CN106791390A - Wide-angle auto heterodyne live preview method and user terminal - Google Patents

Wide-angle auto heterodyne live preview method and user terminal Download PDF

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Publication number
CN106791390A
CN106791390A CN201611167565.4A CN201611167565A CN106791390A CN 106791390 A CN106791390 A CN 106791390A CN 201611167565 A CN201611167565 A CN 201611167565A CN 106791390 A CN106791390 A CN 106791390A
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China
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angle
wide
image
splicing
picture
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CN201611167565.4A
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CN106791390B (en
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陈飞飞
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Shanghai Chuanying Information Technology Co Ltd
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Shanghai Chuanying Information Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/667Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95Computational photography systems, e.g. light-field imaging systems
    • H04N23/951Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio

Abstract

The present invention relates to communication technical field, more particularly to a kind of wide-angle auto heterodyne live preview method and user terminal.The wide-angle auto heterodyne live preview method, comprises the following steps:Receive the instruction that user shoots wide-angle auto heterodyne picture;Obtain the image of current angular;Wide-angle picture is connected into by the image of the image of current angular and a upper angle is pre-splicing in real time;Thumbnail is generated by the wide-angle picture;By the thumbnail added to shooting interface;Judge whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain the image of next angle.Wide-angle auto heterodyne live preview method and user terminal that the present invention is provided, realize wide-angle auto heterodyne process and synthesize wide-angle picture in real time, and shooting interface is shown in real time, user can be with live preview wide-angle auto heterodyne effect during shooting, the operating procedure of user is reduced, the use enjoyment of user is greatly improved.

Description

Wide-angle auto heterodyne live preview method and user terminal
Technical field
The present invention relates to communication technical field, more particularly to a kind of wide-angle auto heterodyne live preview method and user terminal.
Background technology
With the sustainable development and the continuous improvement of people's living standard of science and technology, the intelligence such as mobile phone, camera, panel computer Energy subscriber terminal equipment is increasingly popularized in the life of people.Meanwhile, with chip processing technologies and image recognition technology all Unprecedented height is reached, shoot function has been increasingly becoming the basic configuration of intelligent subscriber terminal devices.With auto heterodyne work( The popularization of energy, each intelligent subscriber terminal devices increased front camera again on the basis of rear camera, increased people Use enjoyment.Wide-angle camera is the current a kind of new style of shooting risen, it be a kind of focal length be shorter than standard lens, Visual angle is longer than fish eye lens, visual angle and is less than fish-eye photography more than standard lens, focal length.Carried out certainly using wide-angle camera Bat can extend image content, enrich the use enjoyment of people.Although in practice, it has been found that the visual angle of wide-angle camera is than general The visual angle of logical camera is big, but the visual angle of general wide-angle camera fixes, in the wide-angle camera fixed using visual angle When being shot, it is not the effect that user wants sometimes to shoot and obtain picture, and the price of wide-angle camera is more high It is expensive, cause the cost of user terminal to raise.In order to solve this problem, current user terminal all uses common front camera Autodyned, during wide-angle auto heterodyne is carried out using common camera, user rotates by centered on oneself, obtains many Pictures, the plurality of pictures that then will be obtained synthesizes a wide-angle auto heterodyne picture.But, user is carried out using common camera During wide-angle is autodyned, shoot interface can only the image that is shot to current angular of preview, after the completion of wide-angle auto heterodyne process, User could concentrate in photograph album and check the wide-angle picture effect that photographs.So, user cannot real time inspection wide-angle autodyne effect Really, it is impossible to which wide-angle auto heterodyne picture is timely adjusted, when finding that photograph album concentrates the wide-angle picture effect of shooting poor, then Need return to shoot interface to be shot again, user's operation is relatively complicated, and loses time, and Consumer's Experience is poor.Therefore, such as What allows user to understand the effect of auto heterodyne picture in real time during wide-angle auto heterodyne, reduces user the step of operate repeatedly, improves and uses The use enjoyment at family, is technical problem urgently to be resolved hurrily at present.
The content of the invention
The present invention provides a kind of wide-angle auto heterodyne live preview method and user terminal, is used to solve user to be autodyned in wide-angle The problem of real time inspection auto heterodyne picture effect is unable in journey, the operating procedure of user is reduced, the use enjoyment of user is improve.
In order to solve the above problems, the invention provides a kind of wide-angle auto heterodyne live preview method, comprise the following steps:Connect Receive the instruction that user shoots wide-angle auto heterodyne picture;Obtain the image of current angular;By the image of current angular and a upper angle Image is pre-splicing in real time to be connected into wide-angle picture;Thumbnail is generated by the wide-angle picture;By the thumbnail added to shooting interface; Judge whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain the image of next angle.
Preferably, the image of the image by current angular and a upper angle is pre-splicing in real time the step of be connected into wide-angle picture Also include:Whether the image and the image of a upper angle for judging current angular meet default splicing requires, if it is not, then to user Send prompting.
Preferably, the step of generation thumbnail by the wide-angle picture is specifically included:By default scale smaller institute Wide-angle picture is stated to generate the thumbnail.
Preferably, the image of the image by current angular and a upper angle is pre-splicing in real time the step of be connected into wide-angle picture Also include:Show the splicing line of the wide-angle picture.
Preferably, the image of the image by current angular and a upper angle is pre-splicing in real time be connected into wide-angle picture before also Comprise the following steps:Whether detection current angular is initial angle, if so, thumbnail is then generated by the image of current angular, and By the thumbnail added to shooting interface.
Present invention also offers a kind of user terminal, including:Input module, the instruction for receiving user input;Obtain Module, the image for obtaining current angular;Pre-splicing connection module, for by the image reality of the image of current angular and a upper angle When pre-splicing be connected into wide-angle picture;Generation module, for generating thumbnail by the wide-angle picture;Add module, for by described in Thumbnail is added to and shoots interface;Control module, for judging whether user sends the instruction for terminating to shoot, if it is not, then continuing Obtain the image of next angle.
Preferably, the pre-splicing connection module includes judging unit, and the judging unit is used to judge the image of current angular Required with whether the image of a upper angle meets default splicing, if it is not, then issuing the user with prompting.
Preferably, the generation module as described in default scale smaller wide-angle picture generating the thumbnail.
Preferably, the pre-splicing connection module includes concatenation unit and display unit, and the pre-splicing unit is used for will be current The image of angle is pre-splicing in real time with the image of a upper angle to be connected into wide-angle picture;The display unit is used to show the wide-angle figure The splicing line of piece.
Preferably, the user terminal also include detection module, the detection module be used for detect current angular whether be Initial angle, if so, then generating thumbnail by the image of current angular, and is added to shooting interface by the thumbnail.
Wide-angle auto heterodyne live preview method and user terminal that the present invention is provided, realize wide-angle auto heterodyne process and synthesize in real time Wide-angle picture, and shooting interface is shown in real time, user can be reduced during shooting with live preview wide-angle auto heterodyne effect The operating procedure of user, greatly improves the use enjoyment of user.
Brief description of the drawings
Accompanying drawing 1 is the flow chart of the wide-angle auto heterodyne live preview method of the specific embodiment of the invention;
Accompanying drawing 2 is the structural representation of the user terminal of the specific embodiment of the invention.
Specific embodiment
The wide-angle auto heterodyne live preview method and the specific embodiment party of user terminal for providing the present invention below in conjunction with the accompanying drawings Formula elaborates.
The invention provides a kind of wide-angle auto heterodyne live preview method and user terminal, accompanying drawing 1 is specific implementation of the present invention The flow chart of the wide-angle auto heterodyne live preview method of mode, accompanying drawing 2 is the structure of the user terminal of the specific embodiment of the invention Schematic diagram.As shown in figure 1, wide-angle auto heterodyne live preview method of the present invention comprises the following steps:
Step S11, receives the instruction that user shoots wide-angle auto heterodyne picture.Wide-angle auto heterodyne live preview side of the present invention Method is applied to the user terminal with front camera, and the user terminal includes but is not limited to mobile phone, panel computer, notebook Computer, personal digital assistant etc..The user terminal is built-in with multiple screening-mode, and the realization of each screening-mode is required for connecing Receive the corresponding operational order of user.User can be entered the operating instructions using various ways, for example can be from user's end Wide-angle self-timer mode is selected in various screening-modes that end screen is listed, or using gesture operation directly by the phase of user terminal Machine module switches to wide-angle self-timer mode, and the present invention is not especially limited to this, those skilled in the art can according to oneself It is actually needed and is set.
Step S12, obtains the image of current angular.After the user terminal receives the operational order of user, by user's end Front camera shooting image on end, so as to obtain the auto heterodyne image of current angular.Consulted for the ease of user, adjusted, institute Stating the shooting interface of user terminal can in real time show the image frame that current angular is obtained.
Step S13, is connected into wide-angle picture by the image of the image of current angular and a upper angle is pre-splicing in real time.Carrying out extensively During angle is autodyned, the user terminal can rotate certain angle centered on auto heterodyne person, so that multiple images are obtained, And synthesize wide-angle picture by this multiple images.It is of the present invention in order to realize for live preview wide-angle picture synthetic effect Wide-angle auto heterodyne live preview method comprises the following steps:It is connected into the image of the image of current angular and a upper angle is pre-splicing in real time Wide-angle picture.During wide-angle auto heterodyne is carried out, the user terminal can in real time obtain the image information of current angular to user, And the image data information of the current angular of acquisition is stored in the caching inside user terminal, with the carrying out for shooting, institute State the picture number that the image data information and a upper angle of the current angular acquisition that is stored with the caching inside user terminal are obtained It is believed that breath, the multiple images data message stored in the caching is rendered simultaneously, multiple images after rendering carry out pre-splicing Connect, generate wide-angle picture.The wide-angle picture of the pre-splicing generation will not be stored, but as shooting is carried out, constantly more Newly.Wherein, the method for synthesis wide-angle picture can use method well-known to those skilled in the art, the present invention not to limit this It is fixed.
In order to prevent user's rotational angle excessive, and cause the wide-angle auto heterodyne picture effect for ultimately generating poor, it is preferred that The image of the image by current angular and a upper angle is pre-splicing in real time also to be included the step of be connected into wide-angle picture:Judge current The image of angle is required with whether the image of a upper angle meets default splicing, if it is not, then issuing the user with prompting.Wherein, The default splicing is required to include but is not limited to:With the presence or absence of Chong Die between the image of current angular and the image of a upper angle Whether region, and overlapping region area shared in the picture reaches preset value.For that with the presence or absence of overlapping region, can adopt With the method for feature point detection, the image according to current angular is sentenced with the number of the Feature Points Matching of the image of a upper angle It is disconnected.The area of the overlapping region, is the shared area ratio in whole image of the lap on the image of current angular. In general, the preset value is 30%-50%.Because, if front and rear two images do not exist overlapping region, splicing generation Wide-angle picture effect it is poor, when serious, or even splicing can not be completed, and form one on the wide-angle auto heterodyne picture for ultimately generating White space.Therefore, by issuing the user with prompting, it is to avoid user just recognizes the problem after the completion of shooting operation, can be with Auto heterodyne effect is timely adjusted, user's operating procedure repeatedly is reduced.
Shooting angle is adjusted for the ease of user, so as to obtain the wide-angle auto heterodyne picture of better quality, it is preferred that described to incite somebody to action The image of the image of current angular and a upper angle is pre-splicing in real time also to be included the step of be connected into wide-angle picture:Show the wide-angle figure The splicing line of piece.Wherein, the splicing line can show that the color of the splicing line can be white with modes such as dotted line, solid lines Color, glassy yellow etc. are easy to user to check than more prominent color.
Step S14, thumbnail is generated by the wide-angle picture.It is described wide in order to not influence the normal shooting operation of user Angle picture is in the form of thumbnail.Those skilled in the art can be generated using various ways by the wide-angle picture of pre-splicing generation Thumbnail.Understand the whole structure of wide-angle auto heterodyne picture in real time for the ease of user, it is preferred that described to be given birth to by the wide-angle picture The step of into thumbnail, specifically includes:Wide-angle picture is generating the thumbnail as described in default scale smaller.
Step S15, by the thumbnail added to shooting interface.After thumbnail synthesis, the thumbnail is shown in bat Take the photograph interface.In order to not influence user normally to shoot, the thumbnail can be set the corner for being positioned over and shooting interface.
Step S16, judges whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain the image of next angle. If user does not send the instruction for shooting and terminating, the front camera of the user terminal continues to obtain the image of next angle, And in by the view data of the next angle for obtaining continuing to be stored in the caching inside user terminal, next render simultaneously and be located at The view data of a upper angle, current angular and next angle in caching, and rendered image is carried out it is pre-splicing, again Generation wide angle picture, and the thumbnail generated by the wide angle picture is shown in shooting interface.So move in circles, with new Wide-angle picture is shown in and shoots the thumbnail at interface also real-time update constantly by pre-splicing generation, and user can be wide with live preview Angle auto heterodyne picture synthetic effect, until receiving the instruction that user terminates to shoot.
When user initially shoots, the image of current angular is initial pictures, in the absence of the image of a upper angle, in order to Prevent from splicing mistake, it is preferred that the image by current angular is pre-splicing in real time with the image of a upper angle to be connected into wide-angle picture Also comprise the following steps before:Whether detection current angular is initial angle, if so, then generating breviary by the image of current angular Figure, and the thumbnail is added to shooting interface.
The wide-angle auto heterodyne live preview method that the present invention is provided, realizes wide-angle auto heterodyne process and synthesizes wide-angle picture in real time, And shooting interface is shown in real time, user can reduce user's during shooting with live preview wide-angle auto heterodyne effect Operating procedure, greatly improves the use enjoyment of user.
Moreover, present invention also offers a kind of user terminal, as shown in Fig. 2 the user terminal includes:Input mould Block 21, acquisition module 22, pre-splicing connection module 24, generation module 25, add module 26 and control module 27.
The input module 21, the instruction for receiving user input.Wide-angle auto heterodyne live preview side of the present invention Method is applied to the user terminal with front camera, and the user terminal includes but is not limited to mobile phone, panel computer, notebook Computer, personal digital assistant etc..The user terminal is built-in with multiple screening-mode, and the realization of each screening-mode is required for connecing Receive the corresponding operational order of user.User can be entered the operating instructions using various ways, such as described input module 21 can Various screening-modes are presented with to user, select wide in various screening-modes that user can list from the user terminal screen Angle self-timer mode, or the input module 21 is a gesture induction device, and user can be using gesture operation directly by user's end The camera model at end switches to wide-angle self-timer mode, and the present invention is not especially limited to this, and those skilled in the art can basis Being actually needed for oneself is set.
The acquisition module 22, the image for obtaining current angular.The user terminal receives the operational order of user Afterwards, the auto heterodyne image of current angular is then obtained by the acquisition module 22 on user terminal.Consulted for the ease of user, adjusted, institute Stating the shooting interface of user terminal can in real time show the image frame that current angular is obtained.
The pre-splicing connection module 24, for being connected into wide-angle by the image of the image of current angular and a upper angle is pre-splicing in real time Picture.During wide-angle auto heterodyne is carried out, the user terminal can rotate certain angle centered on auto heterodyne person, so that Multiple images are obtained, and synthesizes wide-angle picture by this multiple images.In order to realize for live preview wide-angle picture synthetic effect, User terminal of the present invention also include pre-splicing connection module 24, the pre-splicing connection module 24 be used for by the image of current angular with The image of a upper angle is pre-splicing in real time to be connected into wide-angle picture.User during wide-angle auto heterodyne is carried out, the user terminal meeting The image information of current angular is obtained in real time, and the image data information of the current angular of acquisition is stored in inside user terminal Caching in, with shoot carrying out, the current angular that is stored with the caching inside the user terminal obtain view data The image data information that information and a upper angle are obtained, the multiple images data message stored in the caching is rendered simultaneously, Multiple images after rendering carry out pre-splicing, generation wide-angle picture.The wide-angle picture of the pre-splicing generation will not be stored, But as shooting is carried out, constantly update.Wherein, the method for synthesis wide-angle picture can be ripe using those skilled in the art institute The method known, this is not limited by the present invention.
In order to prevent user's rotational angle excessive, and cause the wide-angle auto heterodyne picture effect for ultimately generating poor, it is preferred that The pre-splicing connection module 24 includes judging unit 241, and the judging unit 241 is used to judge the image and Shang Yijiao of current angular Whether the image of degree meets default splicing requires, if it is not, then issuing the user with prompting.Wherein, the default splicing is required Including but not limited to:Whether there is overlapping region, and overlapping region between the image of the image of current angular and a upper angle Whether shared area reaches preset value in the picture.For with the presence or absence of overlapping region, the side of feature point detection can be used Method, the image according to current angular judges with the number of the Feature Points Matching of the image of a upper angle.The overlapping region Area, is the shared area ratio in whole image of the lap on the image of current angular.In general, it is described default It is 30%-50% to be worth.Because, if front and rear two images do not exist overlapping region, splice generation wide-angle picture effect compared with Difference, when serious, or even can not complete splicing, and form a white space on the wide-angle auto heterodyne picture for ultimately generating.Therefore, logical Cross and issue the user with prompting, it is to avoid user just recognizes the problem after the completion of shooting operation, can be to auto heterodyne effect timely It is adjusted, reduces user's operating procedure repeatedly.
Shooting angle is adjusted for the ease of user, so as to obtain the wide-angle auto heterodyne picture of better quality, it is preferred that described pre- Concatenation module 24 includes concatenation unit 242 and display unit 243, and the pre-splicing unit 242 is used for the image of current angular It is pre-splicing in real time with the image of a upper angle to be connected into wide-angle picture;The display unit 243 is used to show the spelling of the wide-angle picture Wiring.Wherein, the splicing line can show that the color of the splicing line can be white, bright orange with modes such as dotted line, solid lines Color etc. is easy to user to check than more prominent color.
The generation module 25, for generating thumbnail by the wide-angle picture.In order to not influence user normally to shoot Operation, the wide-angle picture is in the form of thumbnail.Those skilled in the art can be using various ways by pre-splicing generation Wide-angle picture generates thumbnail.Understand the whole structure of wide-angle auto heterodyne picture in real time for the ease of user, it is preferred that the generation Module 25 as described in default scale smaller wide-angle picture generating the thumbnail.
The add module 26, interface is shot for the thumbnail to be added to.After thumbnail synthesis, by the breviary Figure is shown in shooting interface.In order to not influence user normally to shoot, the thumbnail can be set and be positioned over shooting interface Corner.
The control module 27, for judging whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain next The image of angle.If user does not send the instruction for shooting and terminating, the acquisition module 22 of the user terminal continues to obtain next The image of angle, and the view data of the next angle for obtaining continued to be stored in the caching inside user terminal, next The view data of the upper angle, current angular and next angle in caching is rendered simultaneously, and rendered image is entered Row is pre-splicing, wide angle picture is generated again, and the thumbnail generated by the wide angle picture is shown in into shooting interface.So circulation Back and forth, as new wide-angle picture is constantly by pre-splicing generation, it is shown in and shoots the thumbnail at interface also real-time update, Yong Huke With live preview wide-angle auto heterodyne picture synthetic effect, until receiving the instruction that user terminates to shoot.
When user initially shoots, the image of current angular is initial pictures, in the absence of the image of a upper angle, in order to Prevent from splicing mistake, it is preferred that the user terminal also includes detection module 23, the detection module 23 is used to detect works as anterior angle Whether degree is initial angle, if so, then generating thumbnail by the image of current angular, and the thumbnail is added into shooting circle Face.
Wide-angle auto heterodyne live preview method and user terminal that the present invention is provided, realize wide-angle auto heterodyne process and synthesize in real time Wide-angle picture, and shooting interface is shown in real time, user can be reduced during shooting with live preview wide-angle auto heterodyne effect The operating procedure of user, greatly improves the use enjoyment of user.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also should be regarded as Protection scope of the present invention.

Claims (10)

1. a kind of wide-angle auto heterodyne live preview method, it is characterised in that comprise the following steps:
Receive the instruction that user shoots wide-angle auto heterodyne picture;
Obtain the image of current angular;
Wide-angle picture is connected into by the image of the image of current angular and a upper angle is pre-splicing in real time;
Thumbnail is generated by the wide-angle picture;
By the thumbnail added to shooting interface;
Judge whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain the image of next angle.
2. wide-angle auto heterodyne live preview method according to claim 1, it is characterised in that the image by current angular It is pre-splicing in real time with the image of a upper angle also to include the step of be connected into wide-angle picture:Judge the image and a upper angle of current angular Image whether meet it is default splicing require, if it is not, then issuing the user with prompting.
3. wide-angle auto heterodyne live preview method according to claim 1, it is characterised in that described to be given birth to by the wide-angle picture The step of into thumbnail, specifically includes:Wide-angle picture is generating the thumbnail as described in default scale smaller.
4. wide-angle auto heterodyne live preview method according to claim 1, it is characterised in that the image by current angular It is pre-splicing in real time with the image of a upper angle also to include the step of be connected into wide-angle picture:Show the splicing line of the wide-angle picture.
5. wide-angle auto heterodyne live preview method according to claim 1, it is characterised in that the image by current angular It is pre-splicing in real time with the image of a upper angle be connected into wide-angle picture before also comprise the following steps:Whether detection current angular is initial Angle, if so, then generating thumbnail by the image of current angular, and is added to shooting interface by the thumbnail.
6. a kind of user terminal, it is characterised in that including:
Input module, the instruction for receiving user input;
Acquisition module, the image for obtaining current angular;
Pre-splicing connection module, for being connected into wide-angle picture by the image of the image of current angular and a upper angle is pre-splicing in real time;
Generation module, for generating thumbnail by the wide-angle picture;
Add module, interface is shot for the thumbnail to be added to;
Control module, for judging whether user sends the instruction for terminating to shoot, if it is not, then continuing to obtain the figure of next angle Picture.
7. user terminal according to claim 6, it is characterised in that the pre-splicing connection module includes judging unit, described Judging unit is used to judge the image of current angular is required with whether the image of a upper angle meets default splicing, if it is not, then Issue the user with prompting.
8. user terminal according to claim 6, it is characterised in that the generation module is as described in default scale smaller Wide-angle picture is generating the thumbnail.
9. user terminal according to claim 6, it is characterised in that the pre-splicing connection module includes concatenation unit and display Unit, the pre-splicing unit is used to be connected into wide-angle picture by the image of the image of current angular and a upper angle is pre-splicing in real time; The display unit is used to show the splicing line of the wide-angle picture.
10. user terminal according to claim 6, it is characterised in that the user terminal also includes detection module, described Detection module is used to detect whether current angular is initial angle, if so, thumbnail is then generated by the image of current angular, and will The thumbnail is added to and shoots interface.
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