CN110830715B - Photographing method and electronic equipment - Google Patents
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- H—ELECTRICITY
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Abstract
The invention relates to the technical field of image processing, and provides a photographing method and electronic equipment to solve the problem of poor image blurring effect. The method comprises the following steps: acquiring a first image shot by a first camera, controlling a second camera to rotate and acquire the image, and acquiring a second image acquired when the second camera rotates to the same direction as the first camera; and performing fusion processing on the first image and the second image based on the target object in the first image to output a third image. The second image is rotated through the rotatable second camera, and the image is acquired under the condition that the second image is rotated to the direction same as that of the first camera, the image acquired by the camera in the rotating process is easy to blur, and the second image is acquired by the second camera, so that the authenticity of the image can be ensured. The first image and the second image are fused through the target object, image blurring is achieved, authenticity of an area outside the target object in the third image can be guaranteed, and blurring effect is improved.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to a photographing method and an electronic device.
Background
With the rapid development of computer technology, electronic devices have more and more powerful functions, can provide services in various aspects, and provide convenience for life, work and the like of people. For example, photographing is a common service provided by electronic devices through which a user can take a picture. With the increasing demand for photographing, various photographing modes are developed, for example, a background blurring photographing mode, a photographing mode in which a focus is focused on a certain target region in an image and a region other than the target region in the image is blurred, the target region in the image can be highlighted, and the region other than the target region can be blurred.
In the prior art, a background virtualization photographing mode is adopted to perform photographing, after an image is acquired, on the basis of the acquired image, pixel points are processed in a background area in the acquired image through an algorithm, so that the background area is blurred, and background virtualization photographing is realized. However, when the background blurring is performed in the above manner, since the background region in the blurring image is subjected to pixel processing by an algorithm, the background region in the image is easily inconsistent with the actual background, so that the reality of the background region in the image is not high, and the blurring effect is not good.
Disclosure of Invention
The embodiment of the invention provides a photographing method and electronic equipment, and aims to solve the problem that the blurring effect is poor in the photographing process in the prior art.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a photographing method, which is applied to an electronic device including a first camera and a rotatable second camera, and the method includes:
acquiring a first image shot by the first camera;
acquiring a target object in the first image;
controlling the second camera to rotate and collect images, and acquiring second images collected when the second camera rotates to the same direction as the first camera;
and based on the target object, carrying out fusion processing on the first image and the second image to obtain an output third image.
In a second aspect, an embodiment of the present invention further provides an electronic device, including a first camera and a rotatable second camera, where the electronic device includes:
the first image acquisition module is used for acquiring a first image shot by the first camera;
the object acquisition module is used for acquiring a target object in the first image;
the second image acquisition module is used for controlling the second camera to rotate and acquiring images and acquiring second images acquired when the second camera rotates to the same direction as the first camera;
and the fusion module is used for performing fusion processing on the first image and the second image based on the target object and outputting a third image.
In a third aspect, an embodiment of the present invention further provides an electronic device, including: the photographing method comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the photographing method of each embodiment of the invention when executing the computer program.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the steps in the photographing method according to the embodiments of the present invention.
In the photographing method of the embodiment of the application, first, a first image photographed by the first camera in a first photographing direction may be acquired, and a target object in the first image may be acquired. And then controlling the second camera to rotate and collect images, and acquiring a second image collected when the second camera rotates to the same direction as the first camera, namely the direction of the first camera shooting the first image is the same as the direction of the second camera collecting the second image. And then, the first image and the second image are subjected to fusion processing based on the target object, and a third image is output. In the shooting process, after a first image shot by a first camera is acquired, a target object in the first image can be acquired, a second image is not only an image collected by a second camera, but also the second image is acquired by rotating the rotatable second camera under the condition that the second image is rotated to the same direction as the first camera, so that the authenticity of the second image can be ensured, the image collected by the camera in the rotating process is easy to blur, and the image does not need to be subjected to pixel processing by using an algorithm to realize the blur. And in the fusion process, the first image and the second image are fused based on the target object to output a third image, so that image blurring is realized. Therefore, the blurring of the region except the target object can be realized, the target object is highlighted, the authenticity of the region outside the target object in the third image can be ensured, and the blurring effect is improved.
Drawings
FIG. 1 is a flowchart of a photographing method according to an embodiment of the present invention;
FIG. 2 is a second flowchart of a photographing method according to an embodiment of the present invention;
fig. 3 is one of the rotation schematic diagrams of the second camera in the photographing method according to the embodiment of the present invention;
fig. 4 is a second schematic diagram illustrating a rotation of a second camera in the photographing method according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of an electronic device provided by an embodiment of the invention;
fig. 6 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in one embodiment, a photographing method is applied to an electronic device including a first camera and a rotatable second camera, and the method includes:
step 101: a first image shot by a first camera is acquired.
The electronic equipment comprises a main body, a first camera and a second camera, wherein the first camera and the second camera are both arranged at one end of the main body. In the case where the first camera takes an image, the first image taken by the first camera may be acquired. It can be understood that the first camera is fixed at one end of the main body, and in the case of taking a picture, if the orientation of the first camera (which can be understood as the orientation of the lens in the first camera) is the first orientation, the obtained first image is the first image taken by the first camera in the first orientation.
In one example, acquiring a first image taken by a first camera may include: receiving a photographing input; and responding to the photographing input, and acquiring a first image photographed by the first camera.
In the photographing process, the camera application is firstly opened, a photographing interface is entered, that is, a photographing preview interface is obtained, a user can perform photographing input on the photographing interface or perform photographing input on a hardware button of the electronic device (which can be understood as photographing operation, for example, pressing operation on the hardware button), the electronic device can receive the photographing input, and the photographing input user triggers a camera of the electronic device to photograph. The terminal receives the photographing input and then can respond to the photographing input to control the first camera to photograph images, so that the first images photographed by the first camera can be acquired.
Step 102: a target object in the first image is acquired.
After obtaining the first image, the target object in the first image may be acquired. In one example, the target object may be acquired by identifying the first image. For example, a portrait recognition scheme is preset in the electronic device, and the portrait in the first image can be recognized to determine the target portrait, that is, the target object includes the target portrait.
Step 103: and controlling the second camera to rotate and collect images, and acquiring second images collected when the second camera rotates to the same direction as the first camera.
The second camera is rotatable, and at the in-process of shooing, steerable second camera rotates and gathers the image, rotates the in-process at the second camera, and its orientation changes thereupon, rotates the process that the process is the adjustment orientation promptly. In this embodiment, a second image acquired when the second camera rotates to the same direction as the first camera is acquired as a basis for subsequent fusion. For example, if the first camera is a first image captured in a first orientation, a second image captured when the second camera is rotated to the first orientation is acquired. The second image is the image collected in the rotation process, so that the authenticity of the second image can be ensured, the collected image is easy to generate blur in the rotation process, and the third image blurring effect obtained by subsequent fusion can be ensured.
Step 104: and performing fusion processing on the first image and the second image based on the target object, and outputting a third image.
After the second image is obtained, the target object can be used for carrying out fusion processing on the first image and the second image to obtain a third image, and image photographing is completed. In the fusion process, a first image shot by the first camera and a second image collected by the second camera in the rotation process are fused, and a target object in the first image is utilized to fuse the first image and the second image in the fusion process.
In the photographing method of the embodiment of the application, first, a first image photographed by the first camera in a first photographing direction may be acquired, and a target object in the first image may be acquired. And then controlling the second camera to rotate and collect images, and acquiring a second image collected when the second camera rotates to the same direction as the first camera, namely the direction of the first camera shooting the first image is the same as the direction of the second camera collecting the second image. And then, the first image and the second image are subjected to fusion processing based on the target object, and a third image is output. In the shooting process, after a first image shot by a first camera is acquired, a target object in the first image can be acquired, a second image is not only an image collected by a second camera, but also the second image is acquired by rotating the rotatable second camera under the condition that the second image is rotated to the same direction as the first camera, so that the authenticity of the second image can be ensured, the image collected by the camera in the rotating process is easy to blur, and the image does not need to be subjected to pixel processing by using an algorithm to realize the blur. And in the fusion process, the target object is used for carrying out fusion processing on the first image and the second image to obtain an output third image, so that image blurring is realized. Therefore, the blurring of the region except the target object can be realized, the target object is highlighted, the authenticity of the region outside the target object in the third image can be ensured, and the blurring effect is improved.
In one example, the electronic Device may be, but is not limited to, a Mobile phone, a tablet Computer (tablet personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or the like.
In one embodiment, controlling the second camera to rotate and acquire an image, and acquiring a second image acquired when the second camera rotates to the same direction as the first camera, includes: controlling the second camera to rotate a first angle along the first direction; controlling a second camera to rotate along a second direction opposite to the first direction and collecting images; acquiring a second image acquired under the condition that the second camera rotates by a first angle along a second direction; the orientation of the second camera is different from that of the first camera under the condition that the second camera rotates for a first angle along the first direction, and the orientation of the second camera is the same as that of the first camera under the condition that the second camera rotates for the first angle along the second direction. In this embodiment, please refer to fig. 2, which provides a photographing method applied to an electronic device including a first camera and a rotatable second camera, including:
step 201: a first image shot by a first camera is acquired.
Step 202: a target object in the first image is acquired.
The steps 201-202 correspond to the steps 101-102 one by one, and are not described herein again.
Step 203: and controlling the second camera to rotate a first angle along the first direction.
Under the condition that the second camera rotates for a first angle along the first direction, the orientation of the second camera is different from that of the first camera.
Step 204: controlling a second camera to rotate along a second direction opposite to the first direction and collecting images;
step 205: and acquiring a second image acquired under the condition that the second camera rotates by a first angle along a second direction.
And under the condition that the second camera rotates by a first angle along the second direction, the second camera and the first camera are in the same direction.
It can be understood that, before the second camera rotates along the first direction, the orientation of the second camera is the same as that of the first camera, and under the condition that the second camera is controlled to rotate along the first direction to a first angle, the orientation of the second camera is different from that of the first camera, and the orientation of the second camera and that of the first camera can be the first angle. And then the second camera is controlled to rotate along a second direction opposite to the first direction, images can be collected in the rotating process, namely the second camera can be obtained to rotate by a first angle along the second direction, under the condition that the second camera rotates by the first angle along the second direction, the orientation of the second camera is the same as that of the first camera, and the second images collected under the condition that the orientations of the second camera and the first camera are the same are obtained, namely the orientations when the first image and the second image are shot are the same, the second images are the images collected under the condition that the orientations of the second camera and the first camera are the same in the rotating process, the blurring is easy to generate, and the subsequent blurring of areas except the target object is facilitated.
Step 206: and performing fusion processing on the first image and the second image based on the target object, and outputting a third image.
Step 206 corresponds to step 104, and is not described herein again.
In this embodiment, the second camera is controlled to rotate by a first angle in the first direction, and then the second camera is controlled to rotate in the second direction opposite to the first direction and acquire an image, and a second image acquired when the second camera rotates by the first angle in the second direction is acquired, that is, the image is acquired in the rotation process, so that blurring of the acquired second image can be ensured.
In one embodiment, before controlling the second camera to rotate and acquire the image, the method further includes: and acquiring a first parameter, wherein the first parameter comprises a first angle, a second direction, a rotating speed and exposure time.
In this embodiment, controlling the second camera to rotate and collect the image in a second direction opposite to the first direction includes: controlling a second camera to rotate at a rotating speed and acquire an image along a second direction opposite to the first direction; and the second image is an image acquired by the second camera through exposure in the exposure time.
The first parameter is required to be acquired before the second camera is controlled to rotate, wherein the first parameter comprises the first angle and the second direction, in addition, the rotation speed and the exposure time are also included, namely, in the process of controlling the rotation, the second camera is controlled to rotate at the rotation speed, the second image acquired by exposure in the exposure time under the condition of rotating the first angle is acquired, and the second images with different fuzzy degrees can be acquired at different exposure times and rotation speeds, so that different requirements on photographing can be met, and the photographing flexibility is improved.
In one example, the degree of blur of the second image is determined according to the exposure time and the rotation speed, the degree of blur of the second image is positively correlated with the exposure time and the rotation speed, the direction of blur of the second image is determined according to the second direction, and the direction of blur of the second image is the same as the second direction.
That is, the degree of blur of the second image is determined by the moving speed and the exposure time, and the greater the rotating speed, the greater the degree of blur, and the greater the exposure time, the greater the degree of blur. The blurring direction is determined by the second direction, the blurring direction being the same as the second direction. The blurring direction can be understood as a motion blurring direction, the motion can cause blurring of a shot image, and the resolution of the image can be reduced, the blurring direction is a parameter of the image, the blurring direction refers to the blurring direction of the shot image, the second camera rotates along the second direction and is exposed at the same time, the obtained image can generate a certain smear in the rotating direction of the second camera, and the smear direction is the blurring direction. For example, if the second camera is rotated left and right, a smear is generated in the horizontal direction. In this embodiment, the second camera captures images during rotation, that is, during movement, and the second image is captured when the second camera is rotated to the same direction as the first camera, and blur is easily generated, and the direction of blur in the second image is determined by the second direction of rotation. Before the second camera is controlled to rotate, the parameters such as the first angle, the second direction, the rotating speed, the exposure time and the like can be acquired firstly, and then the second camera is controlled to rotate and expose according to the parameters, so that the requirement for photographing is met, and the flexibility of photographing is improved.
In one embodiment, obtaining the first parameter comprises: receiving a first input; responding to the first input, and displaying a shooting preview interface; a second input is received at the capture preview interface, and the first parameter is determined based on the second input.
That is, the camera application in the electronic device is opened, that is, the shooting preview interface can be displayed, and in this embodiment, the first input may be a click input to the camera application. The user can set parameters on the shooting preview interface, namely, the third input is carried out, the first parameters can be determined by receiving the third input, and therefore different requirements of the user on the parameters can be met, and different requirements of the user on shooting are met.
In one embodiment, the fusion processing of the first image and the second image based on the target object, and the outputting of the third image comprises: performing convolution processing on a first pixel value matrix of the first image and a second pixel value matrix of the target object to generate a third pixel value matrix; performing convolution processing on a fourth pixel value matrix and a fifth pixel value matrix of the second image to generate a sixth pixel value matrix; and summing the third pixel value matrix and the sixth pixel value matrix, and outputting a pixel value matrix of the third image. Wherein the fifth pixel value matrix is a seventh pixel value matrix minus the second pixel value matrix of the target object, the size of the seventh pixel value matrix is the same as the size of the second pixel value matrix of the target object, and each pixel value in the seventh pixel value matrix is 1.
An image may be regarded as a matrix of pixel values, the process of fusing the first image and the second image may be understood as a process of fusing the matrix of pixel values of the first image and the matrix of pixel values of the second image, and the process of outputting the matrix of pixel values of the third image may be understood as outputting the third image. In the fusion process, firstly, a first pixel value matrix of a first image is convolved by a second pixel value matrix of a target object to obtain a third pixel value matrix, and a fourth pixel value matrix of a second image is convolved by a fifth pixel value matrix to obtain a sixth pixel value matrix, wherein the fifth pixel value matrix is obtained based on the second pixel value matrix of the target object, namely, the pixel values in the fifth pixel value matrix are obtained by subtracting the second pixel value matrix of the target object from a seventh pixel value matrix with 1 pixel value. And adding the obtained third pixel value matrix and the sixth pixel value matrix to obtain a pixel value matrix of a third image, outputting the pixel value matrix, finishing the fusion of the images and realizing the photographing. Through the fusion process, the first pixel value matrix of the first image is convolved by the second pixel value matrix of the target object, the target object can be highlighted, the second image can be blurred by convolving the fourth pixel value matrix of the second image by the fifth pixel value matrix, and then the two processed results are added, so that the target object in the obtained third image can be highlighted, and the background area except the target object is blurred, thereby improving the blurring effect.
The following describes the procedure of the above photographing method in an embodiment.
First, a camera application is opened in the electronic device, and a shooting preview interface (i.e., a camera preview interface) is entered, the camera application provides a normal shooting mode and a background-blurred shooting mode, i.e., a shooting mode in which a subject is clear and a background is blurred, in this embodiment, a user selects the background mode.
The user can set parameters on the shooting preview interface, and the values of the parameters are different, and the corresponding shooting effects are different. For example, in the present embodiment, a first angle (i.e., a rotation angle), a second direction (i.e., a rotation direction), a rotation speed, and an exposure time may be set. The rotation angle, namely the rotation angle of the second camera, and the rotation angle of the second camera after the second camera rotation motor receives the rotation instruction, and the parameter determines the position where the second camera stays after first rotation. The direction of rotation, the direction that the second camera rotated promptly, if the second camera supports the multiaxis rotation, can have different combinations according to different axial, have different directions to select promptly. Taking a single axis as an example, the selectable directions include a clockwise direction and a counterclockwise direction, i.e. the rotation direction may be a clockwise direction or a counterclockwise direction, and this parameter may determine the blurring direction of the finally fused third image. The rotation speed, i.e. the speed at which the second camera rotates, is measured in degrees per second, and this parameter determines the degree of blur of the third image finally obtained by fusion. And the exposure time, namely the exposure time of the second camera, namely the exposure is carried out according to the exposure time in the rotating process of the second camera, and the fuzzy degree of the third image is determined by matching with the rotation.
In one example, the degree of blur is F (exposure time × rotation speed), the direction of rotation is the direction of blur, i.e., the exposure time and the rotation speed together determine the degree of blur, F is a function in which the exposure time and the rotation speed are mapped to the degree of blur, and specifically, the product of the exposure time and the rotation speed may be used as an input of an F function, the degree of blur is an output of the F function, and the direction of rotation is determined by the direction of blur.
After the parameter setting is completed, the user can click the photographing button in the photographing preview interface, the electronic device can receive photographing input and send a photographing instruction to the first camera, the first camera takes a photograph after receiving the photographing instruction to obtain a first image, and a target object in the first image can be identified, for example, a preset portrait segmentation technology is utilized to extract a target portrait in the first image. After receiving the photographing input, the electronic equipment sends a control instruction to the second camera, the second camera is started after receiving the control instruction, and the second camera starts to rotate and collect images under the action of the control instruction. Specifically, the first angle is rotated in a first direction opposite to the set second direction, and then the first angle is rotated in the second direction, and a second image acquired when the camera is rotated in the first angle in the second direction (at this time, the orientation of the second camera is the same as that of the first camera) is acquired.
For example, the second direction is clockwise, the first angle is α, and the second camera is initially oriented in the same direction as the first camera, and it can be understood that the second camera is parallel to the electronic device, and the second camera is first controlled to rotate in the counterclockwise direction by an angle of α (which can be rotated at the above-mentioned set rotation speed), as shown in fig. 3. At this time, the second camera and the first camera are oriented in different directions and form an angle α therebetween. And then controlling the second camera to rotate at the set rotating speed in the clockwise direction and carrying out exposure acquisition on the images at the set exposure time, so as to obtain a second image acquired under the condition that the second camera rotates by an angle alpha in the clockwise direction, wherein the second camera and the first camera face the same direction.
For another example, the second direction is counterclockwise, the first angle is α, and the second camera is initially oriented in the same direction as the first camera, and the second camera is first controlled to rotate clockwise by an angle α (which can be rotated at the above-mentioned set rotational speed), as shown in fig. 4. At this time, the second camera and the first camera are oriented in different directions and form an angle α therebetween. Then, the second camera is controlled to rotate at the set rotating speed in the anticlockwise direction and acquire images, a second image acquired under the condition that the second camera rotates by an angle alpha in the anticlockwise direction can be acquired, and at the moment, the orientation of the second camera is the same as that of the first camera.
The second camera rotates and collects images, exposure is carried out within the set exposure time, the second camera rotates in the second direction by an angle alpha, the orientation of the second camera is the same as that of the first camera, and the second images collected under the condition that the second camera rotates by the angle alpha are stored. Since the second image is an image acquired by the second camera when the second camera rotates by an angle α in the rotation process, blurring is likely to occur, but the second image is an image acquired by the second camera and authenticity of the second camera can be ensured.
The images collected by the first camera and the second camera are both corresponding sensor raw data (each camera has a corresponding sensor, and the sensor data corresponds to the sensor data) which are processed by a plurality of processes of an Image Signal Processor (ISP) in the electronic device chip, for example, dead pixel removal, gamma correction, color enhancement, dryness removal and the like.
Then, the first image and the second image may be subjected to fusion processing by the target object, and first, the first pixel value matrix of the first image and the second pixel value matrix of the target object are subjected to convolution processing to generate a third pixel value matrix. And performing convolution processing on a fourth pixel value matrix and a fifth pixel value matrix of the second image to generate a sixth pixel value matrix, wherein the fifth pixel value matrix is obtained by subtracting the second pixel value matrix of the target object from a seventh pixel value matrix, the size of the seventh pixel value matrix is the same as that of the second pixel value matrix of the target object, and each pixel value in the seventh pixel value matrix is 1. And summing the third pixel value matrix and the sixth pixel value matrix to obtain a pixel value matrix of a third image, so as to realize the fusion of the images. The specific fusion formula is as follows:
I_final＝I_main*I_mask+I_rotate*(1-I_mask)。
wherein, I _ final is a pixel value matrix of the third image, I _ main is a first pixel value matrix of the first image, I _ mask is a second pixel value matrix of the target object, I _ rotate is a fourth pixel value matrix of the second image, and the result of 1-I _ mask is a fifth pixel value matrix.
In the process of shooting by the shooting method, after a first image shot by the first camera is acquired, a target object in the first image can be identified, a second image collected by the second camera is acquired in the process of rotating the second camera, the second image is not only the image collected by the second camera, but also the rotatable second camera is rotated, the image is acquired under the condition that the orientation of the rotatable second camera is the same as that of the first camera, the image shot by the camera in the process of rotating is easy to blur, the distortion of the second image can be reduced, and the authenticity of the image is ensured. And in the fusion process, the target object is used for carrying out fusion processing on the first image and the second image to output a third image, so that image blurring is realized. Therefore, the blurring of the region except the target object can be realized, the target object is highlighted, the authenticity of the region outside the target object in the third image can be ensured, and the blurring effect is improved. Namely, the third image with the clear background of the target object and fuzzy background can be obtained by the photographing method.
As shown in fig. 5, the present invention further provides an electronic device 500 of an embodiment, including an electronic device with a first camera and a rotatable second camera, the electronic device including:
a first image obtaining module 501, configured to obtain a first image captured by a first camera;
an object obtaining module 502, configured to obtain a target object in a first image;
a second image obtaining module 503, configured to control the second camera to rotate and collect an image, and obtain a second image collected when the second camera rotates to the same direction as the first camera;
and a fusion module 504, configured to perform fusion processing on the first image and the second image based on the target object, and output a third image.
In one embodiment, the first image acquisition module 501 includes:
the photographing input receiving module is used for receiving photographing input;
and the image acquisition submodule is used for responding to the photographing input and acquiring a first image photographed by the first camera.
In one embodiment, the second image acquisition module includes:
the first control module is used for controlling the second camera to rotate a first angle along a first direction;
the second control module is used for controlling the second camera to rotate along a second direction opposite to the first direction and collecting images;
the third acquisition module is used for acquiring a second image acquired under the condition that the second camera rotates by a first angle along the second direction;
the orientation of the second camera is different from that of the first camera under the condition that the second camera rotates for a first angle along the first direction, and the orientation of the second camera is the same as that of the first camera under the condition that the second camera rotates for the first angle along the second direction.
In one embodiment, the electronic device 500 further comprises:
the first parameter acquisition module is used for acquiring a first parameter, wherein the first parameter comprises a first angle, a second direction, a rotating speed and exposure time;
the second control module is used for controlling the second camera to rotate at a rotating speed and collecting images along a second direction opposite to the first direction;
and the second image is an image acquired by the second camera through exposure in the exposure time.
In one embodiment, the first parameter obtaining module includes:
the first input receiving module is used for receiving a first input;
the display module is used for responding to the first input and displaying a shooting preview interface;
and the first parameter determining module is used for receiving a third input in the shooting preview interface and determining the first parameter based on the third input.
In one embodiment, the blur degree of the second image is determined according to the exposure time and the rotation speed, the blur degree of the second image is positively correlated with the exposure time and the rotation speed, the blur direction of the second image is determined according to the second direction, and the blur direction of the second image is the same as the second direction.
In one embodiment, a fusion module includes:
the first convolution processing module is used for performing convolution processing on a first pixel value matrix of the first image and a second pixel value matrix of the target object to generate a third pixel value matrix;
the second convolution processing module is used for performing convolution processing on a fourth pixel value matrix and a fifth pixel value matrix of the second image to generate a sixth pixel value matrix;
the pixel summation module is used for carrying out summation processing on the third pixel value matrix and the sixth pixel value matrix and outputting a pixel value matrix of the third image;
wherein the fifth pixel value matrix is a seventh pixel value matrix minus the second pixel value matrix of the target object, the size of the seventh pixel value matrix is the same as the size of the second pixel value matrix of the target object, and each pixel value in the seventh pixel value matrix is 1.
The technical features in the electronic device provided by the embodiment of the present invention correspond to the technical features in the above-mentioned photographing method, and each process of the above-mentioned photographing method is implemented by the electronic device, and the same effect can be obtained, and no further description is given here to avoid repetition.
Fig. 6 is a schematic diagram of a hardware structure of an electronic device 600 for implementing various embodiments of the present invention, where the electronic device 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611. Those skilled in the art will appreciate that the electronic device configuration shown in fig. 6 does not constitute a limitation of the electronic device, and that the electronic device may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted mobile terminal, a wearable device, a pedometer, and the like.
The processor 610 is configured to obtain a first image captured by a first camera; acquiring a target object in a first image; controlling the second camera to rotate and acquire images, and acquiring second images acquired when the second camera rotates to the same direction as the first camera; and performing fusion processing on the first image and the second image based on the target object, and outputting a third image.
In the shooting process, after a first image shot by a first camera is acquired, a target object in the first image can be acquired, a second image is not only an image collected by a second camera, but also the second image is rotated by a rotatable second camera and is collected under the condition that the second image is rotated to the same direction as the first camera, the image collected by the camera in the rotating process is easy to blur, and the image does not need to be subjected to pixel processing by using an algorithm to realize blur, so that the distortion of the second image can be reduced, and the authenticity of the second image can be ensured. And in the fusion process, the target object is used for carrying out fusion processing on the first image and the second image to output a third image, so that image blurring is realized. Therefore, the blurring of the region except the target object can be realized, the target object is highlighted, the authenticity of the region outside the target object in the third image can be ensured, and the blurring effect is improved.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 601 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 610; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. Further, the radio frequency unit 601 may also communicate with a network and other devices through a wireless communication system.
The electronic device provides wireless broadband internet access to the user via the network module 602, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 603 may convert audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as sound. Also, the audio output unit 603 may also provide audio output related to a specific function performed by the electronic apparatus 600 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
The input unit 604 is used to receive audio or video signals. The input Unit 604 may include a Graphics Processing Unit (GPU) 6041 and a microphone 6042, and the Graphics processor 6041 processes image data of a still picture or video obtained by an image capturing electronic apparatus (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 606. The image frames processed by the graphic processor 6041 may be stored in the memory 609 (or other storage medium) or transmitted via the radio frequency unit 601 or the network module 602. The microphone 6042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 601 in case of the phone call mode.
The electronic device 600 also includes at least one sensor 605, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 6091 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 6091 and/or the backlight when the electronic device 600 is moved to the ear. As one type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of an electronic device (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 605 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 606 is used to display information input by the user or information provided to the user. The Display unit 606 may include a Display panel 6061, and the Display panel 6061 may be configured by a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 607 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic device. Specifically, the user input unit 607 includes a touch panel 6071 and other input devices 6072. Touch panel 6071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 6071 using a finger, stylus, or any suitable object or accessory). The touch panel 6071 may include two portions, a touch detection electronics and a touch controller. The touch detection electronic equipment detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing electronics, converts it to touch point coordinates, and sends the touch point coordinates to the processor 610, receives commands from the processor 610, and executes the commands. In addition, the touch panel 6071 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 607 may include other input devices 6072 in addition to the touch panel 6071. Specifically, the other input devices 6072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a track ball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 6071 can be overlaid on the display panel 6061, and when the touch panel 6071 detects a touch operation on or near the touch panel 6071, the touch operation is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 provides a corresponding visual output on the display panel 6061 according to the type of the touch event. Although the touch panel 6071 and the display panel 6061 are shown in fig. 6 as two separate components to implement the input and output functions of the electronic device, in some embodiments, the touch panel 6071 and the display panel 6061 may be integrated to implement the input and output functions of the electronic device, and this is not limited here.
The interface unit 608 is an interface for connecting an external electronic device to the electronic device 600. For example, the external electronic device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting an electronic device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 608 may be used to receive input (e.g., data information, power, etc.) from an external electronic device and transmit the received input to one or more elements within the electronic device 600 or may be used to transmit data between the electronic device 600 and the external electronic device.
The memory 609 may be used to store software programs as well as various data. The memory 609 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 609 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 610 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, performs various functions of the electronic device and processes data by running or executing software programs and/or modules stored in the memory 609, and calling data stored in the memory 609, thereby performing overall monitoring of the electronic device. Processor 610 may include one or more processing units; preferably, the processor 610 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 610.
The electronic device 600 may further include a power supply 611 (e.g., a battery) for supplying power to the various components, and preferably, the power supply 611 may be logically connected to the processor 610 via a power management system, such that the power management system may be used to manage charging, discharging, and power consumption.
In addition, the electronic device 600 includes some functional modules that are not shown, and are not described in detail herein.
An embodiment of the present invention further provides an electronic device, which includes a processor 610 and a memory 609, where the memory 609 stores a computer program that can be run on the processor 610, and when the computer program is executed by the processor 610, the computer program implements each process in the foregoing photographing method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the processes of the above-mentioned photographing method embodiment, and can achieve the same technical effects, and in order to avoid repetition, the descriptions thereof are omitted here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or electronic device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or electronic device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or electronic device that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling an electronic device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A photographing method is applied to an electronic device comprising a first camera and a rotatable second camera, and is characterized by comprising the following steps:
acquiring a first image shot by the first camera;
acquiring a target object in the first image;
controlling the second camera to rotate and collect images, and acquiring second images collected when the second camera rotates to the same direction as the first camera;
based on the target object, performing fusion processing on the first image and the second image, and outputting a third image;
the control the second camera rotates and gathers the image, obtains the second camera rotate with the second image that gathers under the same circumstances of orientation of first camera, includes:
controlling the second camera to rotate a first angle along a first direction;
controlling the second camera to rotate along a second direction opposite to the first direction and collecting images;
acquiring a second image acquired under the condition that the second camera rotates by the first angle along the second direction;
wherein, under the condition that the second camera rotates the first angle along the first direction, the orientation of the second camera is different from that of the first camera, and under the condition that the second camera rotates the first angle along the second direction, the orientation of the second camera is the same as that of the first camera.
2. The method of claim 1, wherein before controlling the second camera to rotate and capture the image, further comprising:
acquiring a first parameter, wherein the first parameter comprises the first angle, the second direction, the rotating speed and the exposure time;
the controlling the second camera to rotate and collect images along a second direction opposite to the first direction includes:
controlling the second camera to rotate at the rotating speed and collect images along a second direction opposite to the first direction;
and the second image is an image acquired by the second camera through exposure in the exposure time.
3. The method according to claim 2, wherein the blur degree of the second image is determined according to the exposure time and the rotation speed, the blur degree of the second image is positively correlated with the exposure time and the rotation speed, respectively, the blur direction of the second image is determined according to the second direction, and the blur direction of the second image is the same as the second direction.
4. The method according to claim 1, wherein the fusing the first image and the second image based on the target object and outputting a third image comprises:
performing convolution processing on a first pixel value matrix of the first image and a second pixel value matrix of the target object to generate a third pixel value matrix;
performing convolution processing on a fourth pixel value matrix and a fifth pixel value matrix of the second image to generate a sixth pixel value matrix;
summing the third pixel value matrix and the sixth pixel value matrix, and outputting a pixel value matrix of the third image;
wherein the fifth pixel value matrix is a seventh pixel value matrix minus the second pixel value matrix of the target object, the size of the seventh pixel value matrix is the same as the size of the second pixel value matrix of the target object, and each pixel value in the seventh pixel value matrix is 1.
5. An electronic device comprising a first camera and a rotatable second camera, the electronic device comprising:
the first image acquisition module is used for acquiring a first image shot by the first camera;
the object acquisition module is used for acquiring a target object in the first image;
the second image acquisition module is used for controlling the second camera to rotate and acquiring images and acquiring second images acquired when the second camera rotates to the same direction as the first camera;
the fusion module is used for performing fusion processing on the first image and the second image based on the target object and outputting a third image;
the second image acquisition module includes:
the first control module is used for controlling the second camera to rotate a first angle along a first direction;
the second control module is used for controlling the second camera to rotate along a second direction opposite to the first direction and collecting images;
the third acquisition module is used for acquiring a second image acquired under the condition that the second camera rotates by the first angle along the second direction;
wherein, under the condition that the second camera rotates the first angle along the first direction, the orientation of the second camera is different from that of the first camera, and under the condition that the second camera rotates the first angle along the second direction, the orientation of the second camera is the same as that of the first camera.
6. The electronic device of claim 5, further comprising:
a first parameter obtaining module, configured to obtain a first parameter, where the first parameter includes the first angle, the second direction, a rotation speed, and an exposure time;
the second control module is used for controlling the second camera to rotate at the rotating speed and collecting images along a second direction opposite to the first direction;
and the second image is an image acquired by the second camera through exposure in the exposure time.
7. The electronic device according to claim 6, wherein a blur degree of the second image is determined according to the exposure time and the rotation speed, the blur degree of the second image is positively correlated with the exposure time and the rotation speed, respectively, a blur direction of the second image is determined according to the second direction, and the blur direction of the second image is the same as the second direction.
8. The electronic device of claim 5, wherein the fusion module comprises:
the first convolution processing module is used for performing convolution processing on a first pixel value matrix of the first image and a second pixel value matrix of the target object to generate a third pixel value matrix;
the second convolution processing module is used for performing convolution processing on a fourth pixel value matrix and a fifth pixel value matrix of the second image to generate a sixth pixel value matrix;
the pixel summation module is used for carrying out summation processing on the third pixel value matrix and the sixth pixel value matrix and outputting a pixel value matrix of the third image;
wherein the fifth pixel value matrix is a seventh pixel value matrix minus the second pixel value matrix of the target object, the size of the seventh pixel value matrix is the same as the size of the second pixel value matrix of the target object, and each pixel value in the seventh pixel value matrix is 1.
9. An electronic device, comprising: memory and processor, characterized in that the memory stores a computer program which when executed by the processor implements the steps in the photographing method according to any of the claims 1-4.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the photographing method according to any one of claims 1-4 above.
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