed, it can switch to a smaller angle of view in one step, such as the angle of view of a normal camera, to achieve rapid switching of angle of view.
- this application provides a photographing method, which is applied to an electronic device including a screen and a camera.
- the method may include: the electronic device turns on the camera, and may display a preview interface on the screen.
- the first image from the camera is displayed in the preview interface.
- the electronic device detects that the electronic device is making a first movement, and the first movement is that the electronic device is moving away from the photographed object and the moving speed of the electronic device exceeds the first speed.
- the electronic device may display a second image from the camera in the preview interface, and the viewing angle of the second image is larger than the viewing angle of the first image.
- the electronic device may save the third image from the camera displayed in the preview interface as a picture or video.
- the second image from the camera displayed in the preview interface may gradually become larger.
- the specific implementation may include: the electronic device may successively display K second images from the camera in the preview interface, the angle of view of the K second images gradually becomes larger, and the first displayed first image among the K second images
- the viewing angle of the second image can be as large as the viewing angle of the first image.
- K is a positive integer greater than or equal to 2.
- the viewing angle of the third image may be as large as the viewing angle of the second image.
- the electronic device detects that the electronic device is making the first movement, which specifically includes: when detecting that the image of the photographed object becomes smaller, the electronic device can determine that the electronic device is moving away from the photographed object. Moving; if the extent of the image of the photographed object becomes smaller than the first value per unit time, it is determined that the moving speed of the electronic device exceeds the first speed.
- the electronic device detects that the electronic device is making the first movement, which specifically includes: the electronic device can detect through the motion sensor that the electronic device is moving away from the subject and the movement speed of the electronic device Exceed the first speed.
- the electronic device can detect that the electronic device is making a second movement, and the second movement is that the electronic device is moving close to the subject and the movement speed of the electronic device exceeds the second speed.
- the electronic device may display a fourth image from the camera in the preview interface, and the viewing angle of the fourth image is smaller than the viewing angle of the second image.
- the fourth image from the camera displayed in the preview interface may gradually become smaller.
- the specific implementation may include: the electronic device can successively display J fourth images from the camera in the preview interface, the viewing angle of the J fourth images gradually becomes smaller, and the first displayed first among the J fourth images The viewing angle of the fourth image is the same as the viewing angle of the first image.
- J is a positive integer greater than or equal to 2.
- the viewing angle of the third image may be as large as the viewing angle of the fourth image.
- the electronic device detects that the electronic device is making the second movement, which specifically includes: when detecting that the image of the photographed object becomes larger, the electronic device can determine that the electronic device is moving close to the photographed object If the degree of increase in the image of the subject per unit time exceeds the first value, it is determined that the moving speed of the electronic device exceeds the second speed.
- the electronic device detects that the electronic device is making the second movement, which specifically includes: the electronic device can detect through the motion sensor that the electronic device is moving close to the subject and the movement speed of the electronic device Exceed the second speed.
- this application provides a photographing method.
- the method is applied to electronic equipment including screens and cameras.
- the method includes: the electronic device can turn on the camera and display a preview interface on the screen, and the preview interface can display the first image from the camera.
- the electronic device can detect that the number N1 of human faces contained in the first image is greater than the number N2 of human faces contained in the first image; N1 and N2 are positive integers.
- the electronic device may display a second image from the camera in the preview interface, and the viewing angle of the second image is larger than the viewing angle of the first image.
- the electronic device can save the third image from the camera displayed in the preview interface as a picture or video.
- the viewing angle of sequentially displaying the second image from the camera in the preview interface may gradually become larger.
- the specific implementation may include: the electronic device may successively display S second images from the camera in the preview interface, the viewing angle of the S second images gradually becomes larger, and the first display of the S second images The viewing angle of the second image is the same as the viewing angle of the first image.
- S is a positive integer greater than or equal to 2.
- the viewing angle of the third image may be as large as the viewing angle of the second image.
- this application provides an electronic device.
- the electronic device may include a screen, a first camera, a second camera, a memory, one or more processors, multiple applications, and one or more programs, one or more Multiple processors are used to execute one or more computer programs stored in the memory, where:
- the first camera can be a front camera, which can be used to collect images of the user.
- the second camera can be a front camera or a rear camera.
- the second camera can be used to capture images of the scene.
- the second camera may be a camera, for example, a common camera.
- the second camera may also be multiple cameras with different optical angles of view, such as five cameras of an ultra-telephoto camera, a telephoto camera, a normal camera, a wide-angle camera, and an ultra-wide-angle camera.
- the screen can be used to display the preview interface.
- the preview interface can be used to display the images collected by the second camera, and can also be used to display the images collected by the first camera.
- this application provides an electronic device, which may include a device that can implement any possible implementation manner in the first aspect, or any possible implementation manner in the second aspect, or Such as any possible implementation in the third aspect.
- the present application also provides a photographing device, which has the function of realizing the behavior of the electronic device in the actual method.
- the function can be realized by hardware, or the corresponding software can be executed by hardware.
- the hardware or software includes one or more modules corresponding to functions.
- the present application provides a computer device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor. Any possible implementation manner in the aspect, or as any possible implementation manner in the second aspect, or as any possible implementation manner in the third aspect.
- a computer program product containing instructions is characterized in that when the computer program product runs on an electronic device, the electronic device executes any possible implementation manner as in the first aspect, or as in the second aspect Any possible implementation manner, or any possible implementation manner as in the third aspect.
- a computer-readable storage medium including instructions, characterized in that, when the instructions are executed on an electronic device, the electronic device is caused to execute any possible implementation manner as in the first aspect, or as in the second aspect Any possible implementation manner in the third aspect, or any possible implementation manner in the third aspect.
- FIG. 1 shows a schematic structural diagram of an electronic device provided by an embodiment of the present application
- FIGS. 2A and 2B show schematic diagrams of the external structure of an electronic device provided by an embodiment of the present application
- Figure 2C shows a user interface for application menus provided by an embodiment of the present application
- 3A-3B show a user interface of a typical shooting scene provided by an embodiment of the present application
- 3C-3H show a user interface for adjusting the preview angle of view presented by the image displayed in the preview box when the front camera of the electronic device takes a photo according to an embodiment of the present application;
- 4A and 4B show an implementation manner of adjusting the preview angle of view presented by the image displayed in the preview frame when the front camera of the electronic device is provided in an embodiment of the present application;
- 5A-5O show a user interface for adjusting the preview angle of view presented by the image displayed in the preview frame when the front camera of the electronic device is recording video according to an embodiment of the present application;
- 6A and 6B show a user interface for enabling aerial photography provided by an embodiment of the present application
- 6C-FIG. 6I show a user interface for adjusting the preview angle of view presented by the image displayed in the preview box when the rear camera of the electronic device takes a photo according to an embodiment of the present application;
- Figures 7A and 7C show some user interfaces for taking pictures of an electronic device provided by embodiments of the present application.
- FIG. 7B shows a schematic diagram of an application scenario of photographing by an electronic device according to an embodiment of the present application
- 8A and 8B show other user interfaces for taking pictures of an electronic device according to an embodiment of the present application
- FIG. 9 shows the overall flow of the photographing method provided by the embodiment of the present application.
- the embodiment of the present application provides a photographing method, which can support the user to adjust the viewing angle during the photographing preview through gestures without touching the screen, which is convenient for the user to operate.
- the photographing method can also support the user to adjust the size of the preview perspective while framing, which can adjust the preview perspective and framing at the same time, the user can gradually adjust the size of the preview perspective while framing, and allows the user to feel the preview
- the effect of the change in the angle of view on the viewfinder is convenient for the user to quickly obtain the desired view angle and viewfinder, making the shooting process more efficient.
- the user wants to adjust the size of the preview viewing angle the user needs to hold the electronic device close to him and touch the screen with his finger to select the zoom magnification.
- the framing at this time is generally not what the user wants. For example, the framing faces the ground.
- the user often needs to adjust the shooting posture to re-framing after adjusting the size of the preview angle of view, for example, lifting the mobile phone toward the scene. That is to say, in the prior art, it is difficult for the user to adjust the size of the preview viewing angle and the user to view the view at the same time.
- the photographing method provided in the embodiments of the present application can be applied to an electronic device including multiple cameras.
- the electronic device can recognize the user's gesture through the front camera.
- the electronic device sequentially displays a series of images in the preview box, and the preview angle of view presented by the series of images is gradual.
- Gradient includes gradually becoming larger and gradually becoming smaller.
- the front camera recognizes the gesture of opening the palm and pushing forward
- the preview angle of the series of images displayed in the preview box by the electronic device is gradually enlarged, allowing more scenes to be displayed in the preview box.
- the front camera recognizes the gesture of making a fist and pulling back
- the electronic device successively displays a series of images in the preview box.
- the preview angle of view presented by the series of images becomes gradually smaller, which can gradually reduce the scene presented in the preview box.
- the forward direction of the open palm pushing forward means that the user's palm is close to the electronic device
- the backward direction of making a fist and pulling backward means that the user makes a fist away from the electronic device.
- the preview perspective presented by a series of images in the preview box gradually becomes larger, and more and more scenes can be included in the preview box;
- the preview angle of view presented by a series of images in the preview box gradually becomes smaller, and fewer and fewer scenes can be included in the preview box.
- the embodiment of the present application does not limit the gesture used to change the preview perspective presented by the series of images displayed in the preview box.
- the electronic device can also recognize the user's gesture through any one of the rear cameras.
- the user can adjust the size of the preview angle of view presented by the image displayed in the preview box through a gesture with one hand in the air.
- the photographing method of this solution allows the user to conveniently adjust the preview angle of view presented by the image displayed in the preview box. In this way, the user does not need to repeatedly bring the electronic device close and adjust the preview angle of view presented by the image displayed in the preview box by touching the screen of the electronic device with a finger.
- the scene displayed in the preview box is generally not what the user wants to shoot.
- the shooting method of this solution allows the user to feel the change of the scene displayed in the preview frame while adjusting the preview angle of view presented by the image displayed in the preview frame.
- the change of the scene displayed in the preview frame is generally what the user wants to shoot. In this way, the user can quickly obtain the desired view while adjusting the preview angle of view presented by the image displayed in the preview box.
- the electronic device can be a mobile phone, a tablet computer, a wearable device, a vehicle-mounted device, an augmented reality (AR)/virtual reality (VR) device, a notebook computer, an ultra-mobile personal computer, UMPC), netbooks, personal digital assistants (personal digital assistants, PDAs), or special cameras (such as single-lens reflex cameras, card cameras), etc.
- AR augmented reality
- VR virtual reality
- PDA personal digital assistants
- special cameras such as single-lens reflex cameras, card cameras
- Fig. 1 exemplarily shows the structure of the electronic device.
- the electronic device 100 may have multiple cameras 193, such as a normal camera, a wide-angle camera, an ultra-wide-angle camera, a telephoto camera, an ultra-telephoto camera, and the like.
- the multiple cameras 193 can be respectively arranged on both sides of the electronic device.
- the camera provided on the side of the display screen 194 of the electronic device 100 may be referred to as a front camera, and the camera provided on the side of the back cover of the electronic device 100 may be referred to as a rear camera.
- the front camera may be used to capture images of the scene facing the display screen 194, and the rear camera may be used to capture images of the scene facing the back cover of the electronic device 100.
- the angle of view can also be referred to as the field of view (field of view, FOV), which refers to the range of angles that can be imaged by the optical system of the camera.
- the focal length of an ultra-wide-angle camera is generally about 12mm (millimeter, mm)-24mm, and the viewing angle of an ultra-wide-angle camera is generally 84°-120°;
- the focal length of a wide-angle camera is generally about 24mm-35mm, and the viewing angle of a wide-angle camera is generally 63°-84°;
- the focal length of an ordinary camera is generally about 50mm, and the angle of view of an ordinary camera is generally about 46°;
- the focal length of a telephoto camera is generally about 135mm-500mm, and the angle of view of a telephoto camera is generally 5°-18°;
- the focal length of an ultra-telephoto camera generally exceeds 500mm, and the viewing angle of an ultra-telephoto camera is generally 0°-5°.
- the performance of these three cameras in terms of viewing angles is: ultra-wide-angle cameras are better than wide-angle cameras, and wide-angle cameras are better than ordinary cameras.
- the electronic device 100 may also include a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, and an antenna 1. , Antenna 2, mobile communication module 150, wireless communication module 160, audio module 170, speaker 170A, receiver 170B, microphone 170C, earphone jack 170D, sensor module 180, buttons 190, motor 191, indicator 192, display screen 194, and Subscriber identification module (subscriber identification module, SIM) card interface 195, etc.
- SIM Subscriber identification module
- the sensor module 180 may include a pressure sensor 180A, a gyroscope sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, a fingerprint sensor 180H, a temperature sensor 180J, a touch sensor 180K, and ambient light Sensor 180L, bone conduction sensor 180M, etc.
- the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the electronic device 100.
- the electronic device 100 may include more or fewer components than those shown in the figure, or combine certain components, or split certain components, or arrange different components.
- the illustrated components can be implemented in hardware, software, or a combination of software and hardware.
- the processor 110 may include one or more processing units.
- the processor 110 may include an application processor (AP), a modem processor, a graphics processing unit (GPU), and an image signal processor ( image signal processor, ISP), controller, memory, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU), etc.
- AP application processor
- GPU graphics processing unit
- ISP image signal processor
- controller memory
- video codec digital signal processor
- DSP digital signal processor
- NPU neural-network processing unit
- the different processing units may be independent devices or integrated in one or more processors.
- a processor 110 such as a controller or GPU can be used to combine multiple frames of images simultaneously collected by multiple cameras 193 in a multi-channel shooting scene and display them in the viewfinder frame by stitching or partial superposition. Preview images in the image, so that the electronic device 100 can display the images collected by the multiple cameras 193 at the same time.
- the processor 110 such as a controller or GPU, can also be used to perform anti-shake processing on the images collected by each camera 193 in a multi-channel shooting scene, and then combine multiple cameras 193 corresponding to The images after anti-shake processing are combined.
- the controller may be the nerve center and command center of the electronic device 100.
- the controller can generate operation control signals according to the instruction operation code and timing signals to complete the control of fetching instructions and executing instructions.
- a memory may also be provided in the processor 110 to store instructions and data.
- the memory in the processor 110 is a cache memory.
- the memory can store instructions or data that have just been used or recycled by the processor 110. If the processor 110 needs to use the instruction or data again, it can be directly called from the memory. Repeated accesses are avoided, the waiting time of the processor 110 is reduced, and the efficiency of the system is improved.
- the processor 110 may include one or more interfaces.
- the interface can include an integrated circuit (inter-integrated circuit, I2C) interface, an integrated circuit built-in audio (inter-integrated circuitsound, I2S) interface, a pulse code modulation (pulse code modulation, PCM) interface, and a universal asynchronous receiver /transmitter, UART) interface, mobile industry processor interface (MIPI), general-purpose input/output (GPIO) interface, subscriber identity module (SIM) interface, and/or Universal serial bus (USB) interface, etc.
- MIPI mobile industry processor interface
- GPIO general-purpose input/output
- SIM subscriber identity module
- USB Universal serial bus
- the charging management module 140 is used to receive charging input from the charger.
- the charger can be a wireless charger or a wired charger.
- the charging management module 140 may receive the charging input of the wired charger through the USB interface 130.
- the charging management module 140 may receive the wireless charging input through the wireless charging coil of the electronic device 100. While the charging management module 140 charges the battery 142, it can also supply power to the electronic device through the power management module 141.
- the power management module 141 is used to connect the battery 142, the charging management module 140 and the processor 110.
- the power management module 141 receives input from the battery 142 and/or the charging management module 140, and supplies power to the processor 110, the internal memory 121, the external memory, the display screen 194, the camera 193, and the wireless communication module 160.
- the power management module 141 can also be used to monitor parameters such as battery capacity, battery cycle times, and battery health status (leakage, impedance).
- the power management module 141 may also be provided in the processor 110. In other embodiments, the power management module 141 and the charging management module 140 may also be provided in the same device.
- the wireless communication function of the electronic device 100 can be implemented by the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, the modem processor, and the baseband processor.
- the antenna 1 and the antenna 2 are used to transmit and receive electromagnetic wave signals.
- Each antenna in the electronic device 100 can be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization.
- Antenna 1 can be multiplexed as a diversity antenna of a wireless local area network.
- the antenna can be used in combination with a tuning switch.
- the mobile communication module 150 can provide a wireless communication solution including 2G/3G/4G/5G and the like applied to the electronic device 100.
- the mobile communication module 150 may include at least one filter, a switch, a power amplifier, a low noise amplifier (LNA), and the like.
- the mobile communication module 150 can receive electromagnetic waves by the antenna 1, and perform processing such as filtering, amplifying and transmitting the received electromagnetic waves to the modem processor for demodulation.
- the mobile communication module 150 can also amplify the signal modulated by the modem processor, and convert it into electromagnetic waves for radiation via the antenna 1.
- the wireless communication module 160 can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks), bluetooth (BT), and global navigation satellite systems. (global navigation satellite system, GNSS), frequency modulation (FM), near field communication (NFC), infrared technology (infrared, IR) and other wireless communication solutions.
- WLAN wireless local area networks
- BT Bluetooth
- GNSS global navigation satellite system
- FM frequency modulation
- NFC near field communication
- IR infrared technology
- the wireless communication module 160 may be one or more devices integrating at least one communication processing module.
- the wireless communication module 160 receives electromagnetic waves via the antenna 2, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110.
- the wireless communication module 160 may also receive a signal to be sent from the processor 110, perform frequency modulation, amplify, and convert it into electromagnetic waves to radiate through the antenna 2.
- the antenna 1 of the electronic device 100 is coupled with the mobile communication module 150, and the antenna 2 is coupled with the wireless communication module 160, so that the electronic device 100 can communicate with the network and other devices through wireless communication technology.
- Wireless communication technologies can include global system for mobile communications (GSM), general packet radio service (GPRS), code division multiple access (CDMA), and broadband code division multiple access. Address (wideband code division multiple access, WCDMA), time-division code division multiple access (TD-SCDMA), long term evolution (LTE), BT, GNSS, WLAN, NFC, FM, and / Or IR technology, etc.
- GSM global system for mobile communications
- GPRS general packet radio service
- CDMA code division multiple access
- CDMA broadband code division multiple access
- Address wideband code division multiple access
- TD-SCDMA time-division code division multiple access
- LTE long term evolution
- BT long term evolution
- BT long term evolution
- BT long term evolution
- BT long term evolution
- BT long term evolution
- the external memory interface 120 may be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device 100.
- the external memory card communicates with the processor 110 through the external memory interface 120 to realize the data storage function. For example, save music, video and other files in an external memory card.
- the internal memory 121 may be used to store computer executable program code, and the executable program code includes instructions.
- the processor 110 executes various functional applications and data processing of the electronic device 100 by running instructions stored in the internal memory 121.
- the internal memory 121 may include a storage program area and a storage data area.
- the storage program area can store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required by at least one function, and the like.
- the data storage area can store data (such as audio data, phone book, etc.) created during the use of the electronic device 100.
- the internal memory 121 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, a universal flash storage (UFS), and the like.
- UFS universal flash storage
- the electronic device 100 can implement audio functions through the audio module 170, the speaker 170A, the receiver 170B, the microphone 170C, the earphone interface 170D, and the application processor. For example, music playback, recording, etc.
- the audio module 170 is used to convert digital audio information into an analog audio signal for output, and is also used to convert an analog audio input into a digital audio signal.
- the audio module 170 can also be used to encode and decode audio signals.
- the audio module 170 may be provided in the processor 110, or part of the functional modules of the audio module 170 may be provided in the processor 110.
- the pressure sensor 180A is used to sense the pressure signal and can convert the pressure signal into an electrical signal.
- the pressure sensor 180A may be provided on the display screen 194.
- the capacitive pressure sensor may include at least two parallel plates with conductive materials.
- the electronic device 100 determines the intensity of the pressure according to the change in capacitance.
- the electronic device 100 detects the intensity of the touch operation according to the pressure sensor 180A.
- the electronic device 100 may also calculate the touched position according to the detection signal of the pressure sensor 180A.
- the gyro sensor 180B may be used to determine the movement posture of the electronic device 100.
- the angular velocity of the electronic device 100 around three axes ie, x, y, and z axes
- the gyro sensor 180B can be used for image stabilization.
- the gyro sensor 180B detects the shake angle of the electronic device 100, calculates the distance that the lens module needs to compensate according to the angle, and allows the lens to counteract the shake of the electronic device 100 through reverse movement to achieve anti-shake.
- the gyro sensor 180B can also be used for navigation and somatosensory game scenes.
- the air pressure sensor 180C is used to measure air pressure.
- the electronic device 100 calculates the altitude based on the air pressure value measured by the air pressure sensor 180C to assist positioning and navigation.
- the magnetic sensor 180D includes a Hall sensor.
- the electronic device 100 can use the magnetic sensor 180D to detect the opening and closing of the flip holster.
- the electronic device 100 can detect the opening and closing of the flip according to the magnetic sensor 180D.
- features such as unlocking the flip cover are set.
- the acceleration sensor 180E can detect the magnitude of the acceleration of the electronic device 100 in various directions (generally three axes). When the electronic device 100 is stationary, the magnitude and direction of gravity can be detected. It can also be used to identify the posture of electronic devices, and apply to applications such as horizontal and vertical screen switching, pedometers, and so on.
- the electronic device 100 can measure the distance by infrared or laser. In some embodiments, when shooting a scene, the electronic device 100 may use the distance sensor 180F to measure the distance to achieve fast focusing.
- the proximity light sensor 180G may include, for example, a light emitting diode (LED) and a light detector such as a photodiode.
- the light emitting diode may be an infrared light emitting diode.
- the electronic device 100 emits infrared light to the outside through the light emitting diode.
- the electronic device 100 uses a photodiode to detect infrared reflected light from nearby objects. When sufficient reflected light is detected, it can be determined that there is an object near the electronic device 100. When insufficient reflected light is detected, the electronic device 100 can determine that there is no object near the electronic device 100.
- the electronic device 100 can use the proximity light sensor 180G to detect that the user holds the electronic device 100 close to the ear to talk, so as to turn off the screen to save power.
- the proximity light sensor 180G can also be used in leather case mode, pocket mode unlocking and screen lock.
- the ambient light sensor 180L is used to sense the brightness of the ambient light.
- the electronic device 100 can adaptively adjust the brightness of the display screen 194 according to the perceived brightness of the ambient light.
- the ambient light sensor 180L can also be used to adjust the white balance when taking pictures.
- the ambient light sensor 180L can also cooperate with the proximity light sensor 180G to detect whether the electronic device 100 is in the pocket to prevent accidental touch.
- the fingerprint sensor 180H is used to collect fingerprints.
- the electronic device 100 can use the collected fingerprint characteristics to implement fingerprint unlocking, access application locks, fingerprint photographs, fingerprint answering calls, and so on.
- the temperature sensor 180J is used to detect temperature.
- the electronic device 100 uses the temperature detected by the temperature sensor 180J to execute a temperature processing strategy. For example, when the temperature reported by the temperature sensor 180J exceeds a threshold value, the electronic device 100 reduces the performance of the processor located near the temperature sensor 180J, so as to reduce power consumption and implement thermal protection.
- the electronic device 100 when the temperature is lower than another threshold, the electronic device 100 heats the battery 142 to avoid abnormal shutdown of the electronic device 100 due to low temperature.
- the electronic device 100 boosts the output voltage of the battery 142 to avoid abnormal shutdown caused by low temperature.
- Touch sensor 180K also called “touch panel”.
- the touch sensor 180K may be disposed on the display screen 194, and the touch screen is composed of the touch sensor 180K and the display screen 194, which is also called a “touch screen”.
- the touch sensor 180K is used to detect touch operations acting on or near it.
- the touch sensor can pass the detected touch operation to the application processor to determine the type of touch event.
- the visual output related to the touch operation can be provided through the display screen 194.
- the touch sensor 180K may also be disposed on the surface of the electronic device 100, which is different from the position of the display screen 194.
- the bone conduction sensor 180M can acquire vibration signals.
- the bone conduction sensor 180M can obtain the vibration signal of the vibrating bone mass of the human image sound part.
- the bone conduction sensor 180M can also contact the human body image pulse and receive the blood pressure pulse signal.
- the bone conduction sensor 180M may also be provided in the earphone, combined with the bone conduction earphone.
- the audio module 170 can parse the voice signal based on the vibration signal of the vibrating bone block of the voice obtained by the bone conduction sensor 180M, and realize the voice function.
- the application processor can analyze the heart rate information based on the blood pressure beating signal obtained by the bone conduction sensor 180M, and realize the heart rate detection function.
- the button 190 includes a power-on button, a volume button, and so on.
- the button 190 may be a mechanical button. It can also be a touch button.
- the electronic device 100 may receive key input, and generate key signal input related to user settings and function control of the electronic device 100.
- the motor 191 can generate vibration prompts.
- the motor 191 can be used for incoming call vibration notification, and can also be used for touch vibration feedback.
- touch operations applied to different applications can correspond to different vibration feedback effects.
- Acting on touch operations in different areas of the display screen 194, the motor 191 can also correspond to different vibration feedback effects.
- Different application scenarios for example: time reminding, receiving information, alarm clock, games, etc.
- the touch vibration feedback effect can also support customization.
- the indicator 192 may be an indicator light, which may be used to indicate the charging status, power change, or to indicate messages, missed calls, notifications, and so on.
- the SIM card interface 195 is used to connect to the SIM card.
- the SIM card can be inserted into the SIM card interface 195 or pulled out from the SIM card interface 195 to achieve contact and separation with the electronic device 100.
- the electronic device 100 may support one or more SIM card interfaces.
- the SIM card interface 195 can support Nano SIM cards, Micro SIM cards, SIM cards, etc.
- the same SIM card interface 195 can insert multiple cards at the same time. The types of multiple cards can be the same or different.
- the SIM card interface 195 can also be compatible with different types of SIM cards.
- the SIM card interface 195 may also be compatible with external memory cards.
- the electronic device 100 interacts with the network through the SIM card to implement functions such as call and data communication.
- the electronic device 100 adopts an eSIM, that is, an embedded SIM card.
- the eSIM card can be embedded in the electronic device 100 and cannot be separated from the electronic device 100.
- the electronic device 100 can implement a shooting function through an ISP, a camera 193, a video codec, a GPU, a display screen 194, and an application processor.
- the ISP is used to process the data fed back from the camera 193. For example, when taking a picture, the shutter is opened, and the light is transmitted to the photosensitive element of the camera through the lens, the light signal is converted into an electrical signal, and the photosensitive element of the camera transmits the electrical signal to the ISP for processing, which is converted into an image visible to the naked eye.
- ISP can also optimize the image noise, brightness, and skin color. ISP can also optimize the exposure, color temperature and other parameters of the shooting scene. It is not limited to being integrated in the processor 110, and the ISP may also be provided in the camera 193.
- the camera 193 includes a lens and a photosensitive element (also referred to as an image sensor) for capturing still images or videos.
- the object generates an optical image through the lens and is projected to the photosensitive element.
- the photosensitive element may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
- CMOS complementary metal-oxide-semiconductor
- the photosensitive element converts the optical signal into an electrical signal, and then transfers the electrical signal to the ISP to convert it into a digital image signal, such as standard RGB, YUV and other format image signals.
- the camera 193 may be used to collect depth data.
- the camera 193 may have a (time of flight, TOF) 3D sensing module or a structured light (structured light) 3D sensing module for acquiring depth information.
- the camera used to collect depth data can be a front camera or a rear camera.
- Video codecs are used to compress or decompress digital images.
- the electronic device 100 may support one or more image codecs. In this way, the electronic device 100 can open or save pictures or videos in multiple encoding formats.
- the electronic device 100 can implement a display function through a GPU, a display screen 194, an application processor, and the like.
- the GPU is an image processing microprocessor, which is connected to the display screen 194 and the application processor.
- the GPU is used to perform mathematical and geometric calculations and is used for graphics rendering.
- the processor 110 may include one or more GPUs that execute program instructions to generate or change display information.
- the display screen 194 is used to display images, videos, and the like.
- the display screen 194 includes a display panel.
- the display panel can use liquid crystal display (LCD), organic light-emitting diode (organic light-emitting diode, OLED), active-matrix organic light-emitting diode or active-matrix organic light-emitting diode (active-matrix organic light-emitting diode).
- LCD liquid crystal display
- OLED organic light-emitting diode
- OLED organic light-emitting diode
- active-matrix organic light-emitting diode active-matrix organic light-emitting diode
- AMOLED organic light-emitting diode
- FLED flexible light-emitting diode
- Miniled MicroLed, Micro-oLed, quantum dot light-emitting diode (QLED), etc.
- the electronic device 100 may include one or more display screens 194.
- FIG. 2A and FIG. 2B show schematic diagrams of the external structure of an electronic device 100.
- FIG. 2A shows the side where the display screen 194 of the electronic device 100 is located.
- FIG. 2B shows the side where the back cover of the electric electronic device 100 is located.
- the electronic device 100 may have multiple cameras 193.
- the electronic device 100 may include multiple front cameras.
- the front camera 193-1 may be an ordinary camera.
- the front camera 193-2 can be a wide-angle camera.
- the front camera 193-1 and the front camera 193-2 may be disposed on the top of the electronic device 100, such as the "bangs" position of the electronic device 100 (ie, the area AA shown in FIG. 2A).
- the area AA may also include a speaker 170A and the like. As shown in FIG.
- the electronic device 100 may include multiple rear cameras, such as a rear camera 193-3, a rear camera 193-4, and a rear camera 193-5.
- the rear camera 193-3, the rear camera 193-4, and the rear camera 193-5 may be a normal camera, a wide-angle camera, and a telephoto camera, respectively.
- the side where the back cover of the electronic device 100 is located may also have a flash 196 and the like.
- the camera 193 can change the viewing angle of the preview image in the preview box through digital zoom, or change the viewing angle of the preview image in the preview box through optical zoom, and it can also use a combination of optical zoom and digital zoom (also known as hybrid Zoom) to change the viewing angle of the preview image.
- zoom can include digital zoom, optical zoom, or hybrid zoom.
- hybrid zoom is an example of hybrid zoom.
- the electronic device 100 may change the cameras used for shooting among the plurality of cameras 193 and combine with digital zoom to realize that the size of the preview angle of view presented by a series of images displayed in the preview box is gradual.
- the aforementioned camera used for shooting may refer to a camera whose collected image is displayed in the preview box.
- the above-mentioned digital zoom can enable the electronic device 100 to increase the area of each pixel in the image captured by the camera 193 to achieve the purpose of changing the focal length. This is equivalent to that the electronic device 100 performs cropping processing on an image collected by a camera, and then enlarges the cropped image, that is, adjusting the resolution of the cropped image to be the same as the resolution of the image before cropping.
- the current preview box displays the image collected by the normal camera 193-1 in the front camera, and the current zoom magnification is 1x magnification (1X).
- the electronic device 100 recognizes the gesture of pushing forward with the open palm through the image collected by the ordinary camera 193-1, the electronic device 100 first displays the image collected by the ordinary camera 193-1 in the preview box, and then the wide-angle camera The image collected by 193-2 is cropped, and the cropped image is displayed in the preview box.
- the electronic device 100 may crop the images successively collected by the wide-angle camera 193-2 multiple times, and the cropping area of the multiple cropping becomes larger and larger, that is, the electronic device 100 performs multiple digital zooming processes.
- the image display may include two stages: the stage of using the ordinary camera 193-1 to capture images, and the stage of using the wide-angle camera 193-2 to capture images.
- the zoom magnification is one magnification 1X.
- the zoom magnification is gradually reduced from 1X, for example, the zoom magnification is reduced from 0.9 magnification (0.9X) to 0.8 magnification (0.8X), and from 0.8X to 0.7 magnification ( 0.7X) etc. In this way, when the gesture of pushing forward with the open palm occurs, the preview angle of view presented by the series of images displayed in the preview box becomes larger and larger.
- the current preview box displays the image captured by the wide-angle camera 193-2
- the current zoom magnification is the wide-angle magnification (Wide).
- the electronic device 100 recognizes the gesture of making a fist and pulling back through the image collected by the wide-angle camera 193-2, the electronic device 100 first displays the image collected by the wide-angle camera 193-2 in the preview box, and then the wide-angle camera 193- 2Crop the captured image, and display the cropped image in the preview box.
- the electronic device 100 may crop the images successively collected by the wide-angle camera 193-2 multiple times, and the cropping area of the multiple cropping becomes smaller and smaller, that is, the electronic device 100 performs multiple digital zooming processes.
- the zoom magnification is gradually increased from Wide, for example, the zoom magnification is increased from Wide to 0.7X, from 0.7X to 0.8X, and so on.
- the electronic device 100 displays the image collected by the ordinary camera 193-1 in the preview frame. If the electronic device 100 still recognizes the gesture of making a fist and pulling back through the image collected by the ordinary camera 193-1, the electronic device 100 can crop the image collected by the ordinary camera 193-1 and display the cropped image in the preview box . Specifically, the electronic device 100 may perform multiple cropping on the images successively collected by the ordinary camera 193-1, and the cropping area of the multiple cropping becomes smaller and smaller.
- the zoom magnification is gradually increased from 1X, for example, the zoom magnification is increased from 1X to 1.1 magnification (1.1X), and from 1.1X to 1.2 magnification (1.2X) Wait.
- the zoom magnification is increased from 1X to 1.1 magnification (1.1X), and from 1.1X to 1.2 magnification (1.2X) Wait.
- the preview angle of view presented by the image from the camera displayed in the preview box may generally be smaller than the angle of view of the camera.
- the image in the preview box is cropped from the image collected by the camera.
- the zoom magnification is changed to a specific magnification, the preview angle of view presented by the image displayed in the preview frame can be as large as the angle of view of this camera.
- the preview angle of view presented by the image displayed in the preview frame is generally smaller than the angle of view of the wide-angle camera 193-2.
- the zoom magnification is a Wide magnification (such as 0.6X)
- the preview angle of view presented by the image displayed in the preview frame can be as large as the angle of view of the wide-angle camera 193-2.
- the electronic device 100 may also include more or fewer components.
- the electronic device 100 may be a large-screen device such as a smart TV or a smart screen, and such a large-screen device may be equipped with a camera 193.
- this large-screen device can recognize the aforementioned specific gestures through the images collected by the front camera 193, and then adjust the preview viewing angle during photo preview, video preview, and video recording (including video calls).
- this large-screen device can recognize the aforementioned specific gestures through the images collected by the front camera 193, and then adjust the preview viewing angle during photo preview, video preview, and video recording (including video calls).
- how to adjust the viewing angle of the preview it will be described in detail in subsequent embodiments, and will not be expanded here.
- the following describes an exemplary user interface for application menus on the electronic device 100.
- FIG. 2C exemplarily shows an exemplary user interface 210 for an application menu on the electronic device 100.
- the user interface 210 may include: a status bar 211, a tray 215 with a list of commonly used applications, a calendar indicator 212, a weather indicator 213, a navigation bar 216, and other application icons 214. in:
- the status bar 211 may include one or more signal strength indicators of a mobile communication signal, one or more signal strength indicators of a wireless fidelity (WiFi) signal, a battery status indicator, and a time indicator.
- WiFi wireless fidelity
- the calendar indicator 212 can be used to indicate the current time, such as date, day of the week, hour and minute information, and so on.
- the weather indicator 213 can be used to indicate the type of weather, such as cloudy to clear, light rain, etc., and can also be used to indicate information such as temperature.
- the tray 215 with icons of commonly used application programs may display: a dial icon 215A, an information icon 215B, a contact icon 215C, and a camera icon 215D.
- the camera icon 215D can be used to start the camera application. For example, in response to a user operation on the camera icon 215D, such as a touch operation, the electronic device 100 can start a camera application to perform functions such as photographing and video recording.
- the navigation bar 216 may include system navigation keys such as a return button 216C, a home screen button 216B, and a call out task history button 216C.
- system navigation keys such as a return button 216C, a home screen button 216B, and a call out task history button 216C.
- the electronic device 100 may display the previous page of the current page.
- the main interface button 216B the electronic device 100 may display the main interface.
- the outgoing task history button 216C the electronic device 100 may display the task recently opened by the user.
- the naming of each navigation key can also be other, which is not limited in this application. Not limited to virtual keys, each navigation key in the navigation bar 216 can also be implemented as a physical key.
- the other application icons 214 may include a mail icon 214A, a gallery icon 214B, a WeChat icon 214C, and a sports health icon 214D.
- the gallery icon 214B can be used to open a gallery application.
- the electronic device 100 in response to a user operation on the gallery icon 214B, such as a touch operation, the electronic device 100 can open a gallery application to display information such as pictures and videos stored in the electronic device 100.
- the pictures and videos stored in the electronic device 100 include photos and videos taken by the electronic device 100 through a camera application.
- the other application icons 214 may also include more application icons, which are not limited in the embodiment of the present application.
- the user interface 210 may also include a page indicator 217.
- Other application icons may be distributed on multiple pages, and the page indicator 217 may be used to indicate which application in which page the user is currently browsing.
- the user can swipe the area of other application icons left and right to browse application icons in other pages.
- the electronic device 100 may display the user interface of the application.
- the user interface 210 exemplarily shown in FIG. 2C may be a home screen.
- the electronic device 100 may also include a home button.
- the main screen key can be a physical key or a virtual key (such as the key 216B).
- the home screen key can be used to receive instructions from the user and return the currently displayed UI to the home interface, so that it is convenient for the user to view the home screen at any time.
- FIG. 2C only exemplarily shows the user interface on the electronic device 100, and should not constitute a limitation to the embodiment of the present application.
- the electronic device may detect a touch operation (such as a click operation on the camera icon 215D) acting on the camera icon 215D, and in response to the operation, may display the user interface 310 exemplarily shown in FIG. 3A.
- the user interface 310 may be a user interface of a default photographing mode of a camera application, and may be used for the user to take a photograph through the default rear camera.
- the camera application is an image shooting application on electronic devices such as smart phones and tablet computers. This application does not restrict the name of the application. In other words, the user can click the camera icon 215D to open the user interface 310 of the camera application.
- the user can also open the user interface 310 in other applications, for example, the user clicks the shooting control in "WeChat” to open the user interface 310.
- "WeChat” is a social application that allows users to share photos taken with others.
- the default camera is not limited to the rear camera, and the electronic device 100 may also set the front camera as the default camera. That is to say, when the dependent application is started, the electronic device 100 can display the image collected by the front camera in the preview box 314, which can be used by the user to take photos with the default front camera.
- FIG. 3A exemplarily shows a user interface 310 of a camera application on an electronic device such as a smart phone.
- the user interface 310 may include: a setting control 311, a flash control 312, a zoom magnification 313, a preview box 314, a camera mode option 315, a gallery shortcut control 316, a shutter control 317, and a camera flip control 318. in:
- the setting control 311 can be used to adjust the parameters of taking photos (such as resolution, filters, etc.) and to turn on or off some methods for taking pictures (such as timed taking pictures, smiling pictures, voice control taking pictures, etc.).
- the setting control 311 can be used to set more other shooting functions, which is not limited in the embodiment of the present application.
- the flash control 312 can be used to turn the flash on or off.
- the zoom magnification 313 may be used to indicate the ratio of the preview view angle transformation presented by the image displayed in the preview frame 314. Among them, the larger the zoom magnification 313 is, the smaller the preview angle of view presented by the image displayed in the preview frame 314 is. Conversely, the smaller the zoom magnification 313 is, the larger the preview angle of view presented by the image displayed in the preview frame 314 is. As shown in Figure 3A, 1X can be the default zoom ratio of the camera application. When the zoom magnification 313 is one magnification 1X, the preview angle of view presented by the image displayed in the preview frame 314 is the same as the shooting angle of view of the ordinary camera 193-1.
- the electronic device 100 can display the image collected by the ordinary camera 193-1 in the preview frame 314, and the preview angle presented by the image is the same as the shooting angle of the ordinary camera 193-1.
- the embodiment of the present application does not limit the foregoing default zoom magnification.
- the preview frame 314 can be used to display the images collected by the camera 193 in real time.
- the electronic device can refresh the displayed content in it in real time, so that the user can preview the image currently collected by the camera 193.
- One or more shooting mode options may be displayed in the camera mode option 315.
- the one or more shooting mode options may include: large aperture mode option 315A, video mode option 315B, photographing mode option 315C, portrait mode option 315D, and more options 315E.
- the one or more shooting mode options can be expressed as text information on the interface, such as "large aperture”, “video”, “photograph”, “portrait”, and “more”. Not limited to this, the one or more camera options may also be represented as icons or other forms of interactive elements (IE) on the interface.
- IE interactive elements
- the electronic device 100 may further display more other shooting mode options, such as slow motion shooting mode options, etc., to show the user a richer camera function.
- more options 315E may not be displayed in the camera mode option 315, and the user can browse other shooting mode options by sliding left/right in the camera mode option 315.
- the gallery shortcut key 316 can be used to open the gallery application.
- the electronic device 100 can open the gallery application.
- the gallery application is a picture management application on electronic devices such as smart phones, tablet computers, etc., and can also be referred to as "album".
- the name of the application is not limited in this embodiment.
- the gallery application can support the user to perform various operations on the pictures stored on the electronic device 100, such as browsing, editing, deleting, and selecting operations.
- the shutter control 317 can be used to monitor user operations that trigger a photo.
- the electronic device 100 can detect a user operation on the shutter control 317, and in response to the operation, the electronic device 100 can save the image in the preview box 314 as a picture in a gallery application.
- the electronic device 100 may also display thumbnails of the saved images in the gallery shortcut key 316.
- the user can click the shutter control 317 to trigger a photo.
- the shutter control 317 may be a button or other forms of controls.
- the camera flip control 318 can be used to monitor the user operation that triggers the camera flip.
- the electronic device 100 can detect a user operation that acts on the camera flip control 318, such as a click operation, and in response to the operation, the electronic device 100 can flip the camera, for example, switch the rear camera to the front camera. At this time, as shown in FIG. 3B, the image collected by the front camera is displayed in the preview frame 314.
- UI user interfaces
- Figures 3B to 3H exemplarily show a user interface for adjusting the size of the preview viewing angle in a front camera scene.
- the front camera scene may be a scene where the user holds the electronic device 100 while holding a selfie stick to take a picture.
- Figures 3B to 3D exemplarily show the user interface of the zoomed-in preview view in the front-facing camera scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of opening a palm and pushing forward) to enlarge the preview perspective.
- a specific gesture such as a gesture of opening a palm and pushing forward
- the electronic device 100 can gradually enlarge the preview view angle presented by the image displayed in the preview frame 314. At the same time, the zoom magnification 313 displayed in the front camera preview interface 310 will gradually decrease.
- the initial zoom magnification 313 may be one magnification 1X, and the image displayed in the preview frame 314 comes from a common front camera. Thereafter, the electronic device 100 can recognize the gesture of opening the palm and pushing forward, the preview angle of view presented by the image displayed in the preview frame 314 can gradually increase, and the zoom magnification 313 can gradually decrease. For example, the zoom magnification is reduced from 1X to 0.9X, from 0.9X to 0.8X, and so on.
- the electronic device 100 can recognize the gesture of opening the palm and continuing to push forward. 313 reduced to 0.7X.
- the electronic device 100 recognizes the gesture of opening the palm to further push forward, the preview angle of view presented by the image displayed in the preview frame 314 is further enlarged, and the zoom The magnification 313 is reduced to 0.6X, for example, the Wide magnification.
- the zoom magnification 313 can be reduced from 1X to 0.9X, increased from 0.9X to 0.7X,..., gradually reduced to Wide magnification, and displayed in the preview frame 314
- the preview angle of view presented by the image gradually becomes larger.
- the user in the process of pre-photographing and previewing, the user can enlarge the preview perspective by opening the palm and pushing forward.
- the electronic device 100 can adjust the speed at which the preview viewing angle becomes larger according to the speed at which the hand is pushed forward. The faster the hand is pushed forward, the faster the preview viewing angle becomes larger. In particular, when it is recognized within a short time T (such as 0.5 seconds) that the open palm is pushed forward at a speed greater than the preset speed, the electronic device 100 can directly change the preview viewing angle from a smaller preview viewing angle (such as a double zoom magnification). The preview viewing angle under magnification) is switched to the maximum preview viewing angle, such as the viewing angle of the wide-angle camera 193-2. In this way, the user can be supported to quickly switch to a larger preview perspective.
- T such as 0.5 seconds
- the electronic device 100 can stop zooming in on the preview viewing angle. In this way, the user can open his palm and push forward while feeling the effect of zooming in the preview angle on the viewfinder.
- the user believes that the current viewfinder in the preview frame 314 is appropriate, the user can put his hand down or no longer push the palm forward. At this time, the shooting angle of view presented by the image displayed in the preview frame 314 no longer changes.
- Figures 3E to 3G exemplarily show the user interface of the reduced preview viewing angle in the front camera scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of making a fist and pulling back) to reduce the preview perspective.
- a specific gesture such as a gesture of making a fist and pulling back
- the electronic device 100 can gradually reduce the preview angle of view presented by the image displayed in the preview frame 314.
- the zoom magnification 313 displayed in the front camera preview interface 310 will gradually increase.
- the initial zoom magnification 313 may be a wide magnification. Thereafter, the electronic device 100 can recognize the gesture of making a fist and pulling back, the preview angle of view presented by the image displayed in the preview frame 314 becomes smaller, and the zoom magnification 313 is increased to 0.8X.
- the electronic device 100 can recognize the gesture of making a fist and continuing to pull back, the preview angle of view presented by the image displayed in the preview frame 314 is further reduced, and the zoom magnification 313 is increased As large as 1X.
- the electronic device 100 recognizes the gesture of making a fist and continuing to pull back, the preview angle of view presented by the image displayed in the preview frame 314 is further reduced, and the zoom magnification is 313. Increase to 2X.
- the zoom magnification 313 can be increased from 1X to 1.1X, from 1.1X to 1.2X,..., gradually increased to 2X, and displayed in the preview box 314
- the preview viewing angle presented by the image gradually becomes smaller.
- the user in the process of pre-photographing and previewing, the user can narrow the viewing angle of the preview by making a fist and pulling it back.
- the electronic device 100 can adjust the speed at which the preview viewing angle becomes smaller according to the speed at which the fist is pulled back. The faster the fist is pulled back, the faster the preview viewing angle becomes smaller. In particular, when it is recognized within a short time T (such as 0.5 seconds) that the speed of pulling the fist backward is greater than the preset speed, the electronic device 100 can directly change the preview viewing angle from a larger preview viewing angle (such as zoom magnification at a wide magnification). Preview Angle) Switch to the minimum preview angle, such as that of a normal camera. In this way, the user can be supported to quickly switch to a smaller preview angle.
- T such as 0.5 seconds
- the electronic device 100 can stop zooming in on the preview viewing angle. In this way, the user can pull back while making a fist while feeling the impact of the viewing angle of the preview reduced on the viewfinder.
- the user believes that the current viewfinder in the preview frame 314 is appropriate, the user can put his hand down or no longer push the palm forward. At this time, the shooting angle of view presented by the image displayed in the preview frame 314 no longer changes.
- the user can adjust the size of the preview angle of view presented by the image displayed in the preview box through a gesture of space and one hand.
- the photographing method of this solution allows the user to conveniently adjust the preview angle of view presented by the image displayed in the preview box. In this way, the user does not need to repeatedly bring the electronic device close and adjust the preview angle of view presented by the image displayed in the preview box by touching the screen of the electronic device with a finger.
- the user since the user does not need to touch the screen of the electronic device with a finger, the user can feel the influence of the change of the preview angle on the shooting picture while adjusting the preview angle of view.
- the scene displayed in the preview box is generally not what the user wants to shoot. Therefore, the user needs to adjust the shooting posture (such as lifting the electronic device, etc.) after adjusting the viewing angle of the preview to include the scene to be shot into the preview frame. In this way, it is difficult for the user to adjust the viewing angle of the preview and perform the shooting and framing at the same time.
- the photographing method in this solution can support the user to adjust the preview angle of view while shooting and framing, and bring a good shooting experience to the user.
- the electronic device 100 may prompt the user in the preview box 314 to use which gesture to adjust the preview viewing angle.
- the electronic device 100 may display prompts 314A and 314B in the preview box 314 in a manner similar to picture-in-picture, wherein the prompt 314B may be a part of the preview image displayed in the preview box.
- the prompt 314A is a thumbnail of the image actually collected by the camera with the largest viewing angle.
- the preview angle of view is the same as the angle of view of the ordinary camera 193-1.
- the preview viewing angle gradually increases, and the proportion of 314B in 314A also gradually increases.
- the preview viewing angle is gradually reduced, and the proportion of 314B in 314A is also gradually reduced. In this way, the user can intuitively feel the gap between the preview angle of view presented by the preview image and the maximum angle of view, which is convenient for the user to perform better shooting.
- the electronic device 100 may detect a user operation for triggering a photo, such as a click operation on the control 317, and save the image displayed in the preview box 314 as a photo in a gallery application.
- a user operation for triggering a photo such as a click operation on the control 317
- the electronic device 100 can trigger a photo taking when a smiling face is recognized in the image displayed in the preview box 314.
- the voice-activated photographing mode is turned on, the electronic device 100 may trigger the photographing when a voice instruction instructing to take a photograph is detected. In this way, the user can trigger a photo without touching the screen.
- the posture of the electronic device 100 may not change, or the relative distance between the electronic device 100 and the scene may not change.
- no change may mean that the posture of the electronic device 100 changes very little or the relative distance between the electronic device 100 and the scene changes very little, which is not enough to have a significant impact on the preview viewing angle presented by the image displayed in the preview frame 314.
- the following describes the specific implementation method of adjusting the preview angle of view in the front camera scene.
- the electronic device 100 has multiple front-facing cameras, for example, two front-facing cameras.
- the two front cameras may include a normal camera 193-1 and a wide-angle camera 193-2.
- Stage 1 Increase the viewing angle during photo preview
- FIG. 4A exemplarily shows a process in which the electronic device 100 gradually increases the preview angle of view presented by the image displayed in the preview frame 314.
- the electronic device 100 may gradually increase the preview angle of view presented by the image displayed in the preview frame 314. Specifically, the electronic device 100 may first use the image collected by the ordinary camera 193-1, and then use the image collected by the wide-angle camera 193-2. in:
- the electronic device 100 may first crop the image collected by the ordinary camera 193-1, and display the cropped image in the preview frame 314. Wherein, the electronic device 100 may crop images successively collected by the ordinary camera 193-1 for multiple times, until the preview angle of view presented by the image in the cropped area is the same as the angle of view of the ordinary camera 193-1. The cropping area of this multiple cropping is getting larger and larger.
- the above-mentioned multiple cropping process is a process in which the electronic device 100 performs multiple digital zooming.
- the first frame image displayed in the preview frame 314 of the electronic device 100 is the image shown in the first area.
- the image shown in the first area may be an image collected by a common camera 193-1, and its size may be a1*b1. That is to say, the preview angle of view presented by the image displayed in the preview frame 314 is the same as the angle of view of the ordinary camera 193-1, and the zoom magnification is 1X at this time.
- the electronic device 100 can increase the viewing angle of the photo preview. That is, the electronic device 100 can adjust from the image collected by the normal camera 193-1 to the image collected by the wide-angle camera 193-2.
- the electronic device 100 may first crop the image collected by the wide-angle camera 193-2, and display the cropped image in the preview frame 314.
- the electronic device 100 may crop the images successively collected by the wide-angle camera 193-2 for multiple times, until the preview angle of view presented by the image in the cropped area is the same as the angle of view of the wide-angle camera 193-2.
- the cropping area of this multiple cropping is getting larger and larger.
- the above-mentioned multiple cropping process is a process in which the electronic device 100 performs multiple digital zooming.
- the electronic device 100 first crops the image collected by the wide-angle camera 193-2 to obtain the second area exemplarily shown in FIG. 4A.
- the second frame image displayed by the electronic device 100 in the preview frame 314 may be the image shown in the second area, and at this time, the zoom magnification is 0.9X.
- the size of the image shown in the second area may be a2*b2. Among them, a2 is greater than a1, and b2 is greater than b1.
- the preview angle of view presented by the image shown in the second area is larger than the preview angle of view presented by the image shown in the first area.
- the electronic device 100 can still recognize the gesture of opening the palm and pushing forward, the electronic device 100 can continue to crop the image collected by the wide-angle camera 193-2 to obtain the image shown in the third area.
- the third frame image displayed in the preview frame of the electronic device 100 may be the image shown in the third area, and the zoom magnification is 0.8X at this time.
- the size of the image shown in the third area may be a3*b3, where a3 is greater than a2, and b3 is greater than b2.
- the preview angle of view presented by the image shown in the third area is larger than the preview angle of view presented by the image shown in the second area.
- the electronic device 100 can continue to crop the image collected by the wide-angle camera 193-2 to obtain the image shown in the fourth area, etc., until the electronic device 100
- the m-th frame image displayed by the device 100 in the preview frame 314 is the image shown in the m-th area.
- the zoom magnification is Wide.
- the preview angle of view presented by the image shown in the m-th area is as large as the angle of view of the wide-angle camera 193-2. In other words, the electronic device 100 increases the preview viewing angle presented by the image displayed in the preview frame 314 to the maximum.
- the electronic device 100 displays the image from the first frame to the m-th frame in the preview frame 314, if it fails to recognize the gesture of opening the palm and pushing forward, the electronic device 100 can stop the increase.
- the third frame image may be the image shown in the third area. Image, and the zoom magnification is 0.8X.
- the preview angle of view presented by the fourth frame image may be as large as the preview angle presented by the third frame image, and the zoom magnification is still 0.8X. In other words, the preview angle of view presented by the image displayed in the preview frame 314 stops increasing.
- the electronic device 100 also has a camera with a larger viewing angle than that of the wide-angle camera 193-2 (for example, an ultra-wide-angle camera), after the preview frame 314 displays the image shown in the m-th area in FIG. 4A, the electronic device 100 also The preview angle of view presented by the image displayed in the preview frame 314 can be continuously increased according to the recognized gesture of pushing forward with the open palm.
- the electronic device 100 may crop the image collected by the ultra-wide-angle camera, and display the cropped image in the preview frame 314.
- the electronic device 100 may crop images successively collected by the ultra-wide-angle camera multiple times, and the cropping area of the multiple cropping becomes larger and larger.
- the sizes of the images shown in the first area to the m-th area are not the same.
- the size of the preview frame 314 may be adjusted first. , Perform adaptation processing on these images. For example, if the size of the image is smaller than the size of the preview frame 314, the electronic device 100 may enlarge the length and width of the image so that the size of the image is the same as the size of the preview frame 314.
- the embodiment of the present application does not limit the manner in which the foregoing image and the preview frame 314 are adapted to be processed.
- the electronic device 100 crops the images collected by the camera 193 (for example, a normal camera 193-1, a wide-angle camera 193-2), all crops are cropped in the center.
- the center positions of the images shown in the first area to the m-th area exemplarily shown in FIG. 4A overlap.
- FIG. 4B exemplarily shows a process in which the electronic device 100 gradually reduces the preview viewing angle presented by the image displayed in the preview frame 314.
- the electronic device 100 may gradually reduce the preview angle of view presented by the image displayed in the preview frame 314. Specifically, the electronic device 100 may first use the image collected by the wide-angle camera 193-2, and then use the image collected by the ordinary camera 193-1. in:
- the electronic device 100 may first display the image collected by the wide-angle camera 193-2 in the preview box 314, and then crop the image collected by the wide-angle camera 193-2, and The cropped image is displayed in the preview box 314.
- the electronic device 100 may crop the images successively collected by the wide-angle camera 193-2 for multiple times, until the preview angle of view presented by the image in the cropped area is slightly larger than that of the ordinary camera 193-1.
- the cropping area of this multiple cropping is getting smaller and smaller.
- the above-mentioned multiple cropping process is a process in which the electronic device 100 performs multiple digital zooming.
- the first frame image displayed in the preview frame 314 of the electronic device 100 is the image shown in the first area.
- the image shown in the first area may be an image collected by the wide-angle camera 193-2, and its size may be a5*b5.
- the preview angle of view presented by the image displayed in the preview frame 314 is the same as the angle of view of the wide-angle camera 193-2, and the zoom magnification is Wide at this time.
- the electronic device 100 can gradually reduce the preview angle of view presented by the image displayed in the preview frame 314.
- the process of the electronic device 100 increasing the zoom magnification from Wide to 0.9X may be the reverse process of the electronic device 100 reducing the zoom magnification from 0.9X to Wide as shown in FIG. 4A, which will not be repeated here.
- the image of the n+1th frame displayed in the preview frame 314 by the electronic device 100 is the image shown in the n+1th area, and the zoom magnification is 0.9 at this time.
- the preview viewing angle presented by the image shown in the n+1th area is slightly larger than the viewing angle of the ordinary camera 193-1. If the gesture of making a fist and pulling back can still be recognized, the electronic device 100 can adjust from the image captured by the wide-angle camera 193-2 to the image captured by the ordinary camera 193-1.
- the electronic device 100 may first display the image collected by the ordinary camera 193-1 in the preview frame 314, and then crop the image collected by the ordinary camera 193-1, and The cropped image is displayed in the preview box 314. Among them, the electronic device 100 may crop the images successively collected by the ordinary camera 193-1 for multiple times, and the cropping area of the multiple cropping becomes smaller and smaller.
- the above-mentioned multiple cropping process is a process in which the electronic device 100 performs multiple digital zooming.
- the n+2th frame image displayed in the preview frame 314 by the electronic device 100 is the image shown in the n+2th area, and the zoom magnification is 1X at this time.
- the preview angle of view presented by the image shown in the n+2th area may be as large as the angle of view of the ordinary camera 193-1.
- the electronic device 100 can crop the image collected by the ordinary camera 193-1 to obtain the n+3th image.
- the n+3th frame image displayed in the preview frame 314 by the electronic device 100 may be the image shown in the n+3th area, and the zoom magnification is 1.1X at this time.
- the size of the image shown in the n+2th area is a1*b1
- the size of the image shown in the n+3th area is a6*b6.
- a6 is smaller than a1
- b6 is smaller than b1.
- the preview angle of view presented by the image shown in the n+3th area is smaller than the preview angle of view presented by the image shown in the n+2th area.
- the electronic device 100 may continue to crop the image collected by the ordinary camera 193-1, and display the cropped image in the preview box 314.
- the electronic device 100 can crop the images successively collected by the ordinary camera 193-1 for multiple times, and the cropping area of the multiple cropping becomes smaller and smaller.
- the image of the n+kth frame displayed in the preview frame 314 by the electronic device 100 is the image shown in the n+kth area, and at this time, the zoom magnification may be 2X.
- the size of the image shown in the n+k region is a7*b7. a7 is smaller than a6, and b7 is smaller than b6.
- the electronic device 100 displays the image from the 1st frame to the n+kth frame as shown in FIG. Stop reducing the preview angle of view presented by the image displayed in the preview box 314.
- the nth frame image may be the image shown in the nth area.
- Image, and the zoom magnification is 0.8X.
- the preview angle of view presented by the image of the n+1th frame is as large as the preview angle of view presented by the image of the nth frame, and the zoom magnification is still 0.8X. In other words, the preview viewing angle presented by the image displayed in the preview frame 314 stops decreasing.
- the electronic device 100 can gradually increase or decrease the angle of view by adjusting the camera used for shooting and the method of digital zoom.
- the electronic device 100 has only one front camera.
- This front camera can be a fixed focus camera or a zoom camera.
- a fixed-focus camera refers to a camera with a fixed focal length.
- a zoom camera refers to a camera that can perform optical zoom, and its focal length can be changed.
- the specific implementation of adjusting the preview viewing angle can be as follows:
- the electronic device 100 has a front fixed focus camera.
- the electronic device 100 can adjust to increase or decrease the preview angle of view presented by the image displayed in the preview frame 314 by means of digital zoom.
- the front fixed-focus camera may be a normal camera, a wide-angle camera, or an ultra-wide-angle camera.
- the electronic device 100 has a front zoom camera.
- the front zoom camera may include multiple lenses, and the electronic device 100 can change the focal length of the front zoom camera by adjusting the distance between the multiple lenses, thereby adjusting the preview angle of view presented by the image displayed in the preview frame 314.
- the electronic device 100 may adjust the distance between the multiple lenses to gradually increase the focal length of the front zoom camera. In this way, the viewing angle of the front zoom camera gradually decreases, and the preview viewing angle presented by the image displayed in the preview frame 314 also gradually decreases.
- the electronic device can adjust the distance between the multiple lenses to gradually reduce the focal length of the front zoom camera. In this way, the viewing angle of the front zoom camera gradually increases, and the preview viewing angle presented by the image displayed in the preview frame 314 also gradually increases.
- FIGS. 5A to 5O exemplarily show a user interface for adjusting the size of the preview angle of view in a pre-recording scene.
- Figures 5A to 5D exemplarily show the process of opening the front video recording interface.
- the electronic device 100 may display a user interface 310, which may be the user interface of the default photographing mode of the camera application.
- the preview box of the user interface displays the normal rear camera 193-3 for taking pictures.
- the electronic device 100 may display the recording preview interface 320 shown in FIG. 5B.
- the controls included in the video preview interface 320 are basically the same as those included in the user interface 310 for taking pictures.
- the video preview interface 320 may include a start video control 321.
- the electronic device 100 may display the video preview interface 320 shown in FIG. 5C.
- the preview box in the video preview interface 320 displays the front-facing common camera 193-1.
- the zoom magnification 313 is a one-fold magnification of 1X
- the preview angle of view presented by the image displayed in the preview frame 314 may be the same as the angle of view of the ordinary camera 193-1.
- the electronic device 100 can start recording a video and display the recording interface 330 shown in FIG. 5D.
- the controls in the video recording interface 330 are basically the same as the controls in the user interface 310 for taking pictures. The difference is that there is no camera mode option 315 in the recording interface 330, and a shutter control 322, an end recording control 323, a pause recording control 324, and a recording time control 325 can be displayed in the recording interface 330.
- the shutter control 322 can be used to trigger a photo, that is, the user can click the shutter control 322 to take a photo during the video recording process.
- the end video control 323 can be used to end video recording.
- the video recording pause control 324 can be used to temporarily stop recording video.
- the recording time control 325 may indicate the length of time of the currently recorded video. As shown in Fig. 5D, 00:05 is displayed in the recording time control 325, which means that 5 seconds of video has been recorded.
- 00:05 is displayed in the recording time control 325, which means that 5 seconds of video has been recorded.
- Figures 5D to 5F exemplarily show the user interface of the zoomed preview perspective in the front video recording scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of opening a palm and pushing forward) to enlarge the preview perspective.
- a specific gesture such as a gesture of opening a palm and pushing forward
- the electronic device 100 may gradually enlarge the preview angle of view presented by the image displayed in the preview frame 314. At the same time, the zoom magnification 313 displayed in the video interface 330 will gradually decrease.
- the zoom magnification 313 is one magnification 1X.
- the electronic device 100 recognizes the gesture of opening the palm and pushing forward, the preview angle of view presented by the image displayed in the preview frame 314 gradually increases, and the zoom magnification 313 gradually decreases.
- the zoom magnification is reduced from 1X to 0.9X, from 0.9X to 0.8X, and so on.
- the electronic device 100 recognizes the gesture of opening the palm and continuing to push forward, and the image displayed in the preview box 314 shows The preview angle of view is further enlarged, and the zoom magnification 313 is reduced to 0.7X.
- the electronic device 100 recognizes the gesture of opening the palm to further push forward, and the image displayed in the preview box 314 is shown
- the preview angle of view is further enlarged, and the zoom magnification 313 is reduced to 0.6X, for example, the Wide magnification.
- the zoom magnification 313 can be reduced from 1X to 0.9X, increased from 0.9X to 0.7X,..., gradually reduced to Wide magnification, and the image displayed in the preview frame 314
- the preview viewing angle presented gradually becomes larger.
- the user in the process of recording a video, the user can enlarge the preview perspective by opening the palm and pushing forward.
- Figs. 5G to 5I exemplarily show the user interface of the zoomed-in preview perspective in the front video recording scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of making a fist and pulling back) to reduce the preview perspective.
- a specific gesture such as a gesture of making a fist and pulling back
- the electronic device 100 may gradually reduce the preview angle of view presented by the image displayed in the preview frame 314. At the same time, the zoom magnification 313 displayed in the video interface 330 will gradually increase.
- the electronic device 100 recognizes the gesture of making a fist and pulling back, and the preview angle of view presented by the image displayed in the preview box 314 changes. Small, the zoom magnification 313 is increased to 0.8X.
- the electronic device 100 recognizes the gesture of making a fist and continuing to pull back, the preview angle of view presented by the image displayed in the preview frame 314 is further reduced, and the zoom magnification 313 is increased to 1X.
- the electronic device 100 recognizes the gesture of making a fist and continuing to pull back, the preview angle of view presented by the image displayed in the preview frame 314 is further reduced, and the zoom magnification 313 is increased. As large as 2X.
- the zoom magnification 313 can be increased from 1X to 1.1X, from 1.1X to 1.2X,..., gradually increased to 2X, and displayed in the preview box 314
- the preview angle of view presented by the image in the image gradually becomes smaller.
- the user in the process of recording a video, the user can narrow the preview perspective by making a fist and pulling it back.
- the electronic device 100 may determine the speed of adjusting the preview angle of view presented by the image displayed in the preview frame 314 according to the speed of pushing forward or pulling backward in the recognized gesture.
- the manner of determining the speed of adjusting the shooting angle of view presented by the image displayed in the preview frame 314 can refer to the description of adjusting the preview angle of view presented by the image displayed in the preview frame 314 when taking a photo, which will not be repeated here.
- Figures 5J to 50 show some user interfaces for playing recorded videos.
- the electronic device 100 can detect a user operation for ending video recording, for example, clicking on the ending video control 323, and saves a series of images successively displayed in the preview box 314 during the video recording as a video.
- the electronic device 100 may display a video playing interface 340 as shown in FIGS. 5J to 50.
- the video playback interface 340 may include an image display area 331, a time control 332, a pause control 333, a playback progress bar 334, a video playback time 335, and a total video duration 336. in:
- the image display area 331 can be used to display one frame of images included in the video.
- the time control 332 may indicate the recording time of the video. For example, February 9, 2020.
- the pause control 333 can be used to pause the playing of the video.
- the playback progress bar 334 can be used to compare the played time of the video with the total duration of the video, and indicate the progress of the video playback.
- the video elapsed time 335 may be used to indicate the elapsed time of the video.
- the total video duration 336 may be used to indicate the total duration of the video.
- the method provided in the embodiment of the present application can support the user to adjust the preview angle of view during the video recording process, so that the captured video image presents richer changes and enhances the shooting experience.
- 6A-6I exemplarily show a user interface for adjusting the size of the preview viewing angle in a rear camera scene.
- the electronic device 100 may use a rear camera to photograph a scene, but does not recognize the user's gesture without using the rear camera.
- the image displayed in the preview frame 314 comes from the rear camera.
- the electronic device 100 can turn on the front camera, use the images collected by the front camera to recognize the user's gesture, and respond to a specific gesture (such as a gesture of opening the palm and pushing forward) to enlarge the preview perspective.
- the electronic device 100 can detect the user's operation of turning on the “air camera” function, turn on the front camera, and recognize the aforementioned specific gesture through the image collected by the front camera.
- the function of “photographing in the air” means that the electronic device can turn on the front camera and recognize the aforementioned specific gestures through the images collected by the front camera, and adjust the size of the preview viewing angle once the aforementioned specific gestures are recognized.
- the embodiment of the present application has already explained in detail, and will not be repeated here.
- the electronic device 100 may display the user interface 350 as shown in FIGS. 6A-6B.
- the user interface 350 may include a return control 351, a resolution control 352, a geographic location control 353, a reference line control 354, a shooting mute control 355, a timer shooting control 356, a voice control shooting control 357, a touch camera control 358, a smiley face capture control 359, and Take a picture from the air" control 3510 and so on.
- the "air-to-air photography" control 3510 can be used for the user to turn on or off the "air-to-air photography" function.
- the controls for enabling functions such as “airborne photography” and “airborne video recording” may also be the shooting mode options displayed in the user interface 310, such as the “airborne photography” option , "Space Video” option.
- the electronic device 100 may display a user interface 310 as shown in FIG. 6C.
- the user interface 310 may include a prompt 341 and a prompt 342.
- the prompt 341 can be used to prompt the user which gesture can adjust the size of the preview viewing angle
- the prompt 342 can be a thumbnail of the image collected by the front camera.
- the embodiment of the present application does not limit the display timing of the prompt 341 and the prompt 342 of the electronic device 100, and the UI performance of the prompt 341.
- the function of “photographing in the air” can also be applied to the front camera scene, that is, after the function of “photographing in the air” is turned on, the electronic device will recognize the aforementioned specific gestures through the images collected by the front camera. Otherwise, even if the user is in the front When the aforementioned specific gesture is made during the photo preview, the electronic device will not respond to the gesture, that is, it will not adjust the size of the preview viewing angle.
- Figures 6C to 6E exemplarily show the user interface of a zoomed-in preview perspective in a rear camera scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of opening a palm and pushing forward) to enlarge the preview perspective.
- a specific gesture such as a gesture of opening a palm and pushing forward
- the electronic device 100 may gradually enlarge the preview view angle presented by the image displayed in the preview frame 314.
- the image in the preview box 314 comes from the rear camera.
- the zoom magnification 313 displayed in the rear camera preview interface 310 will gradually decrease.
- the initial zoom magnification 313 may be one magnification 1X, and the image displayed in the preview frame 314 comes from a normal rear camera. Thereafter, the electronic device 100 can recognize the gesture of opening the palm and pushing forward through the front camera, the preview angle of view presented by the image displayed in the preview frame 314 can gradually increase, and the zoom magnification 313 can gradually decrease. For example, the zoom magnification is reduced from 1X to 0.9X, from 0.9X to 0.8X, and so on.
- the electronic device 100 can recognize the gesture of opening the palm and continuing to push forward through the front camera, and the preview angle of view presented by the image displayed in the preview frame 314 is further changed.
- the zoom ratio 313 is reduced to 0.7X.
- the electronic device 100 can recognize the gesture of opening the palm to further push forward through the front camera, and the preview perspective of the image displayed in the preview frame 314 is then When it becomes larger, the zoom magnification 313 is reduced to 0.6X, for example, the Wide magnification.
- the zoom magnification 313 can be reduced from 1X to 0.9X, increased from 0.9X to 0.7X,..., gradually reduced to Wide magnification, and
- the preview viewing angle presented by the image displayed in the preview frame 314 gradually becomes larger.
- the user in the process of pre-photographing and previewing, the user can enlarge the preview perspective by opening the palm and pushing forward.
- FIGS. 6F to 6I exemplarily show the user interface of the zoomed-out preview viewing angle in the rear camera scene.
- the electronic device 100 can recognize the user's gesture through the image collected by the front camera, and respond to a specific gesture (such as a gesture of making a fist and pulling it back) to reduce the preview viewing angle.
- a specific gesture such as a gesture of making a fist and pulling it back
- the electronic device 100 may gradually reduce the preview angle of view presented by the image displayed in the preview frame 314.
- the image in the preview box 314 comes from the rear camera.
- the zoom magnification 313 displayed in the rear camera preview interface 310 will gradually increase.
- the initial zoom magnification 313 may be a wide magnification. Thereafter, the electronic device 100 can recognize the gesture of making a fist and pulling back through the front camera, the preview angle of view presented by the image displayed in the preview frame 314 becomes smaller, and the zoom magnification 313 is increased to 0.8X.
- the electronic device 100 can recognize the gesture of making a fist and continuing to pull back through the front camera, and the preview angle of view presented by the image displayed in the preview frame 314 is further reduced.
- the zoom magnification 313 is increased to 1X.
- the electronic device 100 can recognize the gesture of making a fist and continuing to pull back through the front camera, and the preview angle of view presented by the image displayed in the preview box 314 is further changed. Small, the zoom magnification 313 is increased to 2X.
- the electronic device 100 can recognize the gesture of making a fist through the front camera and then continue to pull it back, and the preview angle of view presented by the image displayed in the preview box 314 is further If it becomes smaller, the zoom magnification 313 is increased to 3X. At this time, the image displayed in the preview box 314 may come from the rear telephoto camera.
- the zoom magnification 313 can be increased from 1X to 1.1X, from 1.1X to 1.2X,..., gradually increased to 2X, and even further increased to 3X,
- the preview viewing angle presented by the image displayed in the preview frame 314 gradually becomes smaller.
- the user in the process of front camera preview, the user can narrow the viewing angle of the preview by making a fist and pulling it back, and can switch to the viewing angle of the rear telephoto camera to obtain a smaller viewing angle and clear images .
- the user can adjust the size of the preview angle of view presented by the image displayed in the preview box through a spaced and one-handed gesture.
- the photographing method of this solution allows the user to conveniently adjust the preview angle of view presented by the image displayed in the preview box.
- the user does not need to repeatedly bring the electronic device close and adjust the preview angle of view presented by the image displayed in the preview box by touching the screen of the electronic device with a finger.
- the user since the user does not need to touch the screen of the electronic device with a finger, the user can adjust the shooting angle of view displayed in the preview frame while feeling the impact of the change of the shooting angle of view in the preview frame on the shooting picture.
- the following describes a specific implementation manner of adjusting the preview angle of view when the electronic device 100 is rear-mounted to take pictures.
- the electronic device 100 has multiple rear cameras, for example, three front cameras.
- the three front cameras may include a normal camera 193-3, a wide-angle camera 193-4, and a telephoto camera 193-5.
- Stage 1 Increase the viewing angle during photo preview
- the electronic device 100 may gradually increase the preview angle of view presented by the image displayed in the preview frame 314. Specifically, the electronic device 100 may first use the image collected by the ordinary camera 193-3, and then use the image collected by the wide-angle camera 193-4.
- the foregoing implementation process reference may be made to the foregoing embodiment of FIG. 4A and the previous embodiment of increasing the viewing angle during the photo preview during the pre-photographing, which will not be repeated here.
- the electronic device 100 may gradually reduce the preview angle of view presented by the image displayed in the preview frame 314. Specifically, the electronic device 100 may first use the image collected by the wide-angle camera 193-4, and then use the image collected by the ordinary camera 193-3. For the specific implementation of the image captured by the wide-angle camera 193-4 and the image captured by the ordinary camera 193-3, refer to the foregoing embodiment of FIG. 4B and reducing the viewing angle during the photo preview during the front photo, which will not be omitted here. Go into details.
- the rear camera also includes a telephoto camera 193-5.
- the electronic device 100 can reduce the preview angle of view presented by the image displayed in the preview frame 314 to be smaller and farther.
- the electronic device 100 can perform colorful cropping on the image collected by the ordinary camera 193-3 first, and the cropping area of the multiple cropping becomes smaller and smaller.
- the electronic device 100 can adjust the image captured by the ordinary camera 193-3 to Images captured using the telephoto camera 193-5.
- the electronic device 100 may first display the image collected by the telephoto camera 193-5 in the preview frame 314, and then crop the image collected by the telephoto camera 193-5 , And display the cropped image in the preview box 314. Among them, the electronic device 100 may crop the images successively collected by the telephoto camera 193-5 multiple times, and the cropping area of the multiple cropping becomes smaller and smaller.
- the electronic device 100 when the electronic device 100 is in The image of the n+kth frame displayed in the preview box 314 is the image shown in the n+kth area, the current zoom magnification is 2X, and the gesture of making a fist to pull back is recognized, and the electronic device 100 displays the image in the preview box 314
- the n+k+1 frame image can be the image collected by the telephoto camera 193-5, and the zoom magnification can be increased to 2.1X.
- the electronic device When using the image captured by the telephoto camera 193-5, the electronic device first displays the image captured by the telephoto camera 193-5 in the preview frame 314, and then crops the image captured by the telephoto camera 193-5, and The cropped image is displayed in the preview box 314. Among them, the electronic device 100 may crop the images successively collected by the telephoto camera 193-5 multiple times, and the cropping area of the multiple cropping becomes smaller and smaller.
- the above-mentioned multiple cropping process is a process in which the electronic device 100 performs multiple digital zooming.
- the zoom magnification is gradually increased from 2.1X, for example, the zoom magnification can be increased from 2.1X to 2.2X,..., from 2.9X to 3X,....
- the user interface for adjusting the size of the preview angle in the rear video scene can refer to the user interface for adjusting the size of the preview angle in the front video scene, which will not be repeated here.
- the electronic device 100 can zoom in on the preview viewing angle, so that more The scene is included in the preview box.
- zooming in and previewing the viewing angle reference may be made to the foregoing embodiment, which will not be repeated here.
- the electronic device 100 may display the user interface 310 shown in FIG. 7A.
- the image displayed in the preview box in the user interface 310 comes from a common camera 193-1, and the preview angle of view is small.
- the image displayed in the preview box contains the image of the photographed subject, such as the face image of the photographed user.
- FIG. 7B when the user turns on the front camera to take a selfie, the user can extend his arm so that the user and the surrounding scenery can be included in the preview frame 314.
- the accelerometer in the electronic device 100 can detect the acceleration of the movement of the electronic device 100, and according to whether the image of the photographed object (for example, the photographed user's face image) is reduced within time t, It is determined whether the electronic device 100 is moving away from the user. If the image of the subject becomes smaller, it can be determined that the electronic device 100 is moving away from the user. Not limited to this, the electronic device 100 may only determine whether the electronic device 100 is far away from the user and the acceleration of the movement based on the motion data collected by the accelerometer.
- the electronic device 100 can also determine whether the electronic device 100 is far away from the user only according to whether the image of the subject becomes smaller or larger during the time t, and according to the degree to which the image of the subject becomes smaller or larger during the time t
- the acceleration of the movement of the electronic device 100 is determined. If the image of the subject is reduced within the time t, it is determined that the electronic device 100 is far away from the user. If the image of the subject becomes larger in time t, it is determined that the electronic device 100 is approaching the user. If the subject is a person, then: when the face image becomes smaller, the face recognition frame 343 displayed in the preview box will become smaller; conversely, when the face image becomes larger, the face recognition frame 343 displayed in the preview box becomes smaller. Will become larger accordingly.
- the electronic device 100 can enlarge the preview viewing angle, for example, the preview viewing angle presented by the image displayed in the preview frame 314 can gradually become larger The angle of view to the wide-angle camera 193-2.
- the user can zoom in the preview angle of view presented by the image displayed in the preview frame 314 to the angle of view of the wide-angle camera 193-2 by quickly extending the arm.
- the electronic device 100 can reduce the preview viewing angle.
- reducing the preview viewing angle reference may be made to the foregoing embodiment, which will not be repeated here.
- the electronic device 100 may display the user interface 310 shown in FIG. 7C.
- the image displayed in the preview box in the user interface 310 comes from the wide-angle camera 193-2, and the preview angle of view is relatively large.
- the accelerometer in the electronic device 100 can detect the acceleration of the movement of the electronic device 100, and determine whether the electronic device 100 is moving away from the user according to whether the image of the subject is reduced within time t, If the image of the subject becomes larger, it can be determined that the electronic device 100 is moving close to the user.
- the electronic device 100 may also determine whether the electronic device 100 is close to the user only according to whether the image of the photographed object is reduced or enlarged within the time t, and the electronic device 100 may be determined according to the degree to which the image of the photographed object is reduced or enlarged within the time t. The acceleration of the movement. If the image of the subject becomes larger in time t, it is determined that the electronic device 100 is approaching the user. If the image of the subject is reduced within the time t, it is determined that the electronic device 100 is far away from the user.
- the electronic device 100 can reduce the preview viewing angle.
- the preview viewing angle presented by the image displayed in the preview frame 314 can be gradually reduced to The viewing angle of the ordinary camera 193-1.
- front camera preview front video preview, or front video scene.
- the conditions mentioned in the above content that trigger the zoom in or zoom out of the preview view angle can also be applied to the rear camera preview, rear Set video preview or post video scene.
- the embodiment of the present application does not limit the manner of triggering the mobile electronic device 100 to zoom in or zoom out the preview viewing angle.
- the user can trigger the zoom in or zoom out of the preview viewing angle by a specific shaking gesture of shaking the electronic device.
- the electronic device 100 can recognize the number N1 of human faces included in the image displayed in the preview frame 314 as shown in FIG. 8A, and recognize the number N2 of human faces included in the image.
- the electronic device 100 can compare the sizes of N1 and N2. Where N1 is greater than N2, it may indicate that the preview angle presented by the image currently displayed in the preview frame 314 is small, and it is impossible to include both the face and the human body of the subject in the preview frame 314. At this time, the electronic device 100 can enlarge the preview angle of view, so that the face and the human body of the subject are included in the preview frame 314, that is, the subject can be better captured.
- the human body may be all of the human body, for example, including the upper body and the lower body, or it may be a range of the human body, such as the upper body.
- the electronic device 100 can recognize the human face and the human body included in the image in the preview frame 314 by means of machine learning.
- the embodiment of the present application does not limit the way of recognizing the face and recognizing the human body.
- the electronic device 100 may compare the size of the recognized face in the preview image with a preset threshold (for example, a pixel area of 30 ⁇ 40), and only count the faces larger than the preset threshold into the number of faces N1. In this way, the electronic device 100 can reduce the probability of zooming in the shooting angle of view due to the recognition of a passerby.
- a preset threshold for example, a pixel area of 30 ⁇ 40
- the electronic device 100 may display the user interface 310 as shown in FIG. 8A, and display the image collected by the normal-view camera 193-1 in the preview box 314.
- the user interface 310 may include a zoom magnification 313, a preview frame 314, and multiple face images.
- zoom magnification 313, the preview frame 314, and the face image reference may be made to the introduction of these controls in the foregoing embodiment, which will not be repeated here.
- the user interface 310 may also include more or fewer controls.
- the electronic device 100 can determine that the number of human faces N1 in the image is 3, and the number of human bodies N2 is 2. The sizes of these three faces are greater than the preset threshold. Since N1 is greater than N2, the electronic device 100 can gradually enlarge the preview presented by the image displayed in the preview frame 314 based on the preview angle of view presented by the image currently displayed in the preview frame 314 (such as the angle of view of the ordinary camera 193-1) Viewing angle, until the electronic device 100 recognizes that the number of faces N1 in the image displayed in the preview frame 314 after being enlarged is equal to the number of human bodies N2, or the preview view angle presented by the image displayed in the preview frame 314 has been enlarged to Maximum (such as the angle of view of the wide-angle camera 193-2).
- the electronic device 100 can enlarge the preview angle of view presented by the image displayed in the preview frame 314 to the angle of view of the wide-angle camera 193-2 .
- the electronic device 100 can recognize that the number N1 of human faces is 3, and the number N2 of human bodies is 3.
- the user interface 310 as shown in FIG. 8B may include multiple face images and a prompt 344 of the current perspective.
- the current viewing angle prompt 344 may be used to prompt the user that the viewing angle of the current wide-angle camera 193-2 has been changed to a wide-angle viewing angle.
- the current viewing angle prompt 344 may include a cancel control 344A.
- the electronic device 100 may adjust the preview angle of view presented by the image displayed in the preview frame 314 to the angle of view of the ordinary camera 193-1 shown in FIG. 8A.
- the electronic device can In response to a user operation on the cancel control 344A, the adjustment of the preview angle of view presented by the image displayed in the preview box 314 is canceled.
- the electronic device can zoom in the preview viewing angle, which provides convenience for the user to zoom in or zoom out the preview viewing angle, and the shooting is more efficient.
- the electronic device can enlarge the preview viewing angle, so that the image of the entire Statue of Liberty is included in the image in the preview frame.
- the following embodiments introduce the photographing method provided in the present application. As shown in Figure 9, the method may include:
- Phase 1 Open the photo preview interface
- the electronic device 100 starts a camera application.
- the electronic device 100 may detect a touch operation (such as a click operation on the icon 215D) acting on the camera icon 215D as shown in FIG. 2C, and start the camera application in response to the operation.
- a touch operation such as a click operation on the icon 215D
- the electronic device 100 may detect a touch operation (such as a click operation on the icon 215D) acting on the camera icon 215D as shown in FIG. 2C, and start the camera application in response to the operation.
- S102 The electronic device 100 activates the first camera and the second camera.
- the first camera may be a front camera, which may be used to collect images of the user.
- the second camera can be a front camera or a rear camera.
- the second camera can be used to capture images of the scene.
- the second camera may be a front camera or a rear camera.
- the second camera in a front camera scene, the second camera is a front camera; in a rear camera scene, the second camera is a rear camera.
- the second camera may be a camera, for example, a common camera.
- the second camera may also be multiple cameras with different optical angles of view, such as five cameras of an ultra-telephoto camera, a telephoto camera, a normal camera, a wide-angle camera, and an ultra-wide-angle camera.
- the second camera and the first camera may be the same camera, for example, a front wide-angle camera or a front common camera.
- the electronic device 100 displays a preview interface, and the first image from the second camera is displayed in the preview interface.
- the first image is cropped from the image collected by the second camera.
- the preview interface includes multiple controls such as a zoom ratio 313, a preview frame 314, a camera mode option 315, a shutter control 317, and a camera flip control 318.
- controls such as a zoom ratio 313, a preview frame 314, a camera mode option 315, a shutter control 317, and a camera flip control 318.
- the functions of these controls can be referred to the description in the foregoing UI embodiment, which will not be repeated here.
- the first image displayed in the preview frame 314 may be cropped by the electronic device from the image collected by the second camera.
- the center position of the preview image displayed in the preview frame 314 may coincide with the center position of the image collected by the second camera.
- the first image displayed in the preview box 314 is obtained by a center cropping method.
- the preview image displayed in the preview frame 314 may be the image collected by the second camera.
- preview images from the camera displayed in the preview interface mentioned in this method are all cropped from the images collected by the camera.
- Phase 2 (S104-S105): Increase the viewing angle during photo preview
- the electronic device 100 detects the first gesture by the user through the first camera.
- the electronic device 100 may detect that the user indicates the first gesture. Specifically, the electronic device 100 may collect the image and depth information of the user's hand through the first camera. When the image of the hand includes an image with an open palm, and the depth information indicates that the hand is close to the first camera, the electronic device 100 can determine that the user indicates the first gesture.
- the above-mentioned first gesture is the gesture of opening the palm and pushing forward mentioned in the above-mentioned embodiment.
- the electronic device 100 may display a second image from the second camera in the preview interface, where the viewing angle of the second image is larger than the viewing angle of the first image.
- the viewing angle of the second image displayed in the preview interface may gradually become larger.
- the specific implementation may include: the electronic device successively displays M second images from the second camera in the preview interface, and the viewing angle of the M second images gradually becomes larger.
- M is a positive integer greater than or equal to 2.
- the second camera may include H cameras with different viewing angles, and the H cameras are front cameras or rear cameras.
- the second image displayed in the preview interface may come from the H cameras with the viewing angles from small to large.
- H is a positive integer greater than or equal to 2.
- H is 2, that is, the second camera includes two cameras with different viewing angles.
- the two cameras may be the third camera and the fourth camera, respectively.
- the angle of view of the fourth camera is larger than that of the third camera.
- the first image may be from the third camera, and the second image may be from the fourth camera.
- the third camera and the fourth camera may both be front cameras or both rear cameras.
- the electronic device 100 may successively display multiple preview images from a common camera on the preview interface, and then continue to successively display multiple preview images from the wide-angle camera on the preview interface.
- the preview angle of view presented by each of the multiple preview images from the ordinary camera may gradually become larger.
- the preview angle of view presented by each of the multiple preview images from the wide-angle camera may gradually become larger.
- the multiple preview images from the ordinary camera and the multiple preview images from the wide-angle camera may constitute M preview images of the second camera.
- the preview angle presented by the last image displayed among the multiple preview images from the ordinary camera is smaller than the preview angle presented by the first image displayed among the multiple preview images from the wide-angle camera.
- the image displayed first among the multiple preview images from the ordinary camera may be the same as the image displayed first among the M preview images of the second camera.
- the last image displayed in the multiple preview images from the wide-angle camera is the same as the last image displayed in the M preview images of the second camera.
- the electronic device 100 can increase the viewing angle of the photo preview.
- the electronic device 100 can increase the viewing angle of the photo preview.
- Stage 3 Reduce the viewing angle during photo preview
- the electronic device 100 detects the second gesture by the user through the first camera.
- the electronic device 100 may detect that the user indicates the second gesture. Specifically, the electronic device 100 may collect the image and depth information of the user's hand through the first camera. When the image of the hand includes an image of a fisted hand, and the depth information indicates that the hand is far away from the first camera, the electronic device 100 can determine that the user indicates the second gesture.
- the aforementioned first gesture is that the user's hand is making a fist and the user's hand is away from the first camera.
- the electronic device 100 displays the fourth image from the second camera in the preview interface during the second gesture by the user, and the angle of view of the fourth image is smaller than the angle of view of the second image.
- the viewing angle of the second image displayed in the preview interface may gradually become smaller.
- the specific implementation may include: the electronic device successively displays N fourth images from the second camera in the preview interface, and the angle of view of the N fourth images gradually becomes smaller.
- N is a positive integer greater than or equal to 2.
- the second camera may include H cameras with different viewing angles, and the H cameras are front cameras or rear cameras.
- the fourth image displayed in the preview interface may come from the H cameras in descending view angles.
- H is a positive integer greater than or equal to 2.
- H is 2, that is, the second camera includes two cameras with different viewing angles.
- the two cameras may be the third camera and the fourth camera, respectively.
- the angle of view of the fourth camera is larger than that of the third camera.
- the fourth image may be from the third camera, and the second image may be from the fourth camera.
- the electronic device 100 may successively display multiple preview images from the wide-angle camera on the preview interface, and then continue to successively display multiple preview images from the normal camera on the preview interface.
- the preview angle of view presented by each of the multiple preview images from the ordinary camera may gradually become smaller.
- the preview angle of view presented by each of the multiple preview images from the wide-angle camera may gradually become smaller.
- the multiple preview images from the wide-angle camera and the multiple preview images from the ordinary camera may constitute N preview images of the second camera.
- the preview angle presented by the last image displayed among the multiple preview images from the wide-angle camera is greater than the preview angle presented by the first image displayed among the multiple preview images from the ordinary camera.
- the first image displayed among the plurality of preview images from the wide-angle camera is the same as the first image displayed among the N preview images of the second camera.
- the last image displayed among the plurality of preview images from the ordinary camera is the same as the last image displayed among the N preview images of the second camera.
- the electronic device 100 can reduce the viewing angle of the photo preview.
- the electronic device 100 can reduce the viewing angle of the photo preview.
- Phase 4 (S108-S109): Trigger to take a picture, save the picture
- the electronic device 100 detects a user operation indicating that a photo is triggered.
- the above-mentioned user operation for instructing to trigger a photo may be a click operation acting on the shutter control 317 as shown in FIG. 3A.
- the user operation that instructs to trigger a photo may be a smiling face recognized by the electronic device 100 in the preview image displayed on the preview interface. Even if it is said, the user can trigger a photo by smiling.
- the embodiment of the present application does not limit the time when the electronic device 100 detects the user operation that instructs to trigger the photographing.
- the electronic device 100 may detect a user operation indicating that a photo is triggered after the above-mentioned stage 2, that is, after the viewing angle of the photo preview is increased.
- the electronic device 100 may detect a user operation indicating triggering of a photo after the above-mentioned stage 3, that is, after the viewing angle during the photo preview is reduced.
- the electronic device 100 may first go through the above-mentioned stage 2 and then after the above-mentioned stage 3, that is, first increase the viewing angle during the photo preview, and then reduce the viewing angle during the photo preview, and then detect a user operation instructing to trigger the photo.
- the electronic device 100 may also detect a user operation indicating triggering of a photograph after first passing through the aforementioned stage 3 and then after passing through the aforementioned stage 2, that is, after the viewing angle during the photo preview is reduced, and then the viewing angle during the photo preview is increased.
- the electronic device 100 saves the third image from the second camera displayed on the preview interface as a picture.
- the electronic device 100 only performs the above-mentioned stage 2, and after performing the above-mentioned stage 2, a user operation that instructs to trigger a photograph is detected.
- the angle of view of the third image may be as large as the angle of view of the second image.
- the electronic device 100 detects a user operation that instructs to trigger a photograph after performing the above-mentioned stage 2 and stage 3 successively.
- the angle of view of the third image may be the same as the angle of view of the fourth image.
- the electronic device 100 only performs the above-mentioned stage 3, and after performing the above-mentioned stage 3, a user operation that instructs to trigger a photo is detected.
- the angle of view of the third image may be smaller than that of the first image.
- the electronic device 100 detects a user operation that instructs to trigger a photograph after performing the above-mentioned stage 3 and stage 2 successively.
- the angle of view of the third image may be the same as the angle of view of the first image.
- the photographing method provided by the embodiment of the present application can allow the user to adjust the size of the preview angle of view presented by the image displayed in the preview box through a gesture with one hand in the air.
- the photographing method of this solution allows the user to conveniently adjust the preview angle of view presented by the image displayed in the preview box. In this way, the user does not need to repeatedly bring the electronic device close and adjust the preview angle of view presented by the image displayed in the preview box by touching the screen of the electronic device with a finger.
- the scene displayed in the preview box is generally not what the user wants to take.
- the shooting method of this solution allows the user to feel the change of the scene displayed in the preview frame while adjusting the preview angle of view presented by the image displayed in the preview frame.
- the change of the scene displayed in the preview frame is generally what the user wants to shoot. In this way, the user can quickly obtain the desired view while adjusting the preview angle of view presented by the image displayed in the preview box.
- the methods for increasing or reducing the viewing angle during photo preview in the above steps S101-S107 are also applicable to increasing or reducing the viewing angle during video preview, and increasing or reducing the viewing angle during video recording.
- the electronic device 100 may save the preview image displayed on the preview interface during the recording process as a video.
- the electronic device 100 can detect the first gesture and the second gesture during the recording process, thereby increasing or reducing the viewing angle during the recording process.
- the electronic device 100 can detect the first gesture and the second gesture during the recording process, thereby increasing or reducing the viewing angle during the recording process.
- the electronic device 100 can play a video that is saved after the recording is finished. It can be seen from the video playback interface shown in FIGS. 5J to 50 that the preview angle of view presented by the preview image gradually increases during the user's first gesture, and gradually decreases during the user's second gesture. For a specific implementation manner, reference may be made to the aforementioned UI embodiments in FIG. 5J to FIG. 50.
- the photographing method provided in the embodiment of the present application can also realize the function of switching to a larger viewing angle (such as the viewing angle of a wide-angle camera) in one step.
- the viewing angle of the second image may be as large as the first viewing angle, wherein the first viewing angle
- the angle of view is the same as that of the wide-angle camera, or the first angle of view is the same as the angle of view of the ultra-wide-angle camera, or the difference between the first angle of view and the angle of view of the wide-angle camera is smaller than the first value, or the first angle of view and the ultra-wide
- the difference between the viewing angles of the wide-angle camera is smaller than the second value.
- the difference between the first angle of view and the angle of view of the wide-angle camera is smaller than the first value means that the first angle of view is very close to the angle of view of the wide-angle camera, and the difference between the angle of view of the first angle of view and the ultra-wide angle camera is smaller than the second value. Refers to the first viewing angle very close to the viewing angle of the ultra-wide-angle camera.
- the above-mentioned first angle of view may be the angle of view of a wide-angle camera.
- the electronic device can collect the depth information of the user's hand through the first camera.
- the depth information may indicate that the user's hand is close to the first camera.
- the electronic device can calculate the speed at which the user's hand approaching the first camera when the user signals the first gesture.
- the electronic device can switch to the angle of view of the wide-angle camera in one step in the preview interface (ie, the first angle of view).
- the user can open the palm of the user to push forward quickly, and when the speed of pushing forward exceeds the above-mentioned first speed, it can switch to a larger viewing angle in one step, such as the viewing angle of a wide-angle camera, to achieve rapid switching of viewing angles.
- the photographing method provided by the embodiment of the present application can also be switched to a function of a smaller angle of view (such as the angle of view of a normal camera) in one step.
- the angle of view of the fourth image may be as large as the angle of view of the first image.
- the electronic device 100 may collect the depth information of the user's hand through the first camera.
- the depth information may indicate that the user's hand is far away from the first camera.
- the electronic device 100 may calculate the speed at which the user's hand is away from the first camera when the user signals the second gesture.
- the speed of the user's hand moving away from the first camera exceeds the second speed, and the electronic device 100 can switch to the view angle of the normal camera in one step in the preview interface.
- the user can make a fist and quickly pull forward.
- the speed of pulling backward exceeds the second speed, it can switch to a smaller angle of view in one step, such as the angle of view of a normal camera, to achieve rapid switching of angle of view.
- the term “when” can be interpreted as meaning “if" or “after” or “in response to determining" or “in response to detecting".
- the phrase “when determining" or “if detected (statement or event)” can be interpreted as meaning “if determined" or “in response to determining" or “when detected (Condition or event stated)” or “in response to detection of (condition or event stated)”.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
- the usable medium may be a magnetic medium, (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state hard disk).
- the process can be completed by a computer program instructing relevant hardware.
- the program can be stored in a computer readable storage medium. , May include the processes of the above-mentioned method embodiments.
- the aforementioned storage media include: ROM or random storage RAM, magnetic disks or optical disks and other media that can store program codes.
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Abstract
Description
Claims (32)
- 一种拍照方法,应用于包括屏幕、第一摄像头和第二摄像头的电子设备,所述第一摄像头和所述屏幕设置于所述电子设备的同一面,其特征在于,包括:所述电子设备开启所述第一摄像头和所述第二摄像头;所述电子设备在所述屏幕中显示预览界面,所述预览界面中显示有来自所述第二摄像头的第一图像;所述电子设备通过所述第一摄像头检测到所述用户示意第一手势;所述电子设备在所述预览界面中显示来自所述第二摄像头的第二图像,所述第二图像的视角大于所述第一图像的视角;所述电子设备检测到第一用户输入;所述电子设备将所述预览界面中显示的来自所述第二摄像头的第三图像保存为图片或视频。
- 根据权利要求1所述的方法,其特征在于,在所述预览界面中显示的来自所述第二摄像头的所述第二图像的视角逐渐变大。
- 根据权利要求1或2所述的方法,其特征在于,所述第二摄像头包括第三摄像头和第四摄像头,所述第四摄像头的视角大于所述第三摄像头的视角;所述第一图像来自所述第三摄像头,所述第二图像来自所述第四摄像头。
- 根据权利要求1-3中任一项所述的方法,其特征在于,所述第二摄像头包括视角大小不同的H个摄像头,所述H个摄像头为前置摄像头或后置摄像头,在所述预览界面中显示的所述第二图像先后来自视角从小到大的所述H个摄像头;H是正整数,H大于等于2。
- 根据权利要求1-4中任一项所述的方法,其特征在于,所述第三图像的视角和所述第二图像的视角一样大。
- 根据权利要求1-5中任一项所述的方法,其特征在于,还包括:所述电子设备通过所述第一摄像头检测到所述用户示意第二手势;所述电子设备在所述预览界面中显示来自所述第二摄像头的第四图像,所述第四图像的视角小于所述第二图像的视角。
- 根据权利要求6所述的方法,其特征在于,在所述预览界面中显示的来自所述第二摄像头的所述第四图像的视角逐渐变小。
- 根据权利要求6或7所述的方法,其特征在于,所述第二摄像头包括第三摄像头和第四摄像头,所述第四摄像头的视角大于所述第三摄像头的视角;所述第四图像来自所述第三摄像头,所述第二图像来自所述第四摄像头。
- 根据权利要求6-8中任一项所述的方法,其特征在于,所述第二摄像头包括视角大小不同的H个摄像头,所述H个摄像头为前置摄像头或后置摄像头,在所述预览界面中显示的所述第四图像先后来自视角从大到小的所述H个摄像头;H是正整数,H大于等于2。
- 根据权利要求6-9中任一项所述的方法,其特征在于,所述第三图像的视角和所述第四图像的视角一样大。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述通过所述第一摄像头检测到所述用户示意第一手势,具体包括:通过所述第一摄像头采集所述用户的手部的图像和深度信息;当所述图像中包含手掌张开的图像,且根据所述深度信息指示出所述手部在靠近所述第一摄像头,则检测到所述用户示意第一手势;所述第一手势包括:所述用户张开手掌并且所述用户的手部靠近所述第一摄像头。
- 根据权利要求6-10中任一项所述的方法,其特征在于,所述通过所述第一摄像头检测到所述用户示意第二手势,具体包括:通过所述第一摄像头采集所述用户的手部的图像和深度信息;当所述图像中包含手部握拳的图像,且根据所述深度信息指示出所述手部在远离所述第一摄像头,则检测到所述用户示意第二手势;所述第二手势包括:所述用户的手部握拳并且所述用户的手部远离所述第一摄像头。
- 根据权利要求1所述的方法,其特征在于,如果所述用户在做所述第一手势时所述用户的手部靠近所述第一摄像头的速度超过第一速度,则所述第二图像的视角和第一视角一样大,其中,所述第一视角和广角摄像头的视角一样大,或者所述第一视角和超广角摄像头的视角一样大,或者所述第一视角和广角摄像头的视角之间的差值小于第一值,或者所述第一视角和超广角摄像头的视角之间的差值小于第二值。
- 根据权利要求6所述的方法,其特征在于,如果所述用户在做所述第二手势时所述用户的手部远离所述第一摄像头的速度超过第二速度,则所述第四图像的视角和所述第一图像的视角一样大。
- 根据权利要求3或8所述的方法,其特征在于,所述第四摄像头为前置广角摄像头,或后置广角摄像头。
- 根据权利要求1-15中任一项所述的方法,其特征在于,所述第一摄像头包括前置摄像头。
- 根据权利要求16所述的方法,其特征在于,所述第二摄像头和所述第一摄像头为同一个摄像头。
- 一种拍照方法,应用于包括屏幕、摄像头的电子设备,其特征在于,包括:所述电子设备开启所述摄像头;所述电子设备在所述屏幕中显示预览界面,所述预览界面中显示有来自所述摄像头的第一图像;所述电子设备检测到所述电子设备在做第一移动,所述第一移动为所述电子设备在做远离被拍摄对象的移动且在所述电子设备的移动速度超过第一速度;所述电子设备在所述预览界面中显示来自所述摄像头的第二图像,所述第二图像的视角大于所述第一图像的视角;所述电子设备检测到第二用户输入;所述电子设备将所述预览界面中显示的来自所述摄像头的第三图像保存为图片或视频。
- 根据权利要求18所述的方法,其特征在于,在所述预览界面中显示的来自所述摄像头的所述第二图像的视角逐渐变大。
- 根据权利要求18或19所述的方法,其特征在于,所述电子设备检测到所述电子设备在做第一移动,具体包括:所述电子设备检测到所述被拍摄对象图像变小时,确定所述电子设备在做远离所述被拍摄对象的移动;如果单位时间内所述被拍摄对象图像变小的程度超过第一值时,则确定所述电子设备的移动速度超过第一速度。
- 根据权利要求18-20中任一项所述的方法,其特征在于,所述电子设备检测到所述电子设备在做第一移动,具体包括:所述电子设备通过运动传感器检测到所述电子设备在做远离所述被拍摄对象的移动且所述电子设备的移动速度超过第一速度。
- 根据权利要求18-21中任一项所述的方法,其特征在于,所述第三图像的视角和所述第二图像的视角一样大。
- 根据权利要求18-22中任一项所述的方法,其特征在于,还包括:所述电子设备检测到所述电子设备在做第二移动,所述第二移动为所述电子设备在做靠近被拍摄对象的移动且在所述电子设备的移动速度超过第二速度;所述电子设备在所述预览界面中显示来自所述摄像头的第四图像,所述第四图像的视角小于所述第二图像的视角。
- 根据权利要求23所述的方法,其特征在于,在所述预览界面中显示的来自所述摄像头的所述第四图像的视角逐渐变小。
- 根据权利要求22-24中任一项所述的方法,其特征在于,所述第三图像的视角和所述第四图像的视角一样大。
- 根据权利要求22-25中任一项所述的方法,其特征在于,所述电子设备检测到所述电子设备在做第二移动,具体包括:所述电子设备检测到所述被拍摄对象图像变大时,确定所述电子设备在做靠近所述被拍摄对象的移动;如果单位时间内所述被拍摄对象图像变大的程度超过第一值时,则确定所述电子设备的移动速度超过第二速度。
- 根据权利要求22-26中任一项所述的方法,其特征在于,所述电子设备检测到所述电子设备在做第一移动,具体包括:所述电子设备通过运动传感器检测到所述电子设备在做靠近所述被拍摄对象的移动且所述电子设备的移动速度超过第二速度。
- 一种拍照方法,应用于包括屏幕、摄像头的电子设备,其特征在于,包括:所述电子设备开启所述摄像头;所述电子设备在所述屏幕中显示预览界面,所述预览界面中显示有来自所述摄像头的第一图像;所述电子设备检测到所述第一图像中包含的人脸个数N1大于所述第一图像中包含的人体个数N2;N1、N2是正整数;所述电子设备在所述预览界面中显示来自所述摄像头的第二图像,所述第二图像的视角大于所述第一图像的视角;所述电子设备检测到第二用户输入;所述电子设备将所述预览界面中显示的来自所述摄像头的第三图像保存为图片或视频。
- 根据权利要求28所述的方法,其特征在于,在所述预览界面中显示来自所述摄像头的第二图像的视角逐渐变大。
- 一种电子设备,其特征在于,包括屏幕、第一摄像头、第二摄像头、存储器以及耦合于所述存储器的处理器,多个应用程序,以及一个或多个程序;其中,所述第一摄像头和所述屏幕设置于所述电子设备的同一面,所述处理器在执行所述一个或多个程序时,使得所述电子设备实现如权利要求1至29任一项所述的方法。
- 一种计算机设备,包括存储器、处理器以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,其特征在于,所述处理器执行所述计算机程序时使得所述计算机设备实现如权利要求1至29任一项所述的方法。
- 一种计算机可读存储介质,包括指令,其特征在于,当所述指令在电子设备上运行时,使得所述电子设备执行如权利要求1至29任一项所述的方法。
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