CN114390219A - Shooting method, shooting device, electronic equipment and storage medium - Google Patents

Shooting method, shooting device, electronic equipment and storage medium Download PDF

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Publication number
CN114390219A
CN114390219A CN202210054654.7A CN202210054654A CN114390219A CN 114390219 A CN114390219 A CN 114390219A CN 202210054654 A CN202210054654 A CN 202210054654A CN 114390219 A CN114390219 A CN 114390219A
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China
Prior art keywords
image
camera
images
synthesized
shooting
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Granted
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CN202210054654.7A
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Chinese (zh)
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CN114390219B (en
Inventor
王文涛
韦怡
熊国访
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/265—Mixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • 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
    • H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • 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
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/52—Details of telephonic subscriber devices including functional features of a camera

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Stereoscopic And Panoramic Photography (AREA)

Abstract

The application discloses a shooting method, a shooting device, electronic equipment and a storage medium, wherein the shooting method is applied to the electronic equipment, the electronic equipment comprises a camera which can move along a preset direction, and the shooting method comprises the following steps: acquiring a first view image and a second view image acquired by the camera; controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized; carrying out image reconstruction on each image to be synthesized in the plurality of images to be synthesized; and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction. The method can quickly realize the shooting of the panoramic image and can improve the quality of the panoramic image.

Description

Shooting method, shooting device, electronic equipment and storage medium
Technical Field
The present disclosure relates to the field of electronic devices, and more particularly, to a shooting method, an apparatus, an electronic device, and a storage medium.
Background
Electronic devices, such as mobile phones, tablet computers, etc., have become one of the most common consumer electronic products in people's daily life. Along with the development of the science and technology level, electronic equipment is usually provided with a camera, so that a shooting function is realized. Moreover, most of the existing electronic devices support the shooting of the panoramic image, so that the user can obtain an image with a large view field, but the existing shooting of the panoramic image is not convenient.
Disclosure of Invention
The application provides a shooting method, a shooting device, electronic equipment and a storage medium, which can quickly realize the shooting of panoramic images.
In a first aspect, an embodiment of the present application provides a shooting method, which is applied to an electronic device, where the electronic device includes a camera that can move along a preset direction, and the method includes: acquiring a first view image and a second view image acquired by the camera; controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized; carrying out image reconstruction on each image to be synthesized in the plurality of images to be synthesized; and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In a second aspect, an embodiment of the present application provides a shooting device, which is applied to an electronic device, where the electronic device includes a camera that can move along a preset direction, and the shooting device includes: the camera comprises an image acquisition module, an image shooting module, an image reconstruction module and an image generation module, wherein the image acquisition module is used for acquiring a first view-finding image and a second view-finding image which are acquired by the camera; the image shooting module is used for controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized; the image reconstruction module is used for reconstructing an image of each image to be synthesized in the images to be synthesized; the image generation module is used for generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In a third aspect, an embodiment of the present application provides an electronic device, including: one or more processors; a memory; one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more application programs being configured to perform the photographing method provided by the first aspect described above.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where a program code is stored in the computer-readable storage medium, and the program code can be called by a processor to execute the shooting method provided in the first aspect.
The scheme that this application provided, electronic equipment is provided with the camera that can prolong preset direction and remove, when electronic equipment shoots, through obtaining first view finding image and the second view finding image that this camera gathered, based on first view finding image and the second view finding image, control the camera and remove along preset direction, and carry out image shooting at the removal in-process, obtain many and treat synthetic image, then treat synthetic image to every in many synthetic image, carry out image reconstruction, treat synthetic image based on many after the image reconstruction again, generate panoramic picture. Therefore, the user can shoot the first view finding image and the second view finding image by using the electronic equipment, namely, the camera can be controlled to move to shoot the panoramic image, the shot images are rebuilt to be the panoramic image, and the image quality of the obtained panoramic image can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an application environment provided by an embodiment of the present application.
Fig. 2 shows a flow chart of a photographing method according to an embodiment of the present application.
Fig. 3 shows a flowchart of a photographing method according to another embodiment of the present application.
Fig. 4 shows a flowchart of a photographing method according to still another embodiment of the present application.
Fig. 5 shows a schematic diagram of a panoramic image provided by an embodiment of the present application.
Fig. 6 shows a flowchart of a photographing method according to still another embodiment of the present application.
FIG. 7 shows a block diagram of a camera according to an embodiment of the present application.
Fig. 8 is a block diagram of an electronic device for executing a photographing method according to an embodiment of the present application.
Fig. 9 is a storage unit for storing or carrying program codes for implementing a photographing method according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
At present, electronic equipment (for example, smart mobile phone, panel computer etc.) uses in daily life, and the prevalence has been nearly everyone's cover, and wherein, camera module has become electronic equipment main function point, and user's accessible electronic equipment's camera function shoots photo and video, and the image of gained is shot promptly and is obtained, convenient and fast, and not only, the user also often uploads the image of shooing to the net and shares with other people together.
Extended Field of View (FOV) imaging has important applications in user photography when taking photographs through electronic devices. At present, an ultra-wide-angle imaging module can be adopted for realizing a larger FOV (field of view), wherein ultra-wide-angle imaging refers to taking a lens which is larger and wider than a main shooting FOV, the common ultra-wide-angle equivalent focal length is 12-15mm, and the FOV is about 120 degrees. Naturally, panoramic image shooting is also performed through the main camera to expand the field of view of imaging, in this way, a user uses a panoramic camera based on the main camera to realize expanded FOV imaging, panoramic imaging requires the user to frame along a specific axis or a frame, and then image synthesis is performed inside the mobile phone to obtain an image of the expanded FOV.
In the related art, in a mode of taking a panoramic image by using a main camera, a user needs to hold an electronic device to move, so that the problem of inconvenience exists; moreover, when shooting, the hand shake of a user can lead the block areas not to be fixed on the same horizontal plane, firstly, a clear picture is difficult to capture, and secondly, the shooting experience is influenced greatly because the shooting image is difficult to align due to the shake and has edge distortion or blur; in addition, the method also has the defects of short-distance defocusing, low resolution ratio and the like, so that the quality of the obtained image is poor, and the shooting experience of a user is influenced.
In view of the above problems, the inventor provides a shooting method, a shooting device, an electronic device, and a storage medium provided in this embodiment of the present application, so that when an electronic device is used to perform a voice conversation, a text corresponding to a speech and a speaker corresponding to the speech can be associated and displayed by using interface contents of a conversation interface, thereby avoiding a cumbersome problem that a user previously enters voiceprint information of a conversation object, and improving user experience. The specific imaging method is described in detail in the following examples.
The following first introduces a scenario related to an embodiment of the present application.
As shown in fig. 1, the scene shown in fig. 1 includes an electronic device 100, where the electronic device 100 includes a terminal body 130, a moving component 140, and a camera 150, and the camera 150 is mounted on the moving component 140, so that the moving component 140 drives the camera 150 to move.
In some embodiments, the camera 150 can move along a predetermined direction under the driving of the moving assembly 140. The preset direction may be a horizontal direction, a vertical direction, or both the horizontal direction and the vertical direction.
In the embodiment of the present application, as shown in fig. 1, the moving assembly 140 may be a movable rail, the camera 150 may move along the rail, and the driving manner of the rail may be piezoelectric, electromagnetic, and the like, in which the direction in which the camera 150 can move is determined by the arrangement direction of the rail.
In addition, other functional devices of the electronic device 100 may also be disposed on the moving assembly 140, wherein the other functional devices may include devices such as a proximity light sensor, an earpiece, a distance sensor, an ambient light sensor, a temperature sensor, a pressure sensor, and the like.
The following describes in detail a photographing method provided by an embodiment of the present application with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a shooting method according to an embodiment of the present application. In a specific embodiment, the photographing method is applied to the photographing apparatus 400 as shown in fig. 8 and the electronic device 100 (fig. 9) equipped with the photographing apparatus 400. The following will describe a specific flow of the embodiment by taking an electronic device as an example, and it is understood that the electronic device applied in the embodiment may be a smart phone, a tablet computer, an electronic book, and the like, which is not limited herein. As will be described in detail with respect to the flow shown in fig. 2, the shooting method may specifically include the following steps:
step S110: and acquiring a first view image and a second view image acquired by the camera.
In the embodiment of the application, the electronic device may acquire the first viewfinder image and the second viewfinder image acquired by the camera, so as to perform panoramic image shooting according to the first viewfinder image and the second viewfinder image. The first view image and the second view image may be images shot by a user using the electronic device to determine a view range of the panoramic image, and the first view image and the second view image may be images that can be acquired when the camera moves in a preset direction when the electronic device is located in the view range of the first view image and the second view image. It is understood that when a user takes a panoramic image using an electronic device, generally, the electronic device starts taking an image at a certain position and then moves the electronic device to another position, thereby completing the taking of the panoramic image, and based on the principle of the taking of the panoramic image, the electronic device may acquire images (i.e., a first through image and a second through image) at the boundary of the panoramic image for controlling the taking of the panoramic image.
In some implementations, the electronic device can output prompt information to prompt a user to capture the first framing image and the second framing image with the electronic device. The output prompt information can be used for prompting a user to acquire two images for determining the framing range of the panoramic image, and the acquired images should be images which can be acquired in the moving process of the camera along the preset direction. Thereby, the first through image and the second through image can be obtained.
Step S120: and controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized.
In this embodiment of the application, after acquiring the first through-image and the second through-image, the electronic device may capture a panoramic image by using the first through-image and the second through-image. The electronic equipment can control the camera to move along the preset direction based on the first view finding image and the second view finding image, image shooting is carried out in the moving process, and a plurality of images to be synthesized for synthesizing the panoramic image are obtained according to the shot images. That is, the above-mentioned preset direction is the view direction at the time of panoramic image shooting, and the image content of the first view image, the image content of the second view image, and the image content between the image content of the first view image and the image content of the second view image may be included in the plurality of images shot by the electronic apparatus during the movement of the camera in the preset direction, and therefore, an image to be synthesized for synthesizing the panoramic image may be obtained based thereon. The plurality of images to be combined may include image content within a viewing range determined based on the first viewing image and the second viewing image, that is, the image content of the plurality of images to be combined includes image content of the first viewing image, image content of the second viewing image, and image content between the image content of the first viewing image and the image content of the second viewing image.
In some embodiments, since the image content that the electronic device needs to obtain includes the image content of the first through image, the image content of the second through image, and the image content between the image content of the first through image and the image content of the second through image, the image content of the captured image may be detected during the control of the camera to move in the preset direction. If the captured image includes the image content of the first through image and the image content of the second through image, the camera may stop moving, and an image including the image content of the first through image, an image including the image content of the second through image, and an image including the image content therebetween may be determined as the image to be synthesized from the plurality of images captured during the moving.
In some embodiments, the electronic device may output prompt information to prompt a user to hold the electronic device, so that the camera of the electronic device is located within the viewing range of the first viewing image and the second viewing image, and the electronic device makes the posture of the electronic device in the target posture, so as to ensure that the image content of the previously captured first viewing image and the previously captured second viewing image can be captured when the camera moves in the preset direction. Therefore, the method and the device can ensure that the image content required by the user can be acquired in the process of controlling the camera to move along the preset direction by the electronic equipment so as to generate the panoramic image.
In some embodiments, in the process of controlling the movement of the camera, when the image is collected by the camera, the electronic device may collect the image according to the movement distance of the camera, so as to ensure that the image content in the collected image is continuous, and thus, a panoramic image can be generated subsequently.
Step S130: and reconstructing the image of each image to be synthesized in the plurality of images to be synthesized.
In the embodiment of the application, the electronic device can perform image reconstruction on a plurality of images to be synthesized after obtaining the plurality of images to be synthesized, so as to improve the image quality of the images to be synthesized. The image reconstruction can be based on reconstruction processing such as image reconstruction of laminated imaging, image denoising, contrast improvement, saturation improvement, definition improvement, resolution improvement and the like, and the image quality of the subsequently generated panoramic image can be better by performing image reconstruction on the image to be synthesized.
Step S140: and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In the embodiment of the application, after the electronic device reconstructs the images of the plurality of images to be synthesized, the panoramic image can be synthesized based on the plurality of images to be synthesized after the image reconstruction, so that the panoramic image with better image quality can be obtained.
In some embodiments, the electronic device may stitch the images to be synthesized according to the matching area between the images to be synthesized, so as to generate a panoramic image. For two images to be synthesized which are adjacent in shooting time sequence, a matching area between the two images to be synthesized can be used as an overlapping area, and the two images to be synthesized are overlapped together according to the overlapping area; and repeating the steps to complete the splicing of all the images to be synthesized and obtain the generated panoramic image. Because the image content in the multiple images to be combined includes the image content of the first viewfinder image, the image content of the second viewfinder image, and the image content between the image content of the first viewfinder image and the image content of the second viewfinder image, the panoramic image obtained by splicing the multiple images to be combined can include the image content required to be shot by the user. Of course, the mode of synthesizing the plurality of images to be synthesized by the electronic device to obtain the panoramic image may be other synthesis modes when generating the panoramic image.
According to the shooting method provided by the embodiment of the application, a user can shoot the first view finding image and the second view finding image by using the electronic equipment, namely, the camera can be controlled to move and carry out panoramic image shooting, the electronic equipment does not need to be held to keep a corresponding posture, the electronic equipment is moved to shoot, and the user can conveniently shoot through the electronic equipment to obtain the panoramic image; moreover, the panoramic image is generated after the plurality of shot images are subjected to image reconstruction, so that the image quality of the obtained panoramic image can be improved.
Referring to fig. 3, fig. 3 is a schematic flow chart illustrating a shooting method according to another embodiment of the present application. The shooting method is applied to the electronic device, and will be described in detail with respect to the flow shown in fig. 3, and the shooting method may specifically include the following steps:
step S210: and acquiring a first view image and a second view image acquired by the camera.
Step S220: and controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized.
In the embodiment of the present application, step S210 and step S220 may refer to the contents of other embodiments, and are not described herein again.
Step S230: and carrying out image reconstruction based on laminated imaging on each image to be synthesized in the plurality of images to be synthesized to obtain a panoramic image.
In the embodiment of the application, after the electronic device obtains a plurality of images to be synthesized, the image reconstruction based on the stacked imaging can be performed on the plurality of images to be synthesized, and when the image reconstruction based on the stacked imaging is performed on the image, the images acquired at different positions are reconstructed into the image with higher resolution, so that the image synthesis can be completed, and the image quality can be improved. The image reconstruction based on stack imaging can be fourier stack imaging, and in the fourier stack imaging, the principle is as follows: because different low resolution pictures correspond to specific sub-regions in the sample frequency spectrum, the information of the low resolution pictures can be fused in a frequency domain through an optimization algorithm, and high resolution amplitude and phase pictures which exceed the limit resolution of a system objective lens and retain the original field of view are obtained. Because the image reconstruction based on the stacked imaging processes a plurality of images at different positions, the reconstruction processing mode can be utilized to reconstruct and synthesize the images to be synthesized, and the synthesized panoramic image can be directly obtained.
In some embodiments, performing image reconstruction based on stacked imaging on each image to be combined in the plurality of images to be combined to obtain the plurality of images to be combined after image reconstruction includes: acquiring a corresponding relation between each image to be synthesized and a reconstructed frequency spectrum based on an aperture function of the camera; carrying out Fourier transform on each image to be synthesized to obtain frequency domain information corresponding to each image to be synthesized; replacing the amplitude value at the position corresponding to each image to be synthesized in the reconstructed frequency spectrum based on the corresponding relation and the frequency domain information corresponding to each image to be synthesized; repeating the step of obtaining the corresponding relation between each image to be synthesized and the reconstructed frequency spectrum based on the aperture function of the camera until the step of replacing the amplitude value at the position corresponding to each image to be synthesized in the reconstructed frequency spectrum based on the corresponding relation and the frequency domain information corresponding to each image to be synthesized until a preset iteration condition is met; and transforming the reconstructed frequency spectrum into a time domain to obtain the panoramic image.
In this way, the electronic device may determine, according to the aperture function, a corresponding region of a frequency domain region corresponding to the image to be synthesized in the reconstructed frequency spectrum; then, after the image to be synthesized is convolved with the point spread function corresponding to the camera, Fourier transform is carried out to obtain frequency domain information; and replacing the amplitude value of the position corresponding to each image to be synthesized in the reconstructed frequency spectrum based on the corresponding region of the frequency domain region corresponding to the image to be synthesized in the corresponding relationship in the reconstructed frequency spectrum and the frequency domain information corresponding to the image to be synthesized, and keeping the phase of the corresponding region unchanged, thereby completing the updating of the reconstructed frequency spectrum. And repeating the steps until the preset iteration condition is met, and performing inverse Fourier transform on the reconstructed frequency spectrum to transform the reconstructed frequency spectrum to a time domain to obtain a final panoramic image. The preset iteration condition may be that the iteration number reaches a target number, or that a difference between the updated reconstructed spectrum and the reconstructed spectrum before updating is smaller than a target difference, and the specific iteration condition may not be limited.
As a possible implementation manner, before performing image reconstruction based on stacked imaging, the electronic device may acquire a point spread function corresponding to the camera, and then determine an aperture function of the camera based on the point spread function. The electronic equipment can determine a pre-designed point spread function according to the pre-designed optical parameters of the camera; and then determining an aperture function corresponding to the camera according to the designed point spread function and the actually measured point spread function when the image is shot. Optionally, the electronic device may design an optical file according to a lens of the camera to obtain point spread function information of a plurality of fields and wavelengths at a focusing position of the camera, obtain three-channel point spread function information of the image sensor R, G, B through a weighting algorithm according to a sensor spectral response curve, and down-sample a parameter interval of the point spread function to a pixel size of the image sensor through a down-sampling algorithm, so as to obtain a pre-designed point spread function. The lens design optical file of the camera, such as Zemax lens design optical file, is not limited herein.
According to the shooting method provided by the embodiment of the application, because the image reconstruction based on the laminated imaging can be used for synthesizing a plurality of images collected at different positions, the image resolution can be improved, and the aberration correction can be carried out, so that when the plurality of shot images to be synthesized are subjected to image reconstruction and generated into the panoramic image, the plurality of images to be synthesized are processed by using the image reconstruction based on the laminated imaging, and the image quality of the generated panoramic image can be improved.
Referring to fig. 4, fig. 4 is a schematic flow chart illustrating a shooting method according to another embodiment of the present application. The shooting method is applied to the electronic device, and will be described in detail with respect to the flow shown in fig. 4, and the shooting method may specifically include the following steps:
step S310: and acquiring a first view image and a second view image acquired by the camera.
In the embodiment of the present application, the step S310 may refer to the contents of the foregoing embodiments, and is not described herein again.
Step S320: and controlling the camera to move along the preset direction, and shooting images in the moving process.
In the embodiment of the application, after the electronic device obtains the first view image and the second view image, the electronic device can control the camera to move along the preset direction, and perform image shooting in the moving process. Optionally, the electronic device may output prompt information to prompt a user to position the electronic device at a position where the image content of the first viewfinder image and the image content of the second viewfinder image can be acquired by moving the camera in a preset direction; and then when receiving shooting operation of a user based on the prompt information, controlling the camera to move along the preset direction, and shooting images in the moving process.
Step S330: when the image shot by the camera comprises a first image content and a second image content, stopping the movement of the camera and the image shooting, wherein the first image content is matched with the first framing image, and the second image content is matched with the second framing image.
In the embodiment of the application, in the process of controlling the camera to move by the electronic device, the captured image may be matched with the first viewfinder image and the second viewfinder image, and if the image captured by the camera already includes the first image content and the second image content, it indicates that the camera has already captured the image content of the first viewfinder image, the image content of the second viewfinder image, and the image content between the image content of the first viewfinder image and the image content of the second viewfinder image, at this time, it is not necessary to continuously control the camera to move, so that the movement of the camera and the image capturing may be stopped.
In some embodiments, the preset directions include a direction moving from a first side of the electronic device to a second side of the electronic device and a direction moving from the second side of the electronic device to the first side of the electronic device, and if the electronic device controls the camera to move to a maximum distance in one of the preset directions and then still does not capture the image content of the first through-image or the image content of the second through-image, the camera may be controlled to move in the other direction again so as to capture the image content of the first through-image and the image content of the second through-image at the same time. It can be understood that, since the shooting direction of the position where the camera is located when the image capturing is started may be between the image content of the first through-image and the image content of the second through-image, or may be outside of the two, the camera may move in one direction, and may not be able to capture the image content of the first through-image and the image content of the second through-image at the same time, and therefore, after the camera is controlled to move to the maximum distance in one direction, if the image content of the first through-image or the image content of the second through-image is not captured at the same time, the camera may move in the reverse direction, so as to capture the image content of the first through-image and the image content of the second through-image at the same time.
Step S340: and screening a plurality of images to be synthesized from the images shot by the camera based on the first view-finding image and the second view-finding image.
In this embodiment of the application, after controlling the camera to stop moving and to capture images, the electronic device may screen a plurality of images to be combined from the images captured by the camera based on the first through-image and the second through-image. It can be understood that, since the shooting direction of the position where the camera is located when the image capturing is started may be located between the image content of the first viewfinder image and the image content of the second viewfinder image, or may be located outside the two, the image captured by the camera may include an image corresponding to the image content outside the view range formed by the first viewfinder image and the second viewfinder image, and in this case, in order to obtain a panoramic image in the view range formed by the first viewfinder image and the second viewfinder image according to the user requirement, a plurality of images to be synthesized may be screened from the image captured by the camera based on the first viewfinder image and the second viewfinder image.
In some embodiments, screening a plurality of images to be combined from images captured by a camera based on a first viewfinder image and a second viewfinder image includes: sequencing the images shot by the camera according to the sequence of shooting time to obtain an image sequence; and acquiring at least one first target image, at least one second target image and an image between the first target image and the second target image from the image sequence to obtain a plurality of images to be synthesized, wherein the first target image comprises the first image content, and the second target image comprises the second image content. It is understood that, since the electronic device may not be able to capture exactly the same images as the first through image and the second through image during the movement, that is, the image content of the first through image may be distributed between the two captured images, and the image content of the second through image may also be distributed between the two captured images, but in order to obtain the panoramic image of the viewing range formed by the first through image and the second through image, it is also necessary to make the panoramic image include the image content of the first through image and the second through image, and thus the first target image and the second target image may be a single image, or may not be a single image.
Optionally, if the preset directions include a direction moving from the first side of the electronic device to the second side of the electronic device and a direction moving from the second side of the electronic device to the first side of the electronic device, the camera may move back and forth, so that the image captured by the camera includes the first image content and the second image content. At this time, when the electronic device moves in one direction, the image content of the target through image (the first through image or the second through image) may be acquired, and when the electronic device moves in another direction, the image content of the target through image may be acquired again. For example, the image sequence includes: image 1, image 2, image 3 …, and image 10, where image 2 includes the image content of the first through image, image 5 includes the image content of the first through image, and image 10 includes the image content of the second through image, then the first target image includes image 2 and image 5, and the second target image is image 10, and when acquiring an image between the first target image and the second target image, the capturing time of the difference between image 5 and image 10 is less than the capturing time of the difference between image 2 and image 10, i.e., image 5 is closer to image 10 in capturing time, so that the image between image 5 and image 10 is acquired as an image between the first target image and the second target image.
In some embodiments, the preset direction in which the camera is movable includes a plurality of directions, wherein the camera can be moved from the first side to the second side along the horizontal direction, and then moved from the second side to the first side along the horizontal direction after being moved in the vertical direction, and so on until the camera is moved from one side to the other side in the vertical direction. In this manner, the image content of the first through image and the image content of the second through image may not be image content that can be captured by moving the camera in the horizontal direction or the vertical direction, and the electronic device may control the camera to move in a plurality of directions so that the electronic device can capture the image content of the first through image and the image content of the second through image. And after the image content of the first view image and the image content of the second view image are acquired, when a plurality of images to be synthesized for generating a panoramic image are screened from the images shot by the electronic device, the images to be synthesized can be determined according to the moving direction of the camera. Specifically, the electronic device may arrange all the captured images according to the moving direction, and then determine, from the arrangement result, an image of a row and a column where the third target image is located as an image of a first row and an image of a first column, and an image of a row and a column where the fourth target image is located as an image of a second row and an image of a second column; and determining the images in the first row and the first column and the images in the range contained by the images in the second row and the images in the second column from the arrangement result as images to be synthesized.
Step S350: and carrying out image reconstruction on each image to be synthesized in the plurality of images to be synthesized to obtain a plurality of images to be synthesized after image reconstruction.
Step S360: and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In the embodiment of the present application, the content of the foregoing embodiment can be referred to in step S350 and step S360, which are not described herein again.
For example, referring to fig. 5, the electronic device controls the camera to move in the preset direction while maintaining the pose, so that a plurality of shot images can be acquired, and images 1 to n can be screened from the plurality of shot images, where n is a positive integer, the image 1 includes image content of a first viewfinder image, and the image n includes image content of a second viewfinder image; then, after image reconstruction is performed on the images 1 to n, the images are synthesized to obtain a final panoramic image a 1.
The shooting method provided by the embodiment of the application can realize that a user shoots a first view image and a second view image by using the electronic equipment, then controls the camera to move along the preset direction according to the first view image and the second view image, and shoots the images in the moving process, when the images shot by the camera comprise the first image content and the second image content, the movement of the camera and the image shooting are stopped, so that a plurality of images to be synthesized for synthesizing the panoramic image can be determined from the shot images, therefore, the electronic equipment is moved to shoot without holding the electronic equipment by the user to keep the posture unchanged, the panoramic image with better image quality can be obtained, and the user can conveniently obtain the required panoramic image.
Referring to fig. 6, fig. 6 is a schematic flow chart illustrating a shooting method according to still another embodiment of the present application. The shooting method is applied to the electronic device, and will be described in detail with respect to the flow shown in fig. 6, and the shooting method may specifically include the following steps:
step S410: and acquiring a first framing image and a second framing image acquired by the camera, wherein the first framing image corresponds to the current position of the camera, and the second framing image corresponds to the target position of the camera in the moving process along the preset direction from the current position.
In this embodiment of the application, the first view image may correspond to a current position of the camera, the second view image may correspond to a target position of the camera in a process of moving from the current position along a preset direction, that is, when the camera is located at the current position, the first view image may be an image that can be acquired when the electronic device is located at the corresponding position, the second view image may be an image that can be acquired when the camera moves from the current position along the preset direction under a condition that a pose of the electronic device is not changed, and when the subsequent camera can acquire an image that matches the first view image, the subsequent camera controls the camera to move from the current position along the preset direction, that is, image content of the second view image may be acquired.
In some embodiments, the electronic device may output second prompt information, where the second prompt information is used to prompt a user to acquire the first through-image by the electronic device, and to acquire the second through-image by the electronic device after moving the electronic device in the preset direction, so that the user acquires the first through-image and the second through-image by the electronic device according to the prompt information.
Step S420: and when the preview image collected by the camera is matched with the first view finding image, starting image shooting.
Step S430: and controlling the camera to move along the preset direction from the current position, and shooting images in the moving process.
In the embodiment of the application, the electronic device may determine, according to a preview image captured by the camera, a timing for starting capturing an image and controlling the camera to move, wherein the electronic device may match the captured preview image with a first view image, and when the electronic device captures an image that matches the first view image, the electronic device may control the camera to capture an image, and control the camera to move from a current position along a preset direction, and capture an image during the movement, so as to capture a panoramic image that is used for generating a view range that matches the first view image and the second view image.
Step S440: and stopping the movement of the camera and the image shooting when the shot image of the camera is matched with the second framing image.
In the embodiment of the application, the electronic device may match the captured image with the second viewfinder image in the process of controlling the camera to move, and stop the movement of the camera and the image capturing if the captured image of the camera matches with the second viewfinder image. Wherein the captured image matches the second through image, it may be that the image content of the captured image matches the image content of the second through image.
In some embodiments, there may be a case where the range in which the user needs to view is large, the electronic device keeps the pose unchanged, and the image content of the second view image cannot be acquired when the camera is controlled to move in the preset direction. Therefore, if the camera moves in the preset direction for the maximum distance and does not shoot an image matched with the second view finding image, the first prompt information can be output and image shooting is suspended, and the first prompt information is used for prompting the user to move the electronic equipment in the preset direction; then, controlling the camera to move to an initial position; when the preview image collected by the camera is matched with the image collected when the camera moves to the maximum distance, the camera is controlled to move along the preset direction, and image shooting is performed again until the shot image is matched with the second viewing image, and the camera is stopped from moving and image shooting is stopped. Therefore, the electronic equipment can be moved for a short time through the electronic equipment, and then the camera is controlled to move, so that the image matched with the second viewfinder image can be shot.
Step S450: and determining a plurality of images to be synthesized based on the images shot by the camera in the moving process.
In some embodiments, if the moving direction of the camera is the same direction, since the electronic device starts to capture the image and matches the first framing image and stops capturing the image and the second framing image when capturing the image, the image captured by the camera during moving can be directly used as the plurality of images to be synthesized.
In some embodiments, if the moving direction of the camera is a plurality of directions, the camera may move from the first side to the second side along the horizontal direction, then move along the vertical direction, and then move along the horizontal direction from the second side to the first side, and so on until the camera moves from one side to the other side in the vertical direction. In this way, according to the method of screening multiple images to be combined in the foregoing embodiment, multiple images to be combined may be screened from images captured during the moving process.
Step S460: and carrying out image reconstruction on each image to be synthesized in the plurality of images to be synthesized to obtain a plurality of images to be synthesized after image reconstruction.
Step S470: and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In the embodiment of the present application, the content of the foregoing embodiment can be referred to in step S460 and step S470, which are not described herein again.
The shooting method provided by the embodiment of the application can realize that a user shoots a first view finding image and a second view finding image by using the electronic equipment, then starts image shooting when a preview image collected by the camera is matched with the first view finding image, controls the camera to move along the preset direction, shoots the images in the moving process, and stops the movement of the camera and the image shooting when the image shot by the camera is matched with the second image, so that a plurality of images to be synthesized for synthesizing the panoramic image can be determined from the shot images.
Referring to fig. 7, a block diagram of a camera 400 according to an embodiment of the present disclosure is shown. The above-mentioned electronic device is applied to the shooting device 400, the electronic device includes a camera capable of moving along a preset direction, and the shooting device 400 includes: an image acquisition module 410, an image capture module 420, an image reconstruction module 430, and an image generation module 440. The image obtaining module 410 is configured to obtain a first view image and a second view image acquired by the camera; the image shooting module 420 is configured to control the camera to move along the preset direction based on the first view image and the second view image, and perform image shooting during the movement process to obtain a plurality of images to be synthesized; the image reconstruction module 430 is configured to perform image reconstruction on each image to be synthesized in the plurality of images to be synthesized to obtain a plurality of images to be synthesized after the image reconstruction; the image generating module 440 is configured to generate a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
In some embodiments, the image reconstruction module 430 may be configured to: and carrying out image reconstruction based on laminated imaging on each image to be synthesized in the plurality of images to be synthesized to obtain the plurality of images to be synthesized after image reconstruction.
As a possible implementation, the image reconstruction module 430 may be specifically configured to: acquiring a frequency spectrum region corresponding to the image to be synthesized based on the aperture function of the camera; carrying out Fourier transform on each image to be synthesized to obtain frequency domain information corresponding to each image to be synthesized; replacing the amplitude of the frequency spectrum region corresponding to each image to be synthesized based on the frequency domain information corresponding to each image to be synthesized to obtain the replaced frequency spectrum region corresponding to each image to be synthesized; transforming the replaced frequency spectrum region corresponding to each image to be synthesized into a time domain; and repeating the step of obtaining the frequency spectrum region corresponding to the image to be synthesized based on the aperture function to the step of transforming the replaced frequency spectrum region corresponding to each image to be synthesized into a time domain until a preset iteration condition is met, and obtaining a plurality of images to be synthesized after image reconstruction.
Optionally, the image reconstruction module 430 may be further configured to: acquiring a point spread function corresponding to the camera; based on the point spread function, an aperture function is determined.
In some embodiments, the image capture module 420 may be configured to: controlling the camera to move along the preset direction, and shooting images in the moving process; stopping the movement of the camera and image shooting when the image shot by the camera comprises a first image content and a second image content, wherein the first image content is matched with the first framing image, and the second image content is matched with the second framing image; and screening a plurality of images to be synthesized from the images shot by the camera based on the first view-finding image and the second view-finding image.
As a possible implementation, the image capturing module 420 may be specifically configured to: sequencing the images shot by the camera according to the sequence of shooting time to obtain an image sequence; and acquiring at least one first target image, at least one second target image and an image between the first target image and the second target image from the image sequence to obtain a plurality of images to be synthesized, wherein the first target image comprises the first image content, and the second target image comprises the second image content.
In some embodiments, the first viewfinder image corresponds to a current position of the camera, and the second viewfinder image corresponds to a target position of the camera during movement from the current position along the preset direction. The image capture module 420 may be configured to: when the preview image collected by the camera is matched with the first view finding image, starting image shooting; controlling the camera to move along the preset direction from the current position, and shooting images in the moving process; stopping the movement of the camera and image capturing when the captured image of the camera matches the second viewfinder image; and determining a plurality of images to be synthesized based on the images shot by the camera in the moving process.
As a possible implementation, the image capturing module 420 may be further configured to: when the image shot by the camera is matched with the second framing image, stopping the movement of the camera and before shooting the image, and if the camera does not obtain the image matched with the second framing image when moving the maximum distance along the preset direction, outputting first prompt information and pausing the image shooting, wherein the first prompt information is used for prompting a user to move the electronic equipment along the preset direction; controlling the camera to move to an initial position; and when the preview image collected by the camera is matched with the image collected when the camera moves to the maximum distance, controlling the camera to move along the preset direction and shooting the image again.
In some embodiments, the photographing apparatus 400 may further include: and a prompt module. The prompting module is used for outputting second prompting information before acquiring the first framing image and the second framing image acquired by the camera, wherein the second prompting information is used for prompting a user to acquire the first framing image through the electronic equipment and to enable the electronic equipment to acquire the second framing image through the electronic equipment after moving in the preset direction.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, the coupling between the modules may be electrical, mechanical or other type of coupling.
In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
To sum up, the scheme that this application provided, electronic equipment is provided with the camera that can prolong preset direction and remove, when electronic equipment shoots, through obtaining first view finding image and the second view finding image that this camera gathered, based on first view finding image and second view finding image, control the camera and remove along preset direction, and carry out image shooting at the removal in-process, obtain many and treat synthetic image, then treat synthetic image to every in many synthetic image, carry out image reconstruction, it treats synthetic image to obtain many after the image reconstruction, treat synthetic image based on many after the image reconstruction again, generate panoramic image. Therefore, the user can shoot the first view finding image and the second view finding image by using the electronic equipment, namely, the camera can be controlled to move to shoot the panoramic image, the shot images are rebuilt to be the panoramic image, and the image quality of the obtained panoramic image can be improved.
Referring to fig. 8, a block diagram of an electronic device according to an embodiment of the present disclosure is shown. The electronic device 100 may be a smart phone, a tablet computer, an electronic book, or other electronic devices capable of running an application. The electronic device 100 in the present application may include one or more of the following components: a processor 110, a memory 120, and one or more applications, wherein the one or more applications may be stored in the memory 120 and configured to be executed by the one or more processors 110, the one or more applications configured to perform a method as described in the aforementioned method embodiments.
Processor 110 may include one or more processing cores. The processor 110 connects various parts within the overall electronic device 100 using various interfaces and lines, and performs various functions of the electronic device 100 and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 120 and calling data stored in the memory 120. Alternatively, the processor 110 may be implemented in hardware using at least one of Digital Signal Processing (DSP), Field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor 110 may integrate one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. Wherein, the CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing display content; the modem is used to handle wireless communications. It is understood that the modem may not be integrated into the processor 110, but may be implemented by a communication chip.
The Memory 120 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). The memory 120 may be used to store instructions, programs, code sets, or instruction sets. The memory 120 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like. The data storage area may also store data created by the electronic device 100 during use (e.g., phone book, audio-video data, chat log data), and the like.
Referring to fig. 9, a block diagram of a computer-readable storage medium according to an embodiment of the present application is shown. The computer-readable medium 800 has stored therein a program code that can be called by a processor to execute the method described in the above-described method embodiments.
The computer-readable storage medium 800 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Alternatively, the computer-readable storage medium 800 includes a non-volatile computer-readable storage medium. The computer readable storage medium 800 has storage space for program code 810 to perform any of the method steps of the method described above. The program code can be read from or written to one or more computer program products. The program code 810 may be compressed, for example, in a suitable form.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (12)

1. A shooting method is applied to an electronic device, the electronic device comprises a camera which can move along a preset direction, and the method comprises the following steps:
acquiring a first view image and a second view image acquired by the camera;
controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized;
carrying out image reconstruction on each image to be synthesized in the plurality of images to be synthesized;
and generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
2. The method according to claim 1, wherein the performing image reconstruction on each image to be synthesized in the plurality of images to be synthesized, and the generating a panoramic image based on the plurality of images to be synthesized after image reconstruction comprises:
and carrying out image reconstruction based on laminated imaging on each image to be synthesized in the plurality of images to be synthesized to obtain the panoramic image.
3. The method according to claim 2, wherein the performing image reconstruction based on overlay imaging on each image to be synthesized in the plurality of images to be synthesized to obtain the panoramic image comprises:
acquiring a corresponding relation between each image to be synthesized and a reconstructed frequency spectrum based on an aperture function of the camera;
carrying out Fourier transform on each image to be synthesized to obtain frequency domain information corresponding to each image to be synthesized;
replacing the amplitude value at the position corresponding to each image to be synthesized in the reconstructed frequency spectrum based on the corresponding relation and the frequency domain information corresponding to each image to be synthesized;
repeating the step of obtaining the corresponding relation between each image to be synthesized and the reconstructed frequency spectrum based on the aperture function of the camera until the step of replacing the amplitude value at the position corresponding to each image to be synthesized in the reconstructed frequency spectrum based on the corresponding relation and the frequency domain information corresponding to each image to be synthesized until a preset iteration condition is met;
and transforming the reconstructed frequency spectrum into a time domain to obtain the panoramic image.
4. The method according to claim 3, wherein before the obtaining the corresponding relationship between each image to be synthesized and the reconstructed spectrum based on the aperture function of the camera, the method further comprises:
acquiring a point spread function corresponding to the camera;
based on the point spread function, an aperture function is determined.
5. The method according to claim 1, wherein the controlling the camera to move along the preset direction based on the first and second viewing images and taking images during the movement to obtain a plurality of images to be combined comprises:
controlling the camera to move along the preset direction, and shooting images in the moving process;
stopping the movement of the camera and image shooting when the image shot by the camera comprises a first image content and a second image content, wherein the first image content is matched with the first framing image, and the second image content is matched with the second framing image;
and screening a plurality of images to be synthesized from the images shot by the camera based on the first view-finding image and the second view-finding image.
6. The method according to claim 5, wherein the screening out a plurality of images to be combined from the images captured by the camera based on the first and second through-images comprises:
sequencing the images shot by the camera according to the sequence of shooting time to obtain an image sequence;
and acquiring at least one first target image, at least one second target image and an image between the first target image and the second target image from the image sequence to obtain a plurality of images to be synthesized, wherein the first target image comprises the first image content, and the second target image comprises the second image content.
7. The method according to claim 1, wherein the first viewfinder image corresponds to a current position of the camera, the second viewfinder image corresponds to a target position of the camera during moving from the current position along the preset direction, and the controlling the camera to move along the preset direction and taking images during moving based on the first viewfinder image and the second viewfinder image comprises:
when the preview image collected by the camera is matched with the first view finding image, starting image shooting;
controlling the camera to move along the preset direction from the current position, and shooting images in the moving process;
stopping the movement of the camera and image capturing when the captured image of the camera matches the second viewfinder image;
and determining a plurality of images to be synthesized based on the images shot by the camera in the moving process.
8. The method according to claim 7, wherein when the captured image of the camera matches the second through-image, the method further comprises, before stopping the movement of the camera and the image capturing:
if the camera moves the maximum distance along the preset direction, and an image matched with the second framing image is not shot, outputting first prompt information and pausing image shooting, wherein the first prompt information is used for prompting a user to move the electronic equipment along the preset direction;
controlling the camera to move to an initial position;
and when the preview image collected by the camera is matched with the image collected when the camera moves to the maximum distance, controlling the camera to move along the preset direction and shooting the image again.
9. The method of any of claims 1-8, wherein prior to said acquiring the first and second framing images acquired by the camera, the method further comprises:
and outputting second prompt information, wherein the second prompt information is used for prompting a user to acquire a first framing image through the electronic equipment and acquiring a second framing image through the electronic equipment after the electronic equipment moves along the preset direction.
10. A shooting device is applied to electronic equipment, the electronic equipment comprises a camera which can move along a preset direction, and the shooting device comprises: an image acquisition module, an image capture module, an image reconstruction module, and an image generation module, wherein,
the image acquisition module is used for acquiring a first view image and a second view image acquired by the camera;
the image shooting module is used for controlling the camera to move along the preset direction based on the first view finding image and the second view finding image, and shooting images in the moving process to obtain a plurality of images to be synthesized;
the image reconstruction module is used for reconstructing an image of each image to be synthesized in the images to be synthesized;
the image generation module is used for generating a panoramic image based on the plurality of images to be synthesized after the image reconstruction.
11. An electronic device, comprising:
one or more processors;
a memory;
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of any of claims 1-9.
12. A computer-readable storage medium, having stored thereon program code that can be invoked by a processor to perform the method according to any one of claims 1 to 9.
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