CN104010225A - Method and system for displaying panoramic video - Google Patents

Method and system for displaying panoramic video Download PDF

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Publication number
CN104010225A
CN104010225A CN201410277404.5A CN201410277404A CN104010225A CN 104010225 A CN104010225 A CN 104010225A CN 201410277404 A CN201410277404 A CN 201410277404A CN 104010225 A CN104010225 A CN 104010225A
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China
Prior art keywords
viewpoint
panoramic video
data
video
unit
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Granted
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CN201410277404.5A
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CN104010225B (en
Inventor
刘仲男
姚键
潘柏宇
卢述奇
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Alibaba China Co Ltd
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1Verge Internet Technology Beijing Co Ltd
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Abstract

The invention provides a method and system for displaying panoramic video. The method comprises the steps that panoramic video data are read; viewpoint data are acquired; the panoramic video of corresponding viewpoints is rendered; the panoramic video is played. The viewpoints comprise an acquiescent viewpoint and/or a recommending viewpoint, the step of acquiring the viewpoint data can comprise the substep of viewpoint moving, and the viewpoints are moved vertically, left and right and rotatably; or, a position needed to be displayed is selected freely, or a camera of the panoramic video is selected, or various viewpoint selection requests are recognized according to gestures on a touch screen. When the panoramic video is played, all the video can be buffered at one time, or only the panoramic video data corresponding to the selected viewpoints are buffered according to the selected viewpoints. The method and system can be used for a player used for displaying the panoramic video in a mobile terminal, and therefore the experience feeling of a user is increased.

Description

The method and system that shows panoramic video
Technical field
The application relates to video playback field, particularly, relates to a kind of method and system that shows panoramic video.
Background technology
Video of the prior art is when playing, the viewing area of video content is non-adjustable because the reason (as: angle coverage of camera lens, scope) of taking causes it to fix, be that user can only watch current region, video pictures can only be followed lens moving and be changed, user watches without third dimension, can not be on the spot in person.
And panoramic video refers to a kind of video with 360 degree visual angles.Panoramic video has third dimension and the sense of reality, and visual experience can be provided well.In prior art, there is the display packing of panoramic picture, but for, panoramic video, does not provide a kind of display packing, further, for video, does not carry out selection and the location at visual angle.
Therefore, propose a kind of system of selection of the method that shows panoramic video, particularly visual angle, become the technical problem that prior art is needed solution badly.
Summary of the invention
The object of the invention is to propose a kind of method and system that shows panoramic video, make to carry out panoramic video broadcasting, increased user's viewing experience, can see the picture part that conventional video can not show.
For reaching this object, the present invention by the following technical solutions:
A method that shows panoramic video, comprises the steps:
S110: read panoramic video data;
S120: obtain viewpoint data;
S130: the panoramic video of playing up corresponding viewpoint according to described viewpoint;
S140: broadcast described panoramic video.
Preferably, described viewpoint comprises acquiescence viewpoint and/or recommends viewpoint, the middle part that described acquiescence viewpoint is panoramic video two field picture, and described recommendation viewpoint comprises the abundantest position of video content for showing.
Preferably, in obtaining viewpoint data step, comprise viewpoint mover step, viewpoint carried out to the movement of upper and lower, left and right and rotation, described in the angle that drags be 0-30 degree.
Preferably, in obtaining viewpoint data step, comprise any viewpoint chooser step, select arbitrarily position to display.
Preferably, in obtaining viewpoint data step, comprise seat in the plane viewpoint chooser step, choose the seat in the plane of panoramic video.
Preferably, in obtaining viewpoint data step, comprise touch gestures recognin step, according to the gesture on touch-screen, identify various viewpoints and select request.
Preferably, in broadcasting described panoramic video step, also there is video buffer sub-step, all videos of disposable whole bufferings, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint.
And/or also there is definition chooser step, for switching the definition of SD, high definition, super clear, 1080P.
The invention also discloses a kind of system that shows panoramic video, comprise as lower unit:
Panoramic video data-reading unit: for reading panoramic video data;
Viewpoint data capture unit: for obtaining viewpoint data;
Panorama rendering unit: for play up the panoramic video of corresponding viewpoint according to described viewpoint;
Panorama display unit: for broadcasting described panoramic video.
Preferably, described viewpoint data capture unit, comprises one or more in following subelement,
Viewpoint mover unit, carries out the movement of upper and lower, left and right and rotation to viewpoint, described in the angle that drags be 0-30 degree;
Viewpoint chooser unit, selects arbitrarily position to display arbitrarily;
Viewpoint chooser unit, seat in the plane, chooses the seat in the plane of panoramic video;
Touch gestures recognin unit, according to the gesture on touch-screen, identifies various viewpoints and selects request.
Preferably, panorama display unit, also comprises, video buffer subelement, and all videos of disposable whole bufferings, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint.
And/or also comprise, definition chooser unit, for switching the definition of SD, high definition, super clear, 1080P.
 
Method and system of the present invention can in mobile terminal for showing the player of panoramic video, thereby increase user's experience sense.Viewpoint is selected variation, and user can specify viewpoint arbitrarily, to obtain the video of required appreciation, provides recommendation viewpoint simultaneously.There is viewpoint seat in the plane, to obtain rapidly needed viewpoint in live, provide simultaneously and recommend seat in the plane viewpoint, realized and appreciated the quick optimization of switching of angle and seat in the plane.
Accompanying drawing explanation
Fig. 1 is the method for demonstration panoramic video according to a particular embodiment of the invention;
Fig. 2 is the system of demonstration panoramic video according to a particular embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not entire infrastructure.
Referring to Fig. 1, show the method for demonstration panoramic video according to a particular embodiment of the invention, comprise the steps:
S110: read panoramic video data;
S120: obtain viewpoint data;
S130: the panoramic video of playing up corresponding viewpoint according to described viewpoint;
S140: broadcast described panoramic video.
Therefore, the present invention, from server, obtain panoramic video resource plays in the player of client, in panoramic video resource, the size of each two field picture is all greater than the display size of player window, that is to say, the current picture that user sees in player window is a part for panoramic video current frame image.Therefore, must obtain viewpoint data, and then obtain corresponding panoramic video according to described viewpoint, finally for playing.
Preferably, described viewpoint comprises acquiescence viewpoint and/or recommends viewpoint, the middle part that described acquiescence viewpoint is panoramic video two field picture, and described recommendation viewpoint comprises the abundantest position of video content for adopting the mode of recommending to show.The abundantest position of this video content can calculate by large data algorithm.Certainly, in the present invention, the viewpoint that described acquiescence viewpoint also can be watched for last video, or user the viewpoint of appointment arbitrarily.
Further preferably, in obtaining viewpoint data step, can move viewpoint, comprise the movement of upper and lower, left and right and rotation, the angle of described movement is 0-30 degree, further preferably, the angle of described movement is 0-360 degree, thereby carries out omnibearing movement.
Further preferably, in obtaining viewpoint data step, can carry out the selection of any viewpoint, adopt the mode of similar electronic chart, select arbitrarily position to display.
Further preferably, in obtaining viewpoint data step, seat in the plane viewpoint selection can be carried out, the seat in the plane of panoramic video can be chosen.For example adopt numeral to carry out serial number to several conventional viewpoints, and storage using as seat in the plane, so that select.For example, for live, as: football match, user can formulate corresponding seat in the plane in advance according to Zhong Qiu position, court, when watching panoramic video, carries out rapidly the switching of different seats in the plane, provides other seats in the plane to select for user simultaneously.Meanwhile, in the present invention, also can obtain recommending seat in the plane viewpoint by algorithm.
Further preferably, in obtaining viewpoint data step, can also carry out touch gestures recognin step, according to the gesture on touch-screen, identify various viewpoints and select request.For example, the upper and lower, left and right of viewpoint and rotation, the amplification of video and dwindling.
In broadcasting described panoramic video step S140, in order to accelerate the broadcasting of video, also there is video buffer sub-step, can all videos of disposable whole bufferings, be all panoramic videos of disposable download, to watch in time panoramic video, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint, to improve the fluency showing in the slack situation of user network.Only have when user has carried out picture and drag behavior, in other words, in the situation that viewpoint changes, the part that just buffering will show.
Preferably, in broadcasting described panoramic video step, also there is definition chooser step, for switching the definition of SD, high definition, super clear, 1080P.
Above-mentioned panoramic video display packing can in mobile terminal for showing the player of panoramic video, thereby increase user's experience sense.Viewpoint is selected variation, and user can specify viewpoint arbitrarily, to obtain the video of required appreciation, provides recommendation viewpoint simultaneously.There is viewpoint seat in the plane, to obtain rapidly needed viewpoint in live, provide simultaneously and recommend seat in the plane viewpoint, realized and appreciated the quick optimization of switching of angle and seat in the plane.
Further, the invention also discloses a kind of system that shows panoramic video, comprise as lower unit:
Panoramic video data-reading unit 210: for reading panoramic video data;
Viewpoint data capture unit 220: for obtaining viewpoint data;
Panorama rendering unit 230: for play up the panoramic video of corresponding viewpoint according to described viewpoint;
Panorama display unit 240: for broadcasting described panoramic video.
Wherein, described viewpoint data capture unit, comprises one or more in following subelement,
Viewpoint mover unit, carries out the movement of upper and lower, left and right and rotation to viewpoint, described in the angle that drags be 0-30 degree;
Viewpoint chooser unit, selects arbitrarily position to display arbitrarily;
Viewpoint chooser unit, seat in the plane, chooses the seat in the plane of panoramic video;
Touch gestures recognin unit, according to the gesture on touch-screen, identifies various viewpoints and selects request.
Preferably, panorama display unit, also comprises, video buffer subelement, and all videos of disposable whole bufferings, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint.
And/or also comprise, definition chooser unit, for switching the definition of SD, high definition, super clear, 1080P.
Obviously, those skilled in the art should be understood that, above-mentioned each unit of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, alternatively, they can realize with the executable program code of computer installation, thereby they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine protection range by submitted to claims.

Claims (10)

1. a method that shows panoramic video, comprises the steps:
Read panoramic video data;
Obtain viewpoint data;
According to described viewpoint, play up the panoramic video of corresponding viewpoint;
Broadcast described panoramic video.
2. the method for demonstration panoramic video according to claim 1, is characterized in that:
Described viewpoint comprises acquiescence viewpoint and/or recommends viewpoint, the middle part that described acquiescence viewpoint is panoramic video two field picture, and described recommendation viewpoint comprises the abundantest position of video content for showing.
3. the method for demonstration panoramic video according to claim 1, is characterized in that:
In obtaining viewpoint data step, comprise viewpoint mover step, viewpoint is carried out to the movement of upper and lower, left and right and rotation, described in the angle that drags be 0-30 degree.
4. the method for demonstration panoramic video according to claim 1, is characterized in that:
In obtaining viewpoint data step, comprise any viewpoint chooser step, select arbitrarily position to display.
5. the method for demonstration panoramic video according to claim 1, is characterized in that:
In obtaining viewpoint data step, comprise seat in the plane viewpoint chooser step, choose the seat in the plane of panoramic video.
6. the method for demonstration panoramic video according to claim 1, is characterized in that:
In obtaining viewpoint data step, comprise touch gestures recognin step, according to the gesture on touch-screen, identify various viewpoints and select request.
7. according to the method for the demonstration panoramic video described in any one in claim 1-6, it is characterized in that:
In broadcasting described panoramic video step, also there is video buffer sub-step, all videos of disposable whole bufferings, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint;
And/or also there is definition chooser step, for switching the definition of SD, high definition, super clear, 1080P.
8. a system that shows panoramic video, comprises as lower unit:
Panoramic video data-reading unit: for reading panoramic video data;
Viewpoint data capture unit: for obtaining viewpoint data;
Panorama rendering unit: for play up the panoramic video of corresponding viewpoint according to described viewpoint;
Panorama display unit: for broadcasting described panoramic video.
9. the system of demonstration panoramic video according to claim 8, is characterized in that:
Described viewpoint data capture unit, comprises one or more in following subelement,
Viewpoint mover unit, carries out the movement of upper and lower, left and right and rotation to viewpoint, described in the angle that drags be 0-30 degree;
Viewpoint chooser unit, selects arbitrarily position to display arbitrarily;
Viewpoint chooser unit, seat in the plane, chooses the seat in the plane of panoramic video;
Touch gestures recognin unit, according to the gesture on touch-screen, identifies various viewpoints and selects request.
10. the system of demonstration panoramic video according to claim 8 or claim 9, is characterized in that:
Panorama display unit, also comprises, video buffer subelement, and all videos of disposable whole bufferings, or according to selected viewpoint, only cushion full screen video data corresponding to selected viewpoint;
And/or also there is definition chooser unit, for switching the definition of SD, high definition, super clear, 1080P.
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