CN104735356A - Panorama picture shooting method and device - Google Patents
Panorama picture shooting method and device Download PDFInfo
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- CN104735356A CN104735356A CN201510128259.9A CN201510128259A CN104735356A CN 104735356 A CN104735356 A CN 104735356A CN 201510128259 A CN201510128259 A CN 201510128259A CN 104735356 A CN104735356 A CN 104735356A
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Abstract
The invention belongs to the technical field of intelligent equipment and provides a panorama picture shooting method and device. The panorama picture shooting method comprises the steps that after it is detected that an intelligent device is switched into the panorama shooting mode, the magnetic field intensity of the position of a camera is obtained; the rotating angle of the camera is obtained according to the magnetic field intensity; when the obtained rotating angle is a preset angle threshold value, the camera is controlled to acquire multiple pictures; the acquired multiple pictures are synthesized into a panorama picture. According to the panorama picture shooting method and device, the panorama shooting technique based on geomagnetic sensors is achieved, the problem that due to the fact that a gyroscope is adopted in an existing panorama shooting technique, deviation of the rotating angle of a lens is caused is solved, the influence of human dithering is avoided, the progress of acquiring multiple pictures is accelerated, and the accuracy of overlapped parts of every two adjacent pictures is improved.
Description
Technical field
The invention belongs to technical field of intelligent equipment, particularly relate to a kind of distant view photograph image pickup method and device.
Background technology
Pan-shot, refers to and the multiple pictures of shooting is spliced into a Zhang Quanjing picture, its general principle is the marginal portion of search two adjacent photos, and is overlapped in the region that imaging effect is the most close, completes the splicing between photo.Therefore, pan-shot has been come by the mode of image data process.
Prior art obtains multiple photos of synthesis panoramic pictures with the camera anglec of rotation preset when carrying out pan-shot, the described camera anglec of rotation carries out integration by gyroscope to the angular speed of camera to obtain.But in the process of user's hand-held intelligent equipment moving, gyroscope is easily subject to the impact of user's shake, causes rotation angle of camera to produce deviation, have impact on the accuracy of intersection between the progress of multiple photo acquisition and adjacent photo.
Summary of the invention
Given this, embodiments provide a kind of distant view photograph image pickup method and device, to solve the offset issue of rotation of lens angle that existing panoramic photographing technique exists, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.
First aspect, provide a kind of distant view photograph image pickup method, described method comprises:
After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position;
The anglec of rotation of camera is obtained according to described geomagnetic field intensity;
When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures;
By gathered multiple pictures synthesis distant view photograph.
Further, the described anglec of rotation according to described geomagnetic field intensity acquisition camera comprises:
The directional information of camera is obtained according to described geomagnetic field intensity;
By the directional information of camera and front once take time directional information or initial value compare, obtain the anglec of rotation of camera according to comparative result.
Further, described by gathered multiple pictures synthesis distant view photograph comprise:
Judge whether the number of pictures gathered reaches preset value;
If so, panorama photographing mode is exited, and by gathered multiple pictures synthesis distant view photograph.
Further, described angle threshold be 360 ° with the ratio of described preset value.
Further, after control camera collection multiple pictures, described method also comprises:
Display pan-shot progress bar and the number of pictures gathered.
Second aspect, provide a kind of distant view photograph filming apparatus, described device comprises:
First acquisition module, for after detecting that smart machine enters panorama photographing mode, obtains the geomagnetic field intensity of camera present position;
Second acquisition module, for obtaining the anglec of rotation of camera according to described geomagnetic field intensity;
Acquisition module, when being default angle threshold for working as the obtained anglec of rotation, controls camera collection multiple pictures;
Synthesis module, for synthesizing distant view photograph by gathered multiple pictures.
Further, described second acquisition module comprises:
Acquiring unit, for obtaining the directional information of camera according to described geomagnetic field intensity;
Comparing unit, for by the directional information of camera and front once take time directional information or initial value compare, obtain the anglec of rotation of camera according to comparative result.
Further, described synthesis module comprises:
Judging unit, for judging whether gathered number of pictures reaches preset value;
Synthesis unit, for when the judged result of judging unit is for being, exits panorama photographing mode, and by gathered multiple pictures synthesis distant view photograph.
Further, described angle threshold be 360 ° with the ratio of described preset value.
Further, described device also comprises:
Display module, for the number of pictures showing pan-shot progress bar and gather.
Compared with prior art, geomagnetic sensor is replaced the gyroscope used in existing panoramic photographing technique by the embodiment of the present invention; After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position; The anglec of rotation of camera is obtained according to described geomagnetic field intensity; When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures; And by gathered multiple pictures synthesis distant view photograph; Thus the panoramic photographing technique achieved based on geomagnetic sensor, the anglec of rotation of camera is obtained by geomagnetic field intensity, solve the deviation of the rotation of lens angle that existing panoramic photographing technique causes owing to adopting gyroscope, avoid the impact of artificial shake, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the first realization flow figure of the distant view photograph image pickup method that the embodiment of the present invention one provides;
Fig. 2 is the second realization flow figure of the distant view photograph image pickup method that the embodiment of the present invention two provides;
Fig. 3 is the composition structure chart of the distant view photograph filming apparatus that the embodiment of the present invention three provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Geomagnetic sensor is replaced the gyroscope used in existing panoramic photographing technique by the embodiment of the present invention; After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position; The anglec of rotation of camera is obtained according to described geomagnetic field intensity; When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures; And by gathered multiple pictures synthesis distant view photograph; Thus the panoramic photographing technique achieved based on geomagnetic sensor, the anglec of rotation of camera is obtained by geomagnetic field intensity, solve the deviation of the rotation of lens angle that existing panoramic photographing technique causes owing to adopting gyroscope, avoid the impact of artificial shake, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.The embodiment of the present invention additionally provides corresponding device, is described in detail respectively below.
embodiment one
Fig. 1 shows the first realization flow of the distant view photograph image pickup method that the embodiment of the present invention one provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, described method is applied to and has in the smart machine of camera.Described smart machine also comprises geomagnetic sensor, and described geomagnetic sensor can detect the magnetic field intensity of earth surface.Preferably, described smart machine includes but not limited to smart mobile phone, panel computer etc.
As shown in Figure 1, described method comprises:
In step S101, after detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position.
In embodiments of the present invention, user starts pan-shot function by the mode such as clicking the pan-shot function button that smart machine provides, and smart machine will enter panorama photographing mode.Under described panorama photographing mode, detected the geomagnetic field intensity of camera present position in real time by geomagnetic sensor.Wherein, the geomagnetic field intensity that detects of described geomagnetic sensor and the current residing directional information of camera are one to one.Under panorama photographing mode, if smart machine does not move, when being initial value according to the directional information of described geomagnetic field intensity acquisition camera, controlling camera collection photo, and start to calculate the number of pictures gathered; And in the process of smart machine movement, to the geomagnetic field intensity of the camera detected in real time, perform step S102.
In step s 102, the anglec of rotation of camera is obtained according to described geomagnetic field intensity.
The geomagnetic field intensity that geomagnetic sensor gets and the directional information residing for camera are one to one.After the geomagnetic field intensity of camera in moving process being detected, obtain the current directional information of camera according to described geomagnetic field intensity.Because camera is arranged on described smart machine, the directional information of described camera is also the directional information of smart machine.Wherein, described azimuth information is smart machine or the orientation angle of camera on the four corners of the world.By directional information current for described camera and front once take time directional information or initial value compare, be preferably by current orientation angle and inceptive direction angle (inceptive direction namely before movement) or front once take time orientation angle subtract each other, to obtain the anglec of rotation of camera relative to a front camera site.
In step s 103, when the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures.
In embodiments of the present invention, described angle threshold judges whether as smart machine the standard starting camera collection photo.While user starts pan-shot function, the number of pictures that will gather can be set, be designated as preset value.Smart machine receives the preset value of user's input; And calculate described angle threshold according to described preset value.Wherein, described angle threshold is the ratio between 360 ° and described preset value, i.e. angle threshold=360 °/preset value.In embodiments of the present invention, in the moving process of smart machine, when camera (or smart machine) rotates described angle threshold, then control camera execution and once take, gather a photo.
Exemplarily, if the anglec of rotation obtained be by by directional information current for camera and front once take time directional information carry out subtracting each other acquisition, then step S103 for by the obtained anglec of rotation with preset angle threshold compare.When the obtained anglec of rotation equals default angle threshold, then control camera collection current picture, and calculate the number of pictures (initial value is 0) gathered.If the number of pictures gathered reaches preset value, then terminate pan-shot, perform step S104; Otherwise, return step S101 and continue to obtain the geomagnetic field intensity of camera in moving process, to gather next photo.
The embodiment of the present invention is the anglec of rotation that the geomagnetic field intensity detected based on geomagnetic sensor obtains camera, even if there occurs shake in the process of user's intelligent movable equipment, also the orientation angle of camera can not be affected, avoiding in prior art to shake makes the anglec of rotation of acquisition produce deviation on gyrostatic impact, thus optimizes the accuracy of intersection between progress and adjacent photo that multiple pictures gathers.
In step S104, by gathered multiple pictures synthesis distant view photograph.
When gathered number of pictures reaches preset value, control camera and stop shooting and terminate preview function, exit panorama photographing mode, and by gathered multiple pictures synthesis distant view photograph.
It should be noted that, in the multiple pictures obtained by above-mentioned steps S101 to S103, between adjacent photo, to there is the picture of coincidence and the picture of difference, and the aspect ratio overlapped and all satisfied condition preset of ratio that there are differences.In step S104, " by gathered multiple pictures synthesis distant view photograph " is prior art, repeats no more herein.
Geomagnetic sensor is replaced the gyroscope used in existing panoramic photographing technique by the embodiment of the present invention; After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position; The anglec of rotation of camera is obtained according to described geomagnetic field intensity; When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures; And by gathered multiple pictures synthesis distant view photograph; Thus the panoramic photographing technique achieved based on geomagnetic sensor, the anglec of rotation of camera is obtained by geomagnetic field intensity, avoid the impact of artificial shake, solve the deviation of rotation of lens angle that existing panoramic photographing technique causes owing to adopting gyroscope, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.
embodiment two
Fig. 2 is the second realization flow of the distant view photograph image pickup method that the embodiment of the present invention two provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
As shown in Figure 2, described method comprises:
In step s 201, the number of pictures preset value of user's input is received.
In embodiments of the present invention, before smart machine enters panorama photographing mode, user can arrange the number of photos preset value for the synthesis of distant view photograph on smart machine.
In step S202, calculate angle threshold according to described preset value.
Wherein, described angle threshold is as judging whether the standard starting camera collection photo in smart machine moving process.The size of described angle threshold be 360 ° with the ratio of described preset value.Exemplarily, when the number of photos preset value that user is arranged is 30, described angle threshold=360 °/30=12 °.Therefore, whenever the anglec of rotation of camera through 12 ° time, then perform once photo taking, to gather a photo.
In step S203, after detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position.
Preferably, step S203 can detect the geomagnetic field intensity of camera current location in real time in the moving process of smart machine according to prefixed time interval, described prefixed time interval is preferably 0.1 second.
In step S204, obtain the directional information of camera according to described geomagnetic field intensity.
When described azimuth information is initial value, perform step S207; Otherwise, perform step S205.
In step S205, by directional information current for camera and front once take time directional information compare, obtain the anglec of rotation of camera according to comparative result.
In step S206, judge whether the anglec of rotation of the camera obtained is default angle threshold.
When judged result is for being, then judge that camera have rotated described angle threshold apart from last camera site, performs step S207; Otherwise, return step S203, continue to detect geomagnetic field intensity.
In step S207, control camera collection photo, calculate the number of pictures gathered, and the number of pictures showing pan-shot progress bar and gather.
By the number of pictures showing pan-shot progress bar and gather, the progress of prompting user pan-shot, is conducive to the process that user holds intelligent movable equipment.
In step S208, judge whether the number of pictures gathered reaches described preset value.
Through step S207, after often obtaining a photo, all the quantity of obtained photo is added up, judge whether the number of pictures obtained is preset value.When judged result is for being, perform step S209; Otherwise, return step S203, in the process of smart machine movement, continue to detect geomagnetic field intensity.
In step S209, exit panorama photographing mode, and by gathered multiple pictures synthesis distant view photograph.
It should be noted that, the embodiment of the present invention obtain for the synthesis of in the multiple pictures of distant view photograph, there is the picture of coincidence and the picture of difference between adjacent photo, and the aspect ratio overlapped and the ratio that there are differences all meet the condition preset.And " according to gathered multiple pictures synthesis distant view photograph " is prior art, repeat no more herein.
In sum, geomagnetic sensor is replaced the gyroscope used in existing panoramic photographing technique by the embodiment of the present invention; After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position; The anglec of rotation of camera is obtained according to described geomagnetic field intensity; When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures; And by gathered multiple pictures synthesis distant view photograph; Thus the panoramic photographing technique achieved based on geomagnetic sensor, the anglec of rotation of camera is obtained by geomagnetic field intensity, avoid the impact of artificial shake, solve the deviation of rotation of lens angle that existing panoramic photographing technique causes owing to adopting gyroscope, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.
embodiment three
Fig. 3 shows the composition structure of the distant view photograph filming apparatus that the embodiment of the present invention three provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, described device, for realizing the distant view photograph image pickup method described in Fig. 1 or Fig. 2 embodiment, can be the unit being built in the software unit of smart machine inside, hardware cell or software and hardware combining.Described smart machine includes but not limited to mobile phone, pocket computer (Pocket personalComputer, PPC), palmtop PC, personal digital assistant (Personal Digital Assistant, PDA), smart camera, intelligent camera etc., preferably smart mobile phone, panel computer.Described smart machine is provided with camera lens and geomagnetic sensor.Described geomagnetic sensor is for detecting the geomagnetic field intensity of the current present position of smart machine.
As shown in Figure 3, described device comprises:
First acquisition module 31, for after detecting that smart machine enters panorama photographing mode, obtains the geomagnetic field intensity of camera present position.
Second acquisition module 32, for obtaining the anglec of rotation of camera according to described geomagnetic field intensity.
Acquisition module 33, when being default angle threshold for working as the obtained anglec of rotation, controls camera collection multiple pictures.
Synthesis module 34, for synthesizing distant view photograph by gathered multiple pictures.
Further, described second acquisition module 32 comprises:
Acquiring unit 321, for obtaining the directional information of camera according to described geomagnetic field intensity.
Comparing unit 322, for by the directional information of camera and front once take time directional information or initial value compare, obtain the anglec of rotation of camera according to comparative result.
Wherein, described angle threshold be 360 ° with the ratio of described preset value.Described preset value is the number of pictures of default synthesis distant view photograph.Described azimuth information is the orientation angle of camera on the four corners of the world.The geomagnetic field intensity that geomagnetic sensor gets and the directional information residing for camera are one to one.Get the geomagnetic field intensity of camera present position, the directional information of camera can be obtained according to described geomagnetic field intensity.
Further, described synthesis module 34 comprises:
Judging unit 341, for judging whether gathered number of pictures reaches preset value.
Synthesis unit 342, for when the judged result of judging unit is for being, exits panorama photographing mode, and by gathered multiple pictures synthesis distant view photograph.
In embodiments of the present invention, before entering panorama photographing mode, user can arrange the number of pictures preset value for the synthesis of distant view photograph.Described preset value also can open in a recommended manner to be selected to user, such as according to the distance of reference object, recommends user to take 30 or 40 photos.
The embodiment of the present invention obtains the anglec of rotation of camera based on the geomagnetic field intensity that geomagnetic sensor detects, even if there occurs shake in the process of user's intelligent movable equipment, also the orientation angle of camera can not be affected, avoid in prior art the anglec of rotation deviation of shaking the camera that gyrostatic impact is produced, thus optimize the accuracy of intersection between progress and adjacent photo that multiple pictures gathers.
Preferably, described device also comprises:
Display module 35, for the number of pictures showing pan-shot progress bar and gather.
It should be noted that, device in the embodiment of the present invention may be used for the whole technical schemes realized in said method embodiment, the function of its each functional module can according to the method specific implementation in said method embodiment, its specific implementation process can refer to the associated description in above-described embodiment, repeats no more herein.
Geomagnetic sensor is replaced the gyroscope used in existing panoramic photographing technique by the embodiment of the present invention; After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position; The anglec of rotation of camera is obtained according to described geomagnetic field intensity; When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures; And by gathered multiple pictures synthesis distant view photograph; Thus the panoramic photographing technique achieved based on geomagnetic sensor, the anglec of rotation of camera is obtained by geomagnetic field intensity, avoid the impact of artificial shake, solve the deviation of rotation of lens angle that existing panoramic photographing technique causes owing to adopting gyroscope, the accuracy of intersection between progress and adjacent photo optimizing that multiple pictures gathers.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. a distant view photograph image pickup method, is characterized in that, described method comprises:
After detecting that smart machine enters panorama photographing mode, obtain the geomagnetic field intensity of camera present position;
The anglec of rotation of camera is obtained according to described geomagnetic field intensity;
When the obtained anglec of rotation is default angle threshold, control camera collection multiple pictures;
By gathered multiple pictures synthesis distant view photograph.
2. distant view photograph image pickup method as claimed in claim 1, is characterized in that, the described anglec of rotation according to described geomagnetic field intensity acquisition camera comprises:
The directional information of camera is obtained according to described geomagnetic field intensity;
By the directional information of camera and front once take time directional information or initial value compare, obtain the anglec of rotation of camera according to comparative result.
3. distant view photograph image pickup method as claimed in claim 1 or 2, is characterized in that, is describedly comprised by gathered multiple pictures synthesis distant view photograph:
Judge whether the number of pictures gathered reaches preset value;
If so, panorama photographing mode is exited, and by gathered multiple pictures synthesis distant view photograph.
4. distant view photograph image pickup method as claimed in claim 3, is characterized in that, described angle threshold be 360 ° with the ratio of described preset value.
5. distant view photograph image pickup method as claimed in claim 1, is characterized in that, after control camera collection multiple pictures, described method also comprises:
Display pan-shot progress bar and the number of pictures gathered.
6. a distant view photograph filming apparatus, is characterized in that, described device comprises:
First acquisition module, for after detecting that smart machine enters panorama photographing mode, obtains the geomagnetic field intensity of camera present position;
Second acquisition module, for obtaining the anglec of rotation of camera according to described geomagnetic field intensity;
Acquisition module, when being default angle threshold for working as the obtained anglec of rotation, controls camera collection multiple pictures;
Synthesis module, for synthesizing distant view photograph by gathered multiple pictures.
7. distant view photograph filming apparatus as claimed in claim 6, it is characterized in that, described second acquisition module comprises:
Acquiring unit, for obtaining the directional information of camera according to described geomagnetic field intensity;
Comparing unit, for by the directional information of camera and front once take time directional information or initial value compare, obtain the anglec of rotation of camera according to comparative result.
8. distant view photograph filming apparatus as claimed in claims 6 or 7, it is characterized in that, described synthesis module comprises:
Judging unit, for judging whether gathered number of pictures reaches preset value;
Synthesis unit, for when the judged result of judging unit is for being, exits panorama photographing mode, and by gathered multiple pictures synthesis distant view photograph.
9. distant view photograph filming apparatus as claimed in claim 8, is characterized in that, described angle threshold be 360 ° with the ratio of described preset value.
10. distant view photograph filming apparatus as claimed in claim 6, it is characterized in that, described device also comprises:
Display module, for the number of pictures showing pan-shot progress bar and gather.
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CN107241618A (en) * | 2017-08-07 | 2017-10-10 | 苏州市广播电视总台 | Recording method and collection device |
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CN109600543B (en) * | 2017-09-30 | 2021-01-22 | 京东方科技集团股份有限公司 | Method for photographing panoramic image by mobile device and mobile device |
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