CN111050094A - Multi-window display method and system - Google Patents
Multi-window display method and system Download PDFInfo
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- CN111050094A CN111050094A CN201911348412.3A CN201911348412A CN111050094A CN 111050094 A CN111050094 A CN 111050094A CN 201911348412 A CN201911348412 A CN 201911348412A CN 111050094 A CN111050094 A CN 111050094A
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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
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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Abstract
According to the multi-window display method, a weight is set for each window, a mark is distributed corresponding to each window, and the larger the weight is, the more corresponding marks are; and randomly sampling all the marks, taking a window corresponding to the sampled mark as an amplification object, and synchronously playing the amplification object through a preset large screen. According to the multi-window display method, each window has the opportunity to be displayed by marking and sampling, and the situation that the windows are submerged and the images corresponding to the windows cannot be effectively utilized is avoided. Meanwhile, through setting the weight and the mark, the important window has higher sampling probability, so that more playing time and higher frequency are obtained, and the playing requirement is ensured.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a multi-window display method and a multi-window display system.
Background
In occasions such as speech, on-site teaching, live broadcasting teaching, often will use a plurality of shooting angles to carry out panorama shooting, switch through many windows (promptly many shooting angles) at last and carry out video playback. At present, in the video playing process, the switching among a plurality of windows is performed manually or automatically and circularly.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a multi-window display method and a multi-window display system.
According to the multi-window display method, a weight is set for each window, a mark is distributed corresponding to each window, and the larger the weight is, the more corresponding marks are; and randomly sampling all the marks, taking a window corresponding to the sampled mark as an amplification object, and synchronously playing the amplification object through a preset large screen.
Preferably, the specific way of assigning the mark corresponding to each window is as follows: setting intervals by taking the numerical values as marks, wherein the length of each interval is the sum of the weights of all windows; and dividing the interval into the interval corresponding to each window, wherein the length of the interval is equal to the corresponding weight.
Preferably, the specific manner of dividing the interval into the interval sections corresponding to the windows is as follows: arranging the windows in sequence, wherein the section corresponding to each window is
k is the ordering of the windows, WiThe weight value of the ith window; when i is 1, Wi-1＝0。
Preferably, the method for acquiring the amplification object comprises the following steps: and randomly sampling on the interval, and acquiring a window corresponding to the interval where the sampling value is located as an amplification object.
Preferably, the large screen is used for full-screen playing of the amplified object and simultaneously used for embedded playing of the remaining windows.
A multi-window presentation system comprising: the device comprises an image acquisition module, a video window synthesis module, a weight setting module and a video sending module;
the image acquisition module comprises a plurality of cameras and is used for acquiring images at different angles;
the video window synthesis module is used for synthesizing a plurality of windows with different angles according to the shooting angles of the cameras and synthesizing video files of the windows according to the collected images of the image collection module;
the weight value presetting module is used for setting the weight value of each window and distributing marks corresponding to each window according to the weight value, and the larger the weight value is, the more the corresponding marks are;
and the video sending module is used for periodically sampling the marks and obtaining video files of the windows corresponding to the sampling marks and sending the video files to a preset large screen for playing.
Preferably, the video sending module is further configured to obtain video files of the remaining windows and send the video files to a large screen for playing the embedded small window.
Preferably, the system further comprises small screens corresponding to the windows one to one, and the small screens play the corresponding windows synchronously.
According to the multi-window display method, each window has the opportunity to be displayed by marking and sampling, and the situation that the windows are submerged and the images corresponding to the windows cannot be effectively utilized is avoided. Meanwhile, through setting the weight and the mark, the important window has higher sampling probability, so that more playing time and higher frequency are obtained, and the playing requirement is ensured.
Therefore, in the invention, different windows are switched to play a large screen according to the mark sampling, and the panoramic play of the application scene is ensured through the switching among the windows; meanwhile, through the setting of the number of the marks, different playing time lengths are realized among the windows according to different importance degrees, and important playing of the important windows is guaranteed.
Drawings
FIG. 1 is a flow chart of a multi-window displaying method according to the present invention;
FIG. 2 is a flow chart of another multi-window displaying method proposed by the present invention;
fig. 3 is a block diagram of a multi-window display system according to the present invention.
Detailed Description
Referring to fig. 1, the multi-window displaying method provided by the present invention is applicable to a scenario with a plurality of video displaying windows. In the method, a weight is set for each window, a mark is distributed corresponding to each window, and the larger the weight is, the more corresponding marks are; and randomly sampling all the marks, taking a window corresponding to the sampled mark as an amplification object, and synchronously playing the amplification object through a preset large screen.
In the embodiment, each window has the chance of being displayed by marking and sampling, so that the condition that the window is submerged and the image corresponding to the window cannot be effectively utilized is avoided. Meanwhile, through setting the weight and the mark, the important window has higher sampling probability, so that more playing time and higher frequency are obtained, and the playing requirement is ensured.
Thus, in the embodiment, different windows are switched according to the mark sampling to play the large screen, and the panoramic play of the application scene is ensured through the switching among the windows; meanwhile, through the setting of the number of the marks, different playing time lengths are realized among the windows according to different importance degrees, and important playing of the important windows is guaranteed.
Referring to fig. 2, in this embodiment, a specific way of assigning a mark to each window is as follows: setting intervals by taking the numerical values as marks, wherein the length of each interval is the sum of the weights of all windows; and dividing the interval into the interval corresponding to each window, wherein the length of the interval is equal to the corresponding weight. Specifically, in the present embodiment, the windows are arranged in sequence, and the section corresponding to each window is
k is the ordering of the windows, WiThe weight value of the ith window; when i is 1, Wi-10. Therefore, by means of the interval, the continuity of the mark is realized, and the interval is used for replacing the discrete mark, so that the randomness of mark sampling is further ensured, and the randomness of window switching is further ensured. Specifically, in this embodiment, the method for acquiring the amplification target includes: and randomly sampling on the interval, and acquiring a window corresponding to the interval where the sampling value is located as an amplification object.
In this embodiment, the large screen is used for performing full-screen playing on the amplified object and simultaneously performing embedded playing on the remaining windows. Or small screens corresponding to the windows one to one can be set, and the small screens play the corresponding windows synchronously.
The above process is further illustrated below with reference to specific examples.
In the trial court, a plurality of cameras are arranged aiming at an auditorium, a defended position, a source auditorium, a judge, a lawyer and the like, so that the blind-corner-free omnibearing shooting of the trial court is realized; a plurality of small display screens and a large display screen are arranged on the trial court, each small display screen corresponds to one shooting angle to be tracked and played, the large display screen plays the shooting angles in turn, and namely, a video played on the large display screen always coincides with one small display screen. In remote live broadcasting, a broadcast video of a large display screen is a main video displayed in a full screen mode on a live broadcasting interface, and meanwhile, the live broadcasting interface can also carry out embedded small-window broadcasting on broadcast images on other small display screens which are not used as the main video.
In the embodiment, each small display screen corresponds to one window, then the amplified object can be randomly extracted from the small display screens by the method, and the amplified object is synchronously played by taking the large display screen as a large screen on the trial court; and in the live broadcasting process, a live broadcasting interface is used as a large screen to synchronously play the amplified object.
Referring to fig. 3, the present invention further provides a multi-window display system, including: the device comprises an image acquisition module, a video window synthesis module, a weight setting module and a video sending module.
The image acquisition module comprises a plurality of cameras and is used for acquiring images at different angles.
And the video window synthesis module is used for synthesizing a plurality of windows with different angles according to the shooting angles of the cameras and synthesizing video files of the windows according to the collected images of the image collection module.
And the weight value presetting module is used for setting the weight value of each window and distributing marks to each window according to the weight value, and the larger the weight value is, the more the corresponding marks are.
Specifically, the weight setting module is used for arranging the windows in sequence and setting the interval corresponding to the windows
k is the ordering of the windows, WiThe weight value of the ith window; when i is 1, Wi-10. Each value in the corresponding interval is correspondingWindow mark
And the video sending module is used for periodically sampling the marks and obtaining video files of the windows corresponding to the sampling marks and sending the video files to a preset large screen for playing. Specifically, in this embodiment, the video sending module is used for sending the video in the continuous interval
And (5) performing up-random sampling, wherein km is the total number of windows.
In this embodiment, the video sending module is further configured to obtain video files of the remaining windows and send the video files to the large screen for playing the embedded small window.
Or small screens corresponding to the windows one to one can be set, and the small screens play the corresponding windows synchronously.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (8)
1. A multi-window display method is characterized in that a weight is set for each window, a mark is distributed corresponding to each window, and the larger the weight is, the more corresponding marks are; and randomly sampling all the marks, taking a window corresponding to the sampled mark as an amplification object, and synchronously playing the amplification object through a preset large screen.
2. The multi-window presentation method of claim 1, wherein the specific way of assigning a label to each window is: setting intervals by taking the numerical values as marks, wherein the length of each interval is the sum of the weights of all windows; and dividing the interval into the interval corresponding to each window, wherein the length of the interval is equal to the corresponding weight.
3. The multi-window presentation method of claim 2,the specific way of dividing the interval into the interval sections corresponding to the windows is as follows: arranging the windows in sequence, wherein the section corresponding to each window is
k is the ordering of the windows, WiThe weight value of the ith window; when i is 1, Wi-1＝0。
4. The multi-window presentation method of claim 3, wherein the method of obtaining the magnified object is: and randomly sampling on the interval, and acquiring a window corresponding to the interval where the sampling value is located as an amplification object.
5. The multi-window presentation method of claim 1, wherein the large screen is used for full-screen playback of the magnified object and also for embedded playback of the remaining windows.
6. A multi-window presentation system, comprising: the device comprises an image acquisition module, a video window synthesis module, a weight setting module and a video sending module;
the image acquisition module comprises a plurality of cameras and is used for acquiring images at different angles;
the video window synthesis module is used for synthesizing a plurality of windows with different angles according to the shooting angles of the cameras and synthesizing video files of the windows according to the collected images of the image collection module;
the weight value presetting module is used for setting the weight value of each window and distributing marks corresponding to each window according to the weight value, and the larger the weight value is, the more the corresponding marks are;
and the video sending module is used for periodically sampling the marks and obtaining video files of the windows corresponding to the sampling marks and sending the video files to a preset large screen for playing.
7. The multi-window presentation system of claim 6, wherein the video sending module is further configured to obtain video files of the remaining windows and send the video files to a large screen for playing the embedded small window.
8. The multi-window presentation system of claim 6, further comprising a small screen in one-to-one correspondence with each window, the small screen playing the corresponding windows synchronously.
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| CN101917568A (en) * | 2009-12-17 | 2010-12-15 | 新奥特（北京）视频技术有限公司 | Streaming media technology-based network video player and playing system |
| CN102905032A (en) * | 2012-10-24 | 2013-01-30 | 广东欧珀移动通信有限公司 | Method and system for realizing dynamic ring tone of smart mobile phone |
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| CN105376630A (en) * | 2015-10-15 | 2016-03-02 | 青海汉纳国际文化传播有限公司 | Method for displaying commodity in advertisement video |
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Application publication date: 20200421 |
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