WO2023036313A1 - 图像拍摄方法、装置、计算机设备及存储介质 - Google Patents
图像拍摄方法、装置、计算机设备及存储介质 Download PDFInfo
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- WO2023036313A1 WO2023036313A1 PCT/CN2022/118221 CN2022118221W WO2023036313A1 WO 2023036313 A1 WO2023036313 A1 WO 2023036313A1 CN 2022118221 W CN2022118221 W CN 2022118221W WO 2023036313 A1 WO2023036313 A1 WO 2023036313A1
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000004044 response Effects 0.000 claims abstract description 36
- 238000004590 computer program Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 13
- 230000006870 function Effects 0.000 description 13
- 238000012545 processing Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000009977 dual effect Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
Definitions
- the embodiments of the present application relate to the field of computer technology, and in particular to an image capturing method, device, computer equipment, and storage medium.
- Embodiments of the present application provide an image capturing method, device, computer equipment, and storage medium, which can ensure the quality of captured images.
- the technical solution is as follows:
- an image capturing method comprising:
- Detecting an operation instruction to the first image acquisition device where the operation instruction is a start instruction or a shooting mode switching instruction
- the second image acquisition device captures an image, and determines target shooting parameters based on the image characteristics of the captured image
- an image capturing device comprising:
- An instruction detection module configured to detect an operation instruction to the first image acquisition device, where the operation instruction is a start instruction or a shooting mode switching instruction;
- a parameter determination module configured to capture an image by the second image acquisition device in response to the operation instruction, and determine target shooting parameters based on the image characteristics of the captured image
- An image capture module configured to capture an image based on the target capture parameters through the first image capture device.
- a computer device includes a processor and a memory; the memory stores at least one computer program, and the at least one computer program is used to be used by the processor Execute to realize the image capturing method as described in the above aspects.
- a computer-readable storage medium stores at least one computer program, and the at least one computer program is used to be executed by a processor to implement the above aspects. image capture method.
- a computer program product stores at least one computer program, and the at least one computer program is loaded and executed by a processor to realize the image capture described in the above aspect method.
- Fig. 1 shows a structural block diagram of a computer device provided by an exemplary embodiment of the present application
- FIG. 2 shows a flowchart of an image capturing method provided by an exemplary embodiment of the present application
- FIG. 3 shows a flow chart of an image capturing method provided by an exemplary embodiment of the present application
- Fig. 4 shows a schematic diagram of an image capturing process provided by an exemplary embodiment of the present application
- Fig. 5 shows a structural block diagram of an image acquisition device provided by an exemplary embodiment of the present application
- FIG. 6 shows a structural block diagram of an image capturing device provided in an exemplary embodiment of the present application
- Fig. 7 shows a structural block diagram of a computer device provided by an exemplary embodiment of the present application.
- Fig. 8 shows a structural block diagram of a computer device provided by an exemplary embodiment of the present application.
- the "plurality” mentioned herein means two or more.
- “And/or” describes the association relationship of associated objects, indicating that there may be three types of relationships, for example, A and/or B may indicate: A exists alone, A and B exist simultaneously, and B exists independently.
- the character “/” generally indicates that the contextual objects are an "or” relationship.
- first, second, third, “fourth” and the like used in the present application may be used herein to describe various concepts, but unless otherwise specified, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another. For example, a first target area could be termed a target area, and, similarly, a second target area could be termed a first target area, without departing from the scope of the present application.
- An embodiment of the present application provides an image capturing method, the method comprising:
- the first image acquisition device captures an image based on the target shooting parameters.
- the image in response to the operation instruction, is captured by the second image acquisition device, and the target shooting parameters are determined based on the image characteristics of the captured image, including:
- the image is captured by the second image acquisition device, and the current shooting parameters of the second image acquisition device are adjusted based on the image characteristics of the image;
- the adjusted shooting parameters are determined as target shooting parameters.
- determining the adjusted shooting parameters as target shooting parameters includes:
- the current shooting parameters of the second image acquisition device are determined as the target shooting parameters.
- capturing an image by a second image acquisition device includes:
- the method further includes:
- the third image acquisition device is any image acquisition device that has the same shooting range as the first image acquisition device.
- the original shooting parameters of the second image acquisition device include at least one of the original shooting frame rate or the original resolution
- Capture an image by a second image acquisition device comprising:
- the second image acquisition device captures images according to the adjusted shooting parameters.
- the method further includes at least one of the following:
- the embodiment of the present application provides an image capturing method, which is executed by a computer device 100, and the computer device 100 can capture high-quality images through the method provided in the present application.
- the computer device 100 is a terminal, such as a mobile phone, a video camera, a desktop computer, a notebook computer, a tablet computer, and other types of terminals.
- the computer device 100 includes a first image acquisition device 101 and a second image acquisition device 102 .
- the shooting ranges of the first image capture device 101 and the second image capture device 102 are consistent.
- the second image acquisition device 102 may first pass the to capture an image, and determine a shooting parameter based on the captured image. After the first image capture device 101 is turned on, the shooting parameter can be used directly to capture an image.
- the computer device 100 further includes other image acquisition devices besides the first image acquisition device 101 and the second image acquisition device 102 .
- the computer device 100 can capture images through any one or more image acquisition devices among the multiple image acquisition devices, which is not limited in this embodiment of the present application.
- the image capture method provided in the embodiment of the present application can be applied in a scene where the image capture device is turned on.
- the terminal uses the time when the first image acquisition device 101 is turned on to first capture an image through the second image acquisition device 102, determine the shooting parameters based on the image characteristics of the image, and then When the acquisition device 101 is turned on, the first image acquisition device 101 directly captures an image based on the shooting parameters. Since the photographing parameters are determined based on the currently photographed image, the photographing parameters are highly adaptable to the current photographing scene, so the quality of the image photographed by the first image acquisition device 101 can be guaranteed.
- the image acquisition device generally captures images based on default shooting parameters, and since the shooting parameters are fixed, the quality of the captured images cannot be guaranteed.
- the image capturing method provided in the embodiment of the present application can also be applied in the scene of switching the shooting mode, for example, when the first image capturing device 101 is in the on state, the user triggers to switch the shooting mode of the first image capturing device 101,
- the terminal uses the first image acquisition device 101 to switch modes, it first takes an image through the second image acquisition device 102, determines the shooting parameters based on the image characteristics of the image, and then when the mode switching of the first image acquisition device 101 is completed, Through the first image acquisition device 101, an image is captured directly based on the shooting parameters.
- the image capturing method provided in the embodiment of the present application can also be applied in other scenarios, such as the scene of capturing video, which is not limited in the embodiment of the present application.
- Fig. 2 shows a flow chart of an image capturing method provided by an exemplary embodiment of the present application. Referring to Fig. 2, the method includes:
- the terminal detects an operation instruction to the first image acquisition device, where the operation instruction is an instruction to turn on or an instruction to switch a shooting mode.
- the start command is used to turn on the first image capture device when the first image capture device is in an off state.
- the shooting mode switch command is used to switch the current switching mode of the first image capture device when the first image capture device is in an on state.
- the operation instruction can also be other instructions, which is not limited in this embodiment of the present application.
- the first image capture device has multiple shooting modes, for example, portrait mode, landscape mode, night scene mode, gourmet food mode, photographing mode, video recording mode and so on.
- the first image acquisition device does not capture images during the mode switching process.
- the first image acquisition device is any camera in the terminal, for example, a front camera, a rear camera, etc., which is not limited in this embodiment of the present application.
- the terminal captures an image through the second image acquisition device, and determines target shooting parameters based on image features of the captured image.
- the second image acquisition device is an image acquisition device whose shooting range is consistent with that of the first image acquisition device.
- both the second image acquisition device and the first image acquisition device are front cameras, or both are rear cameras.
- the second image acquisition device is in an open state, that is, the terminal can directly capture images through the second image acquisition device without restarting the second image acquisition device in response to the operation instruction.
- the image features include image content features and image quality features.
- the image content feature is a feature that can reflect the image content.
- image content characteristics include the number of people in the image, the proportion of buildings in the image, the proportion of landscape in the image, whether the scene of the image is daytime or night, etc.
- the image quality feature is a feature that can reflect image quality, for example, the image quality feature includes image definition, brightness, color, and so on. If the definition of the image is high, the brightness is within the threshold range, and the deviation between the color and the actual color of the object in the image is within the threshold range, it indicates that the image quality of the image is high, while the image definition is low, the brightness is not within the threshold range, and the color and image are in the same range. The deviation of the actual color of the object is not within the threshold range, indicating that the image quality of the image is low.
- Capture parameters can determine the quality of captured images.
- the shooting parameters include arbitrary parameters, for example, focusing parameters, exposure parameters, white balance parameters and the like.
- the focus parameter is used to indicate the focused object in the captured image
- the exposure parameter is used to indicate the brightness of the captured image
- the white balance parameter is used to indicate the color of the image.
- the exposure parameters include exposure duration, aperture value, and the like.
- the target shooting parameters determined by the terminal based on the image characteristics of the image are used to improve the image quality of the captured image.
- the target capture parameters can improve the brightness of captured images.
- the determined target shooting parameters instruct the image acquisition device to focus on the person, so as to improve the image in the captured image. Clarity of characters etc.
- the terminal uses the first image acquisition device to capture an image based on the target shooting parameters.
- the first image acquisition device executes the operation instruction, it directly captures an image based on the target shooting parameters. Since the target shooting parameters are determined based on the image characteristics of the image captured by the second image capture device, compared with the default In terms of parameters, the target shooting parameters are more suitable for the current shooting scene, therefore, the image quality of the image captured by the first image capturing device can be guaranteed.
- the first image acquisition device in response to an instruction to turn on the first image acquisition device or a command to switch the shooting mode, use the time when the first image acquisition device is turned on or the time when the mode is switched to first capture an image through the second image acquisition device , determine the shooting parameters based on the image features of the image, then the first image acquisition device can directly capture the image based on the shooting parameters. Since the shooting parameters are determined based on the captured images, the quality of the images captured by the first image capture device based on the capture parameters is high. Therefore, this shooting method ensures the quality of the images captured by the first image capture device.
- Fig. 3 shows a flow chart of an image capturing method provided by an exemplary embodiment of the present application. Referring to Fig. 3, the method includes:
- the terminal detects an operation instruction to the first image acquisition device, where the operation instruction is a start instruction or a shooting mode switching instruction.
- the terminal displays an opening control of the first image acquisition device, and the user triggers the opening control to open the first image acquisition device.
- the terminal determines that an opening instruction is detected in response to a trigger operation on the opening control.
- the terminal displays mode selection controls corresponding to multiple shooting modes, and the user triggers the mode selection control corresponding to any shooting mode to switch the shooting mode to this mode Choose the shooting mode corresponding to the control.
- the terminal determines that a switching instruction of the shooting mode is detected when the current shooting mode of the first image acquisition device is different from the shooting mode corresponding to the mode selection control.
- the terminal captures an image through the second image acquisition device, and adjusts the current shooting parameters of the second image acquisition device based on the image characteristics of the image.
- the image captured by the second image acquisition device is in any format, for example, RAW (raw) format, which is not limited in this embodiment of the present application.
- the terminal responds to the operation instruction and uses the second image acquisition device to capture images, including: the terminal selects from at least two image acquisition devices other than the first image acquisition device in response to the operation instruction
- the second image capture device which is consistent with the shooting range of the first image capture device, captures images through the second image capture device.
- a second image acquisition device that is consistent with the shooting range of the first image acquisition device is selected from a plurality of image acquisition devices, and the scene captured by the second image acquisition device is the same as that captured by the first image acquisition device.
- the scene is more consistent, therefore, the shooting parameters determined based on the image characteristics of the image captured by the second image capture device are more suitable for the scene captured by the first image capture device, ensuring the quality of the image captured by the first image capture device.
- the terminal selects a second image acquisition device consistent with the shooting range of the first image acquisition device from at least two image acquisition devices other than the first image acquisition device, including: the terminal responds to The operation instruction is to select, from at least two image acquisition devices other than the first image acquisition device, a second image acquisition device that is in the same shooting range as the first image acquisition device and is in an open state.
- the second image acquisition device that is in the same shooting range as the first image acquisition device and is in an open state is selected from the plurality of image acquisition devices, so that the terminal can directly capture images through the second image acquisition device,
- the time for starting the second image acquisition device is saved, thereby improving the efficiency of determining target shooting parameters, thereby enabling the first image acquisition device to capture images based on the shooting parameters as early as possible, and improving the drawing efficiency of the first image acquisition device.
- the terminal captures an image through the second image acquisition device, and adjusts the current shooting parameters of the second image acquisition device based on the image characteristics of the image, including: the terminal responds to the operation instruction, each time through the second image acquisition device The image acquisition device captures a frame of image, and adjusts the current shooting parameters of the second image acquisition device based on the image features of the image. Or, in response to the operation instruction, the terminal captures multiple frames of images each time through the second image acquisition device, selects one frame of images from the multiple frames of images, and adjusts the current shooting parameters based on the image characteristics of the image.
- the original shooting parameters of the second image acquisition device include at least one of the original shooting frame rate or the original resolution
- the terminal responds to the operation instruction, through the second image acquisition Before the device captures an image, first adjust the shooting parameters of the second image acquisition device, that is, the terminal responds to the operation instruction and increases at least one of the shooting frame rate or resolution of the second image acquisition device to obtain the adjusted shooting parameters ; Taking images according to the adjusted shooting parameters through the second image acquisition device.
- increasing the shooting frame rate of the second image acquisition device can ensure that the terminal obtains a sufficient number of images to determine the target shooting parameters during the execution of the operation command by the first image acquisition device. From the perspective of the number of images Ensure the accuracy of target shooting parameters.
- increasing the resolution of the second image acquisition device can ensure that the terminal obtains an image with high resolution to determine the target shooting parameters during the execution of the operation command by the first image acquisition device, and guarantees the determined target shooting parameters from the perspective of image quality. accuracy.
- the terminal increases the shooting frame rate or resolution of the second image collection device only when it needs to use the second image collection device to determine target shooting parameters, which can reduce terminal power consumption.
- the terminal determines the adjusted shooting parameters as target shooting parameters.
- the terminal first captures an image through the second image acquisition device, and adjusts the current shooting parameters based on the image characteristics of the captured image to ensure the adaptability of the shooting parameters to the current shooting scene, thereby ensuring The quality of the image taken by the first image acquisition device based on the shooting parameter is improved.
- the terminal determining the adjusted shooting parameters as the target shooting parameters includes: the terminal determines the current shooting parameters of the second image collection device when the first image collection device has completed executing the operation instruction Shooting parameters for the target. Wherein, the execution of the operation instruction by the first image acquisition device is completed when the first image acquisition device is turned on or the shooting mode switching is completed.
- the terminal continuously captures images through the second image acquisition device, and continuously adjusts the current shooting parameters based on the captured images, so as to realize the adjustment of the shooting parameters. Optimization to improve the adaptability of shooting parameters and shooting scenes.
- the first image acquisition device executes the operation instruction, that is to say, when the first image acquisition device can capture an image
- the current shooting parameters of the second image acquisition device are determined as the target shooting parameters, and the target The shooting parameters have the highest adaptability to the current shooting scene, which ensures the quality of the images captured by the first image acquisition device.
- the terminal uses the first image acquisition device to capture an image based on the target shooting parameters.
- the terminal after the terminal captures an image based on the target shooting parameters through the first image acquisition device, the terminal also needs to adjust the shooting parameters based on the captured image. That is, the terminal adjusts the current shooting parameters of the first image capture device based on the image features of the images captured by the first image capture device or the third image capture device.
- the third image acquisition device is any image acquisition device that has the same shooting range as the first image acquisition device.
- the terminal adjusts the current shooting parameters of the first image acquisition device, including: each time the terminal passes through the first image acquisition device or the third image acquisition device When a frame of image is captured by the three image acquisition devices, the current shooting parameters of the first image acquisition device are adjusted based on the image features of the image.
- the third image acquisition device is in the normally-on state, that is, after the terminal is turned on, the third image acquisition device is in the on state, and takes images according to the configured shooting frame rate and resolution.
- the first image acquisition device considering that both the third image acquisition device and the first image acquisition device can capture images of the current scene, therefore, not only based on the images captured by the first image acquisition device itself, the first image acquisition device
- the shooting parameters of the first image collection device are adjusted, and the current shooting parameters of the first image collection device are also adjusted based on the images taken by the third image collection device, which can improve the adjustment efficiency of the shooting parameters of the first image collection device and speed up the first image capture.
- the process of adapting the shooting parameters of the acquisition device to the current shooting scene considering that both the third image acquisition device and the first image acquisition device can capture images of the current scene.
- the terminal first adjusts shooting parameters of the second image capture device before capturing images by the second image capture device in response to the operation instruction.
- the terminal captures an image through the second image acquisition device, and after determining the target shooting parameters based on the image characteristics of the captured image, the terminal also restores the shooting parameters of the second image collection device to the original shooting parameters. That is, the terminal also performs at least one of the following: the terminal restores the shooting frame rate of the second image acquisition device to the original shooting frame rate; restores the resolution of the second image acquisition device to the original resolution.
- the terminal restores the shooting frame rate of the second image acquisition device to the original shooting frame rate, including: the terminal transmits the target shooting parameters to the second image acquisition device through the second image acquisition device, and restores the shooting frame rate to the second image acquisition device. to the original shooting frame rate, or, after the terminal transmits the target shooting parameters to the second image collection device through the second image collection device, when the second image collection device receives the parameter configuration completion notification sent by the first image collection device
- restore the shooting frame rate to the original shooting frame rate which is not limited in this embodiment of the present application.
- the terminal restores the resolution of the second image acquisition device to the original resolution in the same way as the terminal restores the shooting frame rate of the second image acquisition device to the original shooting frame rate, and details are not repeated here.
- the image is captured by the second image acquisition device and determined based on the image characteristics of the captured image
- the shooting frame rate of the second image acquisition device is restored to the original shooting frame rate, and the resolution is restored to the original resolution, which can reduce the power consumption of the terminal and reduce the impact on the performance of the terminal.
- the terminal uses the first image acquisition device to capture an image based on the target shooting parameters, and then displays the image in the shooting interface of the terminal, so that the user can turn on the first image acquisition device or switch the shooting of the first image acquisition device.
- the first image displayed in the shooting interface is adapted to the current shooting scene, and the image quality is high, which improves the user experience.
- the shooting scene is different from the current shooting scene.
- the scene is adapted, so that the image quality of the first few frames of images in the video captured by the first image acquisition device is better, and the quality of the captured video is improved.
- FIG. 4 is a schematic diagram of an image capture process.
- the second image capture device is turned on, and some capture parameters, such as de-shaking parameters, are determined based on the image characteristics of the captured image.
- the first image acquisition device is in the off state, and the terminal continuously monitors the activation event of the first image acquisition device. After the user triggers to turn on the first image acquisition device, the terminal notifies the monitored activation event to the second image acquisition device. After determining that the start event of the first image acquisition device occurs, the second image acquisition device adjusts the shooting frame rate and resolution, and captures images based on the adjusted shooting frame rate and resolution.
- the second image capture device determines some shooting parameters based on the image features of the captured image, such as exposure parameters, white balance parameters, focus parameters, etc., and sends all determined shooting parameters to the first image capture device.
- the first image acquisition device is configured according to the shooting parameters, and then takes images according to the configured shooting parameters. Wherein, after the first image acquisition device completes the configuration of the shooting parameters, it will send a parameter configuration completion notification to the second image acquisition device, and the first image acquisition device will restore the shooting frame rate and resolution to the original shooting frame rate and native resolution.
- Fig. 5 is a structural block diagram of the image acquisition device.
- the left side is a structural block diagram of the second image acquisition device
- the right side is a structural block diagram of the first image acquisition device.
- the first image acquisition device and the second image acquisition device have overlapping parts, for example, the second image acquisition device and the first image acquisition device share part of the service interface, but the two image acquisition devices Most of the modules operate independently, so the target shooting parameters can be determined from the images captured by the second image acquisition device for use by the first image acquisition device.
- the overall structure of the second image acquisition device is more streamlined, and the communication efficiency is higher.
- first image acquisition device Compared with the first image acquisition device, image data can be acquired earlier, thereby ensuring the shooting parameters provided for the first image acquisition device. timeliness. It should be noted that the structures of the first image acquisition device and the second image acquisition device are only illustrative, and are not limited in this embodiment of the present application.
- the first image acquisition device in response to an instruction to turn on the first image acquisition device or a command to switch the shooting mode, use the time when the first image acquisition device is turned on or the time when the mode is switched to first capture an image through the second image acquisition device , determine the shooting parameters based on the image features of the image, then the first image acquisition device can directly capture the image based on the shooting parameters. Since the shooting parameters are determined based on the captured images, the quality of the images captured by the first image capture device based on the capture parameters is high. Therefore, this shooting method ensures the quality of the images captured by the first image capture device.
- FIG. 6 shows a structural block diagram of an image capture device provided by an exemplary embodiment of the present application.
- the image capture device includes:
- An instruction detection module 601 configured to detect an operation instruction to the first image acquisition device, where the operation instruction is a start instruction or a shooting mode switching instruction;
- a parameter determination module 602 configured to capture an image through the second image acquisition device in response to the operation instruction, and determine target shooting parameters based on the image characteristics of the captured image;
- the image capture module 603 is configured to capture an image based on the target capture parameters through the first image capture device.
- the parameter determination module 602 includes:
- the parameter adjustment unit is used to respond to the operation instruction, take an image through the second image acquisition device, and adjust the current shooting parameters of the second image acquisition device based on the image characteristics of the image;
- the parameter determination unit is configured to determine the adjusted shooting parameters as target shooting parameters.
- the parameter determining unit is configured to determine the current shooting parameters of the second image capturing device as the target shooting parameters when the first image capturing device finishes executing the operation instruction.
- the parameter determination module 602 is configured to, in response to an operation instruction, select an image that is consistent with the shooting range of the first image acquisition device from at least two image acquisition devices other than the first image acquisition device.
- the second image acquisition device captures images through the second image acquisition device.
- the device further includes:
- the parameter adjustment module is used to adjust the current shooting parameters of the first image acquisition device based on the image characteristics of the image captured by the first image acquisition device or the third image acquisition device; wherein, the third image acquisition device is the same as the first image acquisition device Any image acquisition device with the same shooting range of the acquisition device.
- the original shooting parameters of the second image acquisition device include at least one of the original shooting frame rate or the original resolution
- the parameter determination module 602 is configured to increase at least one of the shooting frame rate or the resolution of the second image acquisition device to obtain adjusted shooting parameters; the second image acquisition device captures images according to the adjusted shooting parameters.
- the parameter determination module 602 is also configured to perform at least one of the following:
- the first image acquisition device in response to an instruction to turn on the first image acquisition device or a command to switch the shooting mode, use the time when the first image acquisition device is turned on or the time when the mode is switched to first capture an image through the second image acquisition device , determine the shooting parameters based on the image features of the image, then the first image acquisition device can directly capture the image based on the shooting parameters. Since the shooting parameters are determined based on the captured images, the quality of the images captured by the first image capture device based on the capture parameters is high. Therefore, this shooting method ensures the quality of the images captured by the first image capture device.
- the computer device 700 may have relatively large differences due to different configurations or performances, and may include one or more processors (Central Processing Units (CPU) 701 and one or more memory 702, wherein at least one computer program is stored in the memory 702, and the at least one computer program is loaded and executed by the processor 701 to implement the above-mentioned various methods The method provided by the example.
- processors Central Processing Units (CPU) 701
- memory 702 wherein at least one computer program is stored in the memory 702, and the at least one computer program is loaded and executed by the processor 701 to implement the above-mentioned various methods The method provided by the example.
- the computer device may also have components such as a wired or wireless network interface, a keyboard, and an input/output interface for input and output, and the computer device may also include other components for realizing device functions, which will not be described in detail here.
- FIG. 8 shows a structural block diagram of a computer device provided by an exemplary embodiment of the present application.
- the computer device 800 is a computer device capable of accessing a wireless local area network as a wireless station, such as a smart phone, a tablet computer, and a wearable device.
- the computer device 800 in this application includes at least one or more of the following components: a processor 810 , a memory 820 and at least two wireless links 830 .
- processor 810 includes one or more processing cores.
- the processor 810 uses various interfaces and lines to connect various parts of the entire computer device 800, and executes various functions of the computer device 800 by running or executing program codes stored in the memory 820 and calling data stored in the memory 820 and process data.
- the processor 810 adopts at least one of Digital Signal Processing (Digital Signal Processing, DSP), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and Programmable Logic Array (Programmable Logic Array, PLA). A form of hardware to achieve.
- DSP Digital Signal Processing
- FPGA Field-Programmable Gate Array
- PLA Programmable Logic Array
- the processor 810 can integrate one or more of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), a neural network processor (Neural-network Processing Unit, NPU) and a modem, etc.
- a central processing unit Central Processing Unit, CPU
- an image processor Graphics Processing Unit, GPU
- a neural network processor Neural-network Processing Unit, NPU
- the CPU mainly handles the operating system, user interface and application programs, etc.
- the GPU is used to render and draw the content that needs to be displayed on the display screen
- the NPU is used to realize artificial intelligence (Artificial Intelligence, AI) functions
- the modem is used to process wireless communication. It can be understood that the foregoing modem may not be integrated into the processor 810, but may be implemented by a single chip.
- the processor 810 is used to control the working conditions of at least two wireless links 830.
- the processor 810 is a processor integrated with a wireless fidelity (Wireless Fidelity, Wi-Fi) chip.
- Wi-Fi chip is a chip with dual Wi-Fi processing capabilities.
- the Wi-Fi chip is a Dual Band Dual Concurrent (DBDC) chip, or a Dual Band Simultaneous (DBS) chip.
- DBDC Dual Band Dual Concurrent
- DBS Dual Band Simultaneous
- the memory 820 includes a random access memory (Random Access Memory, RAM), and in some embodiments, the memory 820 includes a read-only memory (Read-Only Memory, ROM). In some embodiments, the memory 820 includes a non-transitory computer-readable storage medium. Memory 820 may be used to store program codes.
- RAM Random Access Memory
- ROM Read-Only Memory
- the memory 820 includes a non-transitory computer-readable storage medium. Memory 820 may be used to store program codes.
- the memory 820 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), Instructions and the like for implementing the various method embodiments described below; the storage data area can store data created according to the use of the computer device 800 (such as audio data, phonebook) and the like.
- the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), Instructions and the like for implementing the various method embodiments described below; the storage data area can store data created according to the use of the computer device 800 (such as audio data, phonebook) and the like.
- the memory 820 stores different reception schemes of the wireless link 830 for receiving beacon frames. And, the identifier of the access node connected to the different wireless link 830, the identifier of the wireless link 830, and the like.
- the at least two wireless links 830 are used to connect different access nodes (Access Point, AP). Receive downlink data sent by the AP.
- the different access nodes are access nodes in the same router or access nodes in different routers.
- computer device 800 also includes a display screen.
- a display is a display component for displaying a user interface.
- the display screen is a display screen with a touch function, and through the touch function, the user can use any suitable object such as a finger or a touch pen to perform a touch operation on the display screen.
- the display screen is generally located on the front panel of the computer device 800 .
- the display screen is designed as a full screen, a curved screen, a special-shaped screen, a double-sided screen or a folding screen.
- the display screen is also designed as a combination of a full screen and a curved screen, a combination of a special-shaped screen and a curved screen, etc., which are not limited in this embodiment.
- the structure of the computer device 800 shown in the above drawings does not constitute a limitation on the computer device 800, and the computer device 800 includes more or less components than those shown in the figure, or Combining certain parts, or different arrangements of parts.
- the computer device 800 also includes components such as a microphone, a speaker, an input unit, a sensor, an audio circuit, a module, a power supply, and a Bluetooth module, which will not be repeated here.
- the present application also provides a computer-readable medium, the computer-readable medium stores at least one computer program, and the at least one computer program is loaded and executed by the processor to implement the image capturing method shown in the above embodiments.
- the present application also provides a computer program product, the computer program product stores at least one computer program, and the at least one computer program is loaded and executed by the processor to implement the image capturing method shown in the above embodiments.
- the steps in the image capturing method of the above-mentioned embodiments can be completed by hardware, or can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage
- the storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like.
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Abstract
本申请公开了一种图像拍摄方法、装置、计算机设备及存储介质，属于计算机技术领域。方法包括：检测对第一图像采集装置的操作指令；响应于操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；通过第一图像采集装置，基于目标拍摄参数拍摄图像。上述方法先通过第二图像采集装置拍摄图像，基于该图像的图像特征确定拍摄参数，则第一图像采集装置能够直接基于该拍摄参数来拍摄图像。由于该拍摄参数是基于拍摄的图像确定的，因此，第一图像采集装置基于该拍摄参数所拍摄的图像的质量高，因此，这种拍摄方法保证了第一图像采集装置拍摄的图像的质量。
Description
本申请要求于2021年09月09日提交的申请号为202111056062.0、发明名称为“图像拍摄方法、装置、计算机设备及存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
本申请实施例涉及计算机技术领域，特别涉及一种图像拍摄方法、装置、计算机设备及存储介质。
随着分享图像功能的广泛应用，人们对图像质量的需求日益提高，如何拍摄得到更高质量的图像成为当前的研究热点。
发明内容
本申请实施例提供了一种图像拍摄方法、装置、计算机设备及存储介质，能够保证所拍摄图像的质量。技术方案如下：
根据本申请实施例的一方面，提供了一种图像拍摄方法，所述方法包括：
检测对第一图像采集装置的操作指令，所述操作指令为开启指令或者拍摄模式的切换指令；
响应于所述操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；
通过所述第一图像采集装置，基于所述目标拍摄参数拍摄图像。
根据本申请实施例的另一方面，提供了一种图像拍摄装置，所述装置包括：
指令检测模块，用于检测对第一图像采集装置的操作指令，所述操作指令为开启指令或者拍摄模式的切换指令；
参数确定模块，用于响应于所述操作指令，通过第二图像采集装置拍摄图 像，基于所拍摄的图像的图像特征确定目标拍摄参数；
图像拍摄模块，用于通过所述第一图像采集装置，基于所述目标拍摄参数拍摄图像。
根据本申请实施例的另一方面，提供了一种计算机设备，所述计算机设备包括处理器和存储器；所述存储器存储有至少一条计算机程序，所述至少一条计算机程序用于被所述处理器执行以实现如上述方面所述的图像拍摄方法。
根据本申请实施例的另一方面，提供了一种计算机可读存储介质，所述存储介质存储有至少一条计算机程序，所述至少一条计算机程序用于被处理器执行以实现如上述方面所述的图像拍摄方法。
根据本申请实施例的另一方面，提供了一种计算机程序产品，该计算机程序产品存储有至少一条计算机程序，所述至少一条计算机程序由处理器加载并执行以实现上述方面所述的图像拍摄方法。
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1示出了本申请一个示例性实施例提供的一种计算机设备的结构方框图；
图2示出了本申请一个示例性实施例提供的一种图像拍摄方法的流程图；
图3示出了本申请一个示例性实施例提供的一种图像拍摄方法的流程图；
图4示出了本申请一个示例性实施例提供的一种图像拍摄过程的示意图；
图5示出了本申请一个示例性实施例提供的一种图像采集装置的结构方框图；
图6示出了本申请一个示例性实施例提供的一种图像拍摄装置的结构方框图；
图7示出了本申请一个示例性实施例提供的一种计算机设备的结构方框图；
图8示出了本申请一个示例性实施例提供的一种计算机设备的结构方框图。
为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
在本文中提及的“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请所使用的术语“第一”、“第二”、“第三”、“第四”等可在本文中用于描述各种概念，但除非特别说明，这些概念不受这些术语限制。这些术语仅用于将一个概念与另一个概念区分。举例来说，在不脱离本申请的范围的情况下，可以将第一目标区域称为目标区域，且类似地，可将第二目标区域称为第一目标区域。
本申请实施例提供了一种图像拍摄方法，该方法包括：
检测对第一图像采集装置的操作指令，操作指令为开启指令或者拍摄模式的切换指令；
响应于操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；
通过第一图像采集装置，基于目标拍摄参数拍摄图像。
在一些实施例中，响应于操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数，包括：
响应于操作指令，通过第二图像采集装置拍摄图像，基于图像的图像特征对第二图像采集装置当前的拍摄参数进行调整；
将调整后的拍摄参数确定为目标拍摄参数。
在一些实施例中，将调整后的拍摄参数确定为目标拍摄参数，包括：
在第一图像采集装置执行操作指令完成的情况下，将第二图像采集装置当前的拍摄参数确定为目标拍摄参数。
在一些实施例中，响应于操作指令，通过第二图像采集装置拍摄图像，包括：
响应于操作指令，从除第一图像采集装置以外的至少两个图像采集装置中，选取与第一图像采集装置的拍摄范围一致的第二图像采集装置，通过第二图像采集装置拍摄图像。
在一些实施例中，通过第一图像采集装置，基于目标拍摄参数拍摄图像之后，方法还包括：
基于第一图像采集装置或者第三图像采集装置拍摄的图像的图像特征，对第一图像采集装置当前的拍摄参数进行调整；
其中，第三图像采集装置为与第一图像采集装置的拍摄范围一致的任一图像采集装置。
在一些实施例中，第二图像采集装置的原始拍摄参数包括原始拍摄帧率或原始分辨率中的至少一个；
通过第二图像采集装置拍摄图像，包括：
增加第二图像采集装置的拍摄帧率或分辨率中的至少一个，得到调整后的拍摄参数；
通过第二图像采集装置，按照调整后的拍摄参数拍摄图像。
在一些实施例中，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数之后，方法还包括以下至少一项：
将第二图像采集装置的拍摄帧率恢复至原始拍摄帧率；
将第二图像采集装置的分辨率恢复至原始分辨率。
本申请实施例提供了一种图像拍摄方法，执行主体为计算机设备100，计算机设备100能够通过本申请提供的方法拍摄得到高质量的图像。在一些实施例中，该计算机设备100为终端，例如终端为手机、摄像机、台式电脑、笔记本电脑、平板电脑等多种类型的终端。
在一些实施例中，计算机设备100中包括第一图像采集装置101和第二图像采集装置102。可选地，第一图像采集装置101与第二图像采集装置102的拍摄范围一致。其中，在第一图像采集装置101处于关闭状态，且第二图像采集装置102处于开启状态的情况下，如果检测到对第一图像采集装置101的开启指令，可以先通过第二图像采集装置102来拍摄图像，并基于拍摄的图像确定拍摄参数，第一图像采集装置101开启后，能够直接采用该拍摄参数来拍摄图 像。
在一些实施例中，计算机设备100还包括除第一图像采集装置101和第二图像采集装置102之外的其他图像采集装置。计算机设备100能够通过多个图像采集装置中的任意一个或多个图像采集装置拍摄图像，本申请实施例对此不做限制。
本申请实施例提供的图像拍摄方法，能够应用在开启图像采集装置的场景下。例如，用户触发开启第一图像采集装置101，终端利用第一图像采集装置101开启的时间，先通过第二图像采集装置102拍摄图像，基于该图像的图像特征确定拍摄参数，然后在第一图像采集装置101开启完成的情况下，通过第一图像采集装置101，直接基于该拍摄参数拍摄图像。由于该拍摄参数是基于当前拍摄的图像确定的，该拍摄参数与当前的拍摄场景的适配性高，因此，能够保证第一图像采集装置101拍摄的图像的质量。
相关技术中，图像采集装置一般会基于默认的拍摄参数拍摄图像，由于该拍摄参数是固定的，无法保证所拍摄图像的质量。
本申请实施例提供的图像拍摄方法，还能够应用在切换拍摄模式的场景下，例如，在第一图像采集装置101处于开启状态的情况下，用户触发切换第一图像采集装置101的拍摄模式，终端利用第一图像采集装置101进行模式切换的时间，先通过第二图像采集装置102拍摄图像，基于该图像的图像特征确定拍摄参数，然后在第一图像采集装置101模式切换完成的情况下，通过第一图像采集装置101，直接基于该拍摄参数拍摄图像。当然，本申请实施例提供的图像拍摄方法还能够应用在其他场景下，例如拍摄视频的场景下，本申请实施例对此不做限制。
图2示出了本申请一个示例性实施例提供的一种图像拍摄方法的流程图，参见图2，该方法包括：
201、终端检测对第一图像采集装置的操作指令，操作指令为开启指令或者拍摄模式的切换指令。
其中，开启指令用于在第一图像采集装置处于关闭状态的情况下，开启第一图像采集装置。拍摄模式的切换指令用于在第一图像采集装置处于开启状态的情况下，切换第一图像采集装置当前的切换模式。可选地，操作指令还能够 为其他指令，本申请实施例对此不做限制。
第一图像采集装置具有多种拍摄模式，例如，人像模式、风景模式、夜景模式、美食模式、拍照模式、录像模式等。可选地，第一图像采集装置在进行模式切换的过程中不拍摄图像。
可选地，第一图像采集装置为终端中的任一摄像头，例如，前置摄像头、后置摄像头等，本申请实施例对此不做限制。
202、终端响应于该操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数。
可选地，第二图像采集装置是与第一图像采集装置的拍摄范围一致的图像采集装置。例如，第二图像采集装置与第一图像采集装置均为前置摄像头，或者均为后置摄像头。可选地，第二图像采集装置处于开启状态，即终端响应于该操作指令，无需重新启动第二图像采集装置，能够直接通过第二图像采集装置拍摄图像。
可选地，图像特征包括图像内容特征和图像质量特征。其中，图像内容特征是能够反映图像内容的特征。例如，图像内容特征包括图像中的人物数量、建筑物占图像的比例，风景占图像的比例、图像拍摄的场景是白天或晚上等。图像质量特征是能够反映图像质量的特征，例如，图像质量特征包括图像的清晰度、亮度、颜色等。图像的清晰度高、亮度在阈值范围内、颜色与图像中物体的实际颜色的偏差在阈值范围内，说明图像的图像质量高，图像的清晰度低、亮度不在阈值范围内、颜色与图像中物体的实际颜色的偏差不在阈值范围内，说明图像的图像质量低。
拍摄参数能够决定拍摄的图像的质量。可选地，拍摄参数包括任意参数，例如，对焦参数、曝光参数、白平衡参数等。其中，对焦参数用于指示拍摄的图像中对焦的物体，曝光参数用于指示拍摄的图像的亮度，白平衡参数用于指示图像的颜色。可选地，曝光参数包括曝光时长、光圈值等。
可选地，终端基于图像的图像特征确定的目标拍摄参数用于提高拍摄的图像的图像质量，例如，第二图像采集装置所拍摄的图像的亮度太低，不在亮度阈值范围内，则确定的目标拍摄参数能够提高拍摄的图像的亮度。又如，第二图像采集装置所拍摄的图像没有对焦到人物上，导致人物所在区域的图像模糊，则确定的目标拍摄参数指示将图像采集装置对焦到该人物上，以提高拍摄的图 像中该人物的清晰程度等。
203、终端通过第一图像采集装置，基于目标拍摄参数拍摄图像。
可选地，第一图像采集装置执行操作指令完成的情况下，直接基于目标拍摄参数拍摄图像，由于目标拍摄参数是基于第二图像采集装置所拍摄图像的图像特征确定的，相对于默认的拍摄参数来说，该目标拍摄参数更加适配当前的拍摄场景，因此，能够保证第一图像采集装置所拍摄图像的图像质量。
在本申请实施例中，响应于对第一图像采集装置的开启指令或者拍摄模式的切换指令，利用第一图像采集装置开启的时间或者进行模式切换的时间，先通过第二图像采集装置拍摄图像，基于该图像的图像特征确定拍摄参数，则第一图像采集装置能够直接基于该拍摄参数来拍摄图像。由于该拍摄参数是基于拍摄的图像确定的，因此，第一图像采集装置基于该拍摄参数所拍摄的图像的质量高，因此，这种拍摄方法保证了第一图像采集装置拍摄的图像的质量。
图3示出了本申请一个示例性实施例提供的一种图像拍摄方法的流程图，参见图3，该方法包括：
301、终端检测对第一图像采集装置的操作指令，该操作指令为开启指令或者拍摄模式的切换指令。
可选地，终端显示第一图像采集装置的开启控件，用户触发该开启控件则能够开启第一图像采集装置，相应的，终端响应于对该开启控件的触发操作，确定检测到开启指令。可选地，在第一图像采集装置处于开启状态的情况下，终端显示多种拍摄模式对应的模式选取控件，用户触发该任一拍摄模式对应的模式选取控件，能够将拍摄模式切换成该模式选取控件对应的拍摄模式。相应的，终端响应于对任一模式选取控件的选取操作，在第一图像采集装置当前的拍摄模式与该模式选取控件对应的拍摄模式不同的情况下，确定检测到拍摄模式的切换指令。
302、终端响应于操作指令，通过第二图像采集装置拍摄图像，基于图像的图像特征对第二图像采集装置当前的拍摄参数进行调整。
可选地，第二图像采集装置所拍摄的图像为任意格式，例如，RAW(原始)格式，本申请实施例对此不做限制。
在一种可能的实现方式中，终端响应于操作指令，通过第二图像采集装置 拍摄图像，包括：终端响应于操作指令，从除第一图像采集装置以外的至少两个图像采集装置中，选取与第一图像采集装置的拍摄范围一致的第二图像采集装置，通过第二图像采集装置拍摄图像。
在本申请实施例中，从多个图像采集装置中选取与第一图像采集装置的拍摄范围一致的第二图像采集装置，则该第二图像采集装置所拍摄的场景与第一图像采集装置拍摄的场景更加一致，因此，基于该第二图像采集装置所拍摄图像的图像特征确定的拍摄参数与第一图像采集装置拍摄的场景更加适配，保证了第一图像采集装置所拍摄图像的质量。
可选地，终端响应于操作指令，从除第一图像采集装置以外的至少两个图像采集装置中，选取与第一图像采集装置的拍摄范围一致的第二图像采集装置，包括：终端响应于操作指令，从除第一图像采集装置以外的至少两个图像采集装置中，选取与第一图像采集装置的拍摄范围一致、且处于开启状态的第二图像采集装置。
在本申请实施例中，从多个图像采集装置中选取与第一图像采集装置的拍摄范围一致，且处于开启状态的第二图像采集装置，使得终端能够直接通过第二图像采集装置拍摄图像，节省了开启第二图像采集装置的时间，从而能够提高确定目标拍摄参数的效率，进而使得第一图像采集装置能够尽早地基于该拍摄参数拍摄图像，提高了第一图像采集装置的出图效率。
可选地，终端响应于操作指令，通过第二图像采集装置拍摄图像，基于图像的图像特征对第二图像采集装置当前的拍摄参数进行调整，包括：终端响应于操作指令，每次通过第二图像采集装置拍摄一帧图像，基于该图像的图像特征对第二图像采集装置当前的拍摄参数进行调整。或者，终端响应于操作指令，每次通过第二图像采集装置拍摄多帧图像，从该多帧图像中选取一帧图像，基于该图像的图像特征对当前的拍摄参数进行调整。
在一种可能的实现方式中，第二图像采集装置的原始拍摄参数包括原始拍摄帧率或原始分辨率中的至少一个，而本申请实施例中，终端响应于操作指令，通过第二图像采集装置拍摄图像前，先调整第二图像采集装置的拍摄参数，也即是，终端响应于操作指令，增加第二图像采集装置的拍摄帧率或分辨率中的至少一个，得到调整后的拍摄参数；通过第二图像采集装置，按照调整后的拍摄参数拍摄图像。
在本申请实施例中，增加第二图像采集装置的拍摄帧率，能够保证在第一图像采集装置执行操作指令的过程中，终端得到足够数量的图像来确定目标拍摄参数，从图像数量的角度保证目标拍摄参数的准确性。而增加第二图像采集装置的分辨率，能够保证在第一图像采集装置执行操作指令的过程中，终端得到分辨率高的图像来确定目标拍摄参数，从图像质量的角度保证确定的目标拍摄参数的准确性。另外，终端仅在需要利用第二图像采集装置来确定目标拍摄参数时，才增加第二图像采集装置的拍摄帧率或分辨率，能够降低终端功耗。
303、终端将调整后的拍摄参数确定为目标拍摄参数。
在本申请实施例中，终端先通过第二图像采集装置拍摄图像，基于所拍摄图像的图像特征对当前的拍摄参数进行调整，保证了该拍摄参数与当前的拍摄场景的适配性，从而保证了第一图像采集装置基于该拍摄参数拍摄的图像的质量。
在一种可能的实现方式中，终端将调整后的拍摄参数确定为目标拍摄参数，包括：终端在第一图像采集装置执行操作指令完成的情况下，将第二图像采集装置当前的拍摄参数确定为目标拍摄参数。其中，第一图像采集装置执行操作指令完成为第一图像采集装置开启完成或者拍摄模式切换完成。
在本申请实施例中，在第一图像采集装置执行操作指令的过程中，终端通过第二图像采集装置不断地拍摄图像，并且基于拍摄的图像不断调整当前的拍摄参数，从而实现对拍摄参数的优化，提高拍摄参数与拍摄场景的适配性。在第一图像采集装置执行操作指令完成的情况下，也就是说，在第一图像采集装置能够拍摄图像的情况下，再将第二图像采集装置当前的拍摄参数确定为目标拍摄参数，该目标拍摄参数与当前的拍摄场景的适配性最高，保证了第一图像采集装置所拍摄图像的质量。
304、终端通过第一图像采集装置，基于目标拍摄参数拍摄图像。
在一种可能的实现方式中，终端通过第一图像采集装置，基于目标拍摄参数拍摄图像之后，还要基于拍摄的图像对拍摄参数进行调整。也即是，终端基于第一图像采集装置或者第三图像采集装置拍摄的图像的图像特征，对第一图像采集装置当前的拍摄参数进行调整。其中，第三图像采集装置为与第一图像采集装置的拍摄范围一致的任一图像采集装置。
可选地，终端基于第一图像采集装置或者第三图像采集装置拍摄的图像的 图像特征，对第一图像采集装置当前的拍摄参数进行调整，包括：终端每次通过第一图像采集装置或者第三图像采集装置拍摄到一帧图像时，基于该图像的图像特征对第一图像采集装置当前的拍摄参数进行调整。可选地，第三图像采集装置处于常开状态，也就是说，在终端开启后，第三图像采集装置即处于开启状态，按照配置的拍摄帧率和分辨率来拍摄图像。
在本申请实施例中，考虑到第三图像采集装置与第一图像采集装置均能够对当前场景进行拍摄得到图像，因此，不仅基于第一图像采集装置自己拍摄的图像对第一图像采集装置当前的拍摄参数进行调整，还基于第三图像采集装置所拍摄的图像对第一图像采集装置当前的拍摄参数进行调整，这样能够提高对第一图像采集装置的拍摄参数的调整效率，加快第一图像采集装置的拍摄参数与当前的拍摄场景适配的过程。
在一种可能的实现方式中，终端响应于操作指令，通过第二图像采集装置拍摄图像前，先调整了第二图像采集装置的拍摄参数。相应的，终端通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数之后，还要将第二图像采集装置的拍摄参数恢复至原始拍摄参数。也即是，终端还要执行以下至少一项：终端将第二图像采集装置的拍摄帧率恢复至原始拍摄帧率；将第二图像采集装置的分辨率恢复至原始分辨率。
可选地，终端将第二图像采集装置的拍摄帧率恢复至原始拍摄帧率，包括：终端通过第二图像采集装置，将目标拍摄参数传输给第二图像采集装置后，将拍摄帧率恢复至原始拍摄帧率，或者，终端通过第二图像采集装置，将目标拍摄参数传输给第二图像采集装置后，在第二图像采集装置接收到第一图像采集装置发送的参数配置完成通知的情况下，将拍摄帧率恢复至原始拍摄帧率，本申请实施例对此不做限制。终端将第二图像采集装置的分辨率恢复至原始分辨率与终端将第二图像采集装置的拍摄帧率恢复至原始拍摄帧率的实现方式同理，此处不再赘述。
在本申请实施例中，考虑到第二图像采集装置的拍摄帧率和分辨率的增加，会增加终端的功耗，因此，通过第二图像采集装置拍摄图像，基于所拍摄图像的图像特征确定目标拍摄参数之后，再把第二图像采集装置的拍摄帧率恢复至原始拍摄帧率，将分辨率恢复至原始分辨率，能够降低终端功耗，减少对终端性能的影响。
可选地，终端通过第一图像采集装置，基于目标拍摄参数拍摄图像后，将该图像显示在终端的拍摄界面中，这样使得用户在打开第一图像采集装置或者切换第一图像采集装置的拍摄模式后，拍摄界面中最开始呈现的图像就是与当前的拍摄场景适配的，图像的质量高，提升了用户体验。
需要说明的一点是，在通过第一图像采集装置拍摄视频的情况下，由于第一图像采集装置采用的拍摄参数是基于第二图像采集装置所拍摄的图像确定的，该拍摄场景与当前的拍摄场景是适配的，使得第一图像采集装置所拍摄视频中的前几帧图像的图像质量就比较好，提高了拍摄的视频的质量。
图4为图像拍摄过程的示意图，参考图4，第二图像采集装置处于开启状态，基于所拍摄图像的图像特征确定部分拍摄参数，例如，去抖动参数等。第一图像采集装置处于关闭状态，终端持续监听对第一图像采集装置的启动事件，用户触发开启第一图像采集装置后，终端将监听到的启动事件通知第二图像采集装置。第二图像采集装置确定第一图像采集装置的启动事件发生后，调整拍摄帧率和分辨率，基于调整后的拍摄帧率和分辨率拍摄图像。然后，第二图像采集装置基于所拍摄图像的图像特征确定部分拍摄参数，例如，曝光参数、白平衡参数、对焦参数等，将确定的全部拍摄参数发送给第一图像采集装置。第一图像采集装置按照该拍摄参数进行配置，然后按照配置的拍摄参数拍摄图像。其中，第一图像采集装置在完成拍摄参数的配置后，会向第二图像采集装置发送参数配置完成通知，第一图像采集装置基于该通知将拍摄帧率和分辨率恢复至原始拍摄帧率和原始分辨率。
图5为图像采集装置的结构方框图。参考图5，左侧为第二图像采集装置的结构方框图，右侧为第一图像采集装置的结构方框图。从图5中能够看出，第一图像采集装置与第二图像采集装置虽然有重合部分，例如，第二图像采集装置与第一图像采集装置共用部分服务接口，但是，两个图像采集装置的大部分模块是分别独立运行的，因此能够通过第二图像采集装置所拍摄的图像确定目标拍摄参数，以供第一图像采集装置拍摄使用。并且，第二图像采集装置整体的结构更加精简，通信效率更高，相对于第一图像采集装置来讲，能够更早地获取到图像数据，从而保证了为第一图像采集装置提供的拍摄参数的时效性。需要说明的一点是，第一图像采集装置与第二图像采集装置的结构仅是示例性说明，本申请实施例对此不做限制。
在本申请实施例中，响应于对第一图像采集装置的开启指令或者拍摄模式的切换指令，利用第一图像采集装置开启的时间或者进行模式切换的时间，先通过第二图像采集装置拍摄图像，基于该图像的图像特征确定拍摄参数，则第一图像采集装置能够直接基于该拍摄参数来拍摄图像。由于该拍摄参数是基于拍摄的图像确定的，因此，第一图像采集装置基于该拍摄参数所拍摄的图像的质量高，因此，这种拍摄方法保证了第一图像采集装置拍摄的图像的质量。
下述为本申请的装置实施例，能够用于执行本申请的方法实施例。对于本申请装置实施例中未披露的细节，请参照本申请的方法实施例。
请参考图6，其示出了本申请一个示例性实施例提供的图像拍摄装置的结构方框图。该图像拍摄装置包括：
指令检测模块601，用于检测对第一图像采集装置的操作指令，操作指令为开启指令或者拍摄模式的切换指令；
参数确定模块602，用于响应于操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；
图像拍摄模块603，用于通过第一图像采集装置，基于目标拍摄参数拍摄图像。
在一种可能的实现方式中，参数确定模块602，包括：
参数调整单元，用于响应于操作指令，通过第二图像采集装置拍摄图像，基于图像的图像特征对第二图像采集装置当前的拍摄参数进行调整；
参数确定单元，用于将调整后的拍摄参数确定为目标拍摄参数。
在一种可能的实现方式中，参数确定单元，用于在第一图像采集装置执行操作指令完成的情况下，将第二图像采集装置当前的拍摄参数确定为目标拍摄参数。
在一种可能的实现方式中，参数确定模块602，用于响应于操作指令，从除第一图像采集装置以外的至少两个图像采集装置中，选取与第一图像采集装置的拍摄范围一致的第二图像采集装置，通过第二图像采集装置拍摄图像。
在一种可能的实现方式中，装置还包括：
参数调整模块，用于基于第一图像采集装置或者第三图像采集装置拍摄的图像的图像特征，对第一图像采集装置当前的拍摄参数进行调整；其中，第三 图像采集装置为与第一图像采集装置的拍摄范围一致的任一图像采集装置。
在一种可能的实现方式中，第二图像采集装置的原始拍摄参数包括原始拍摄帧率或原始分辨率中的至少一个；
参数确定模块602，用于增加第二图像采集装置的拍摄帧率或分辨率中的至少一个，得到调整后的拍摄参数；通过第二图像采集装置，按照调整后的拍摄参数拍摄图像。
在一种可能的实现方式中，参数确定模块602，还用于执行以下至少一项：
将第二图像采集装置的拍摄帧率恢复至原始拍摄帧率；
将第二图像采集装置的分辨率恢复至原始分辨率。
在本申请实施例中，响应于对第一图像采集装置的开启指令或者拍摄模式的切换指令，利用第一图像采集装置开启的时间或者进行模式切换的时间，先通过第二图像采集装置拍摄图像，基于该图像的图像特征确定拍摄参数，则第一图像采集装置能够直接基于该拍摄参数来拍摄图像。由于该拍摄参数是基于拍摄的图像确定的，因此，第一图像采集装置基于该拍摄参数所拍摄的图像的质量高，因此，这种拍摄方法保证了第一图像采集装置拍摄的图像的质量。
需要说明的是，上述实施例提供的装置，在实现其功能时，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将计算机设备的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。另外，上述实施例提供的装置与方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
参考图7，其示出了本申请一个示例性实施例提供的计算机设备的结构方框图，该计算机设备700可因配置或性能不同而产生比较大的差异，可以包括一个或一个以上处理器(Central Processing Units，CPU)701和一个或一个以上的存储器702，其中，所述存储器702中存储有至少一条计算机程序，所述至少一条计算机程序由所述处理器701加载并执行以实现上述各个方法实施例提供的方法。当然，该计算机设备还可以具有有线或无线网络接口、键盘以及输入输出接口等部件，以便进行输入输出，该计算机设备还可以包括其他用于实现设备功能的部件，在此不做赘述。
请参考图8，其示出了本申请一个示例性实施例提供的计算机设备的结构方框图。在一些实施例中，计算机设备800是智能手机、平板电脑、可穿戴设备等能够作为无线站点接入无线局域网的计算机设备。本申请中的计算机设备800至少包括一个或多个以下部件：处理器810、存储器820和至少两个无线链路830。
在一些实施例中，处理器810包括一个或者多个处理核心。处理器810利用各种接口和线路连接整个计算机设备800内的各个部分，通过运行或执行存储在存储器820内的程序代码，以及调用存储在存储器820内的数据，执行计算机设备800的各种功能和处理数据。在一些实施例中，处理器810采用数字信号处理(Digital Signal Processing，DSP)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)、可编程逻辑阵列(Programmable Logic Array，PLA)中的至少一种硬件形式来实现。处理器810能集成中央处理器(Central Processing Unit，CPU)、图像处理器(Graphics Processing Unit，GPU)、神经网络处理器(Neural-network Processing Unit，NPU)和调制解调器等中的一种或几种的组合。其中，CPU主要处理操作系统、用户界面和应用程序等；GPU用于负责显示屏所需要显示的内容的渲染和绘制；NPU用于实现人工智能(Artificial Intelligence，AI)功能；调制解调器用于处理无线通信。能够理解的是，上述调制解调器也能不集成到处理器810中，单独通过一块芯片进行实现。
在一些实施例中，该处理器810用于控制至少两个无线链路830的工作状况，相应的，该处理器810为集成了无线保真(Wireless Fidelity，Wi-Fi)芯片的处理器。其中，该Wi-Fi芯片为具有双Wi-Fi处理能力的芯片。例如，该Wi-Fi芯片为双频双发(Dual Band Dual Concurrent，DBDC)芯片，或者，双频同步(Dual Band Simultaneous，DBS)芯片等。
在一些实施例中，存储器820包括随机存储器(Random Access Memory，RAM)，在一些实施例中，存储器820包括只读存储器(Read-Only Memory，ROM)。在一些实施例中，该存储器820包括非瞬时性计算机可读介质(non-transitory computer-readable storage medium)。存储器820可用于存储程序代码。存储器820可包括存储程序区和存储数据区，其中，存储程序区可存储用于实现操作系统的指令、用于至少一个功能的指令(比如触控功能、声音播放功能、图像播放功能等)、用于实现下述各个方法实施例的指令等；存储数据 区可存储根据计算机设备800的使用所创建的数据(比如音频数据、电话本)等。
在一些实施例中，存储器820中存储有不同的无线链路830的接收信标帧的接收方案。以及，不同的无线链路830连接的接入节点的标识、无线链路830的标识等。
该至少两个无线链路830用于连接不同的接入节点(Access Point，AP)。接收AP下发的下行数据。其中，该不同的接入节点为同一路由器中的接入节点或者不同路由器中的接入节点。
在一些实施例中，计算机设备800中还包括显示屏。显示屏是用于显示用户界面的显示组件。在一些实施例中，该显示屏为具有触控功能的显示屏，通过触控功能，用户可以使用手指、触摸笔等任何适合的物体在显示屏上进行触控操作。在一些实施例中，显示屏通常设置在计算机设备800的前面板。在一些实施例中，显示屏被设计成为全面屏、曲面屏、异型屏、双面屏或折叠屏。在一些实施例中，显示屏还被设计成为全面屏与曲面屏的结合，异型屏与曲面屏的结合等，本实施例对此不加以限定。
除此之外，本领域技术人员能够理解，上述附图所示出的计算机设备800的结构并不构成对计算机设备800的限定，计算机设备800包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。比如，计算机设备800中还包括麦克风、扬声器、输入单元、传感器、音频电路、模块、电源、蓝牙模块等部件，在此不再赘述。
本申请还提供一种计算机可读介质，该计算机可读介质存储有至少一条计算机程序，该至少一条计算机程序由该处理器加载并执行以实现如上各个实施例示出的图像拍摄方法。
本申请还提供了一种计算机程序产品，该计算机程序产品存储有至少一条计算机程序，该至少一条计算机程序由该处理器加载并执行以实现如上各个实施例示出的图像拍摄方法。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
本领域普通技术人员可以理解实现上述实施例的图像拍摄方法中全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。以上所述仅为本申请的可选实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。
Claims (20)
- 一种图像拍摄方法，所述方法包括：检测对第一图像采集装置的操作指令，所述操作指令为开启指令或者拍摄模式的切换指令；响应于所述操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；通过所述第一图像采集装置，基于所述目标拍摄参数拍摄图像。
- 根据权利要求1所述的方法，所述响应于所述操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数，包括：响应于所述操作指令，通过所述第二图像采集装置拍摄图像，基于所述图像的图像特征对所述第二图像采集装置当前的拍摄参数进行调整；将调整后的所述拍摄参数确定为所述目标拍摄参数。
- 根据权利要求2所述的方法，所述响应于所述操作指令，通过所述第二图像采集装置拍摄图像，基于所述图像的图像特征对所述第二图像采集装置当前的拍摄参数进行调整，包括：响应于所述操作指令，每次通过所述第二图像采集装置拍摄一帧图像，基于所述图像的图像特征对所述第二图像采集装置当前的拍摄参数进行调整；或者，响应于所述操作指令，每次通过所述第二图像采集装置拍摄多帧图像，从所述多帧图像中选取一帧图像，基于所述图像的图像特征对当前的拍摄参数进行调整。
- 根据权利要求2所述的方法，所述将调整后的所述拍摄参数确定为所述目标拍摄参数，包括：在所述第一图像采集装置执行所述操作指令完成的情况下，将所述第二图像采集装置当前的拍摄参数确定为所述目标拍摄参数。
- 根据权利要求1所述的方法，所述响应于所述操作指令，通过第二图像采 集装置拍摄图像，包括：响应于所述操作指令，从除所述第一图像采集装置以外的至少两个图像采集装置中，选取与所述第一图像采集装置的拍摄范围一致的第二图像采集装置，通过所述第二图像采集装置拍摄图像。
- 根据权利要求1所述的方法，所述通过所述第一图像采集装置，基于所述目标拍摄参数拍摄图像之后，所述方法还包括：基于所述第一图像采集装置或者第三图像采集装置拍摄的图像的图像特征，对所述第一图像采集装置当前的拍摄参数进行调整；其中，所述第三图像采集装置为与所述第一图像采集装置的拍摄范围一致的任一图像采集装置。
- 根据权利要求1所述的方法，所述第二图像采集装置的原始拍摄参数包括原始拍摄帧率或原始分辨率中的至少一个；所述通过第二图像采集装置拍摄图像，包括：增加所述第二图像采集装置的拍摄帧率或分辨率中的至少一个，得到调整后的拍摄参数；通过所述第二图像采集装置，按照所述调整后的拍摄参数拍摄图像。
- 根据权利要求7所述的方法，所述通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数之后，所述方法还包括以下至少一项：将所述第二图像采集装置的拍摄帧率恢复至所述原始拍摄帧率；将所述第二图像采集装置的分辨率恢复至所述原始分辨率。
- 根据权利要求1所述的方法，所述检测对第一图像采集装置的操作指令，包括：在所述第一图像采集装置处于开启状态的情况下，显示多种拍摄模式对应的模式选取控件；响应于对任一模式选取控件的选取操作，在所述第一图像采集装置当前的 拍摄模式与所述模式选取控件对应的拍摄模式不同的情况下，确定检测到拍摄模式的切换指令。
- 一种图像拍摄装置，所述装置包括：指令检测模块，用于检测对第一图像采集装置的操作指令，所述操作指令为开启指令或者拍摄模式的切换指令；参数确定模块，用于响应于所述操作指令，通过第二图像采集装置拍摄图像，基于所拍摄的图像的图像特征确定目标拍摄参数；图像拍摄模块，用于通过所述第一图像采集装置，基于所述目标拍摄参数拍摄图像。
- 根据权利要求10所述的装置，所述参数确定模块，包括：参数调整单元，用于响应于所述操作指令，通过所述第二图像采集装置拍摄图像，基于所述图像的图像特征对所述第二图像采集装置当前的拍摄参数进行调整；参数确定单元，用于将调整后的所述拍摄参数确定为所述目标拍摄参数。
- 根据权利要求11所述的装置，所述参数调整单元，用于：响应于所述操作指令，每次通过所述第二图像采集装置拍摄一帧图像，基于所述图像的图像特征对所述第二图像采集装置当前的拍摄参数进行调整；或者，响应于所述操作指令，每次通过所述第二图像采集装置拍摄多帧图像，从所述多帧图像中选取一帧图像，基于所述图像的图像特征对当前的拍摄参数进行调整。
- 根据权利要求11所述的装置，所述参数确定单元，用于在所述第一图像采集装置执行所述操作指令完成的情况下，将所述第二图像采集装置当前的拍摄参数确定为所述目标拍摄参数。
- 根据权利要求10所述的装置，所述参数确定模块，用于响应于所述操作指令，从除所述第一图像采集装置以外的至少两个图像采集装置中，选取与所 述第一图像采集装置的拍摄范围一致的第二图像采集装置，通过所述第二图像采集装置拍摄图像。
- 根据权利要求10所述的装置，所述装置还包括：参数调整模块，用于基于所述第一图像采集装置或者第三图像采集装置拍摄的图像的图像特征，对所述第一图像采集装置当前的拍摄参数进行调整；其中，所述第三图像采集装置为与所述第一图像采集装置的拍摄范围一致的任一图像采集装置。
- 根据权利要求10所述的装置，所述第二图像采集装置的原始拍摄参数包括原始拍摄帧率或原始分辨率中的至少一个；所述参数确定模块，用于增加所述第二图像采集装置的拍摄帧率或分辨率中的至少一个，得到调整后的拍摄参数；通过所述第二图像采集装置，按照所述调整后的拍摄参数拍摄图像。
- 根据权利要求16所述的装置，所述参数确定模块，还用于执行以下至少一项：将所述第二图像采集装置的拍摄帧率恢复至所述原始拍摄帧率；将所述第二图像采集装置的分辨率恢复至所述原始分辨率。
- 根据权利要求17所述的装置，所述指令检测模块，用于在所述第一图像采集装置处于开启状态的情况下，显示多种拍摄模式对应的模式选取控件；响应于对任一模式选取控件的选取操作，在所述第一图像采集装置当前的拍摄模式与所述模式选取控件对应的拍摄模式不同的情况下，确定检测到拍摄模式的切换指令。
- 一种计算机设备，所述计算机设备包括处理器和存储器；所述存储器存储有至少一条计算机程序，所述至少一条计算机程序用于被所述处理器执行以实现如权利要求1至9任一所述的图像拍摄方法。
- 一种计算机可读存储介质，所述存储介质存储有至少一条计算机程序，所述至少一条计算机程序用于被处理器执行以实现如权利要求1至9任一所述的图像拍摄方法。
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