CN102420968A - Method and system for displaying video windows in video conference - Google Patents
Method and system for displaying video windows in video conference Download PDFInfo
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- CN102420968A CN102420968A CN201110422566XA CN201110422566A CN102420968A CN 102420968 A CN102420968 A CN 102420968A CN 201110422566X A CN201110422566X A CN 201110422566XA CN 201110422566 A CN201110422566 A CN 201110422566A CN 102420968 A CN102420968 A CN 102420968A
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Abstract
The invention provides a method for displaying video windows in a video conference. The method comprises the following steps of: acquiring the number N of the video windows opened in the video conference; generating a display template of each video window according to the N; and displaying the video windows on a display device according to the display templates. The invention also provides a system for displaying the video windows in the video conference. By the method and the system, each window is subjected to splicing angle regulation, round table conference effects still can be highlighted vividly when the number of conference participants is changed, and round table display can be realized in a single display device.
Description
Technical field
The present invention relates to video display technology, the method and system of display video window in particularly a kind of video conference.
Background technology
The constantly ripe and development along with network technique ground, the network teleconference has substituted traditional meeting of personally discussing gradually.This has not only reduced various costs of personally discussing meeting, and has improved the efficient of work greatly, is one of present most large enterprises working method of praising highly.
At number of patent application is in 200610172238.8 the patent application " method and the device that in instant messaging, show multi-party video "; A kind of technology that adopts the on-right angle parallelogram to show multi-party video is disclosed; Through forming aspectant stereoeffect, thereby improved user's experience.
In application number was 200980119121.5 patent application " virtual round table video conference ", a kind of system and method for creating virtual round table video conference was disclosed.A plurality of displays of being arranged with the configuration with desk are disposed in around a plurality of displays to create virtual round table camera; So that when the participant watches the display of the image with remote participant; The camera that is associated with this display is caught this participant's the image of watching attentively, contacts thereby carry out sight with camera.This image is displayed on the end points place of remote participant, thereby produces the effect of the sight contact between the participant.Participant's image is visually seemed than is presented at that central participant leaves closelyer by convergent-divergent so that be presented at the participant on left side and right side.
But this scheme can't be adjusted video display area in video display process in real time; The video window that shows can only uniform zoom; Particularly can not adjust the visual angle of each video window according to the video window number; Because to change all is greatly to participant's number in the video conference, thus this scheme can't guarantee still can equally vivo protrude the roundtable conference effect according to the variation of participant number in reply, in addition; This scheme can embody the round table notion through multiple arrangement, needs bigger equipment cost input just can realize the round table display effect.
Summary of the invention
In order to address the above problem, the present invention provides the method and system of display video window in a kind of video conference.
The method of display video window in a kind of video conference may further comprise the steps:
Obtain the video window of opening in the video conference and count N;
Generate the indicating template of each video window according to said N value;
Said video window is shown on display unit according to said indicating template.
The system of display video window in a kind of video conference comprises:
The window number acquiring unit is used for obtaining the video window that video conference opens and counts N;
The indicating template generation unit is used for the indicating template according to said each video window of N value generation;
Display unit is used for said video window is shown on display unit according to said indicating template.
Compared with prior art; Technology of the present invention is through at first obtaining the video window number of opening in the video conference; Generate the indicating template of each video window then; Again video window is shown that the user can set splicing angle and the window displayed size etc. of the indicating template of each window, thereby has realized each window is spliced angle adjustment according to said indicating template; Can when the variation of reply participant number, still can vivo protrude the roundtable conference effect, in single display unit, reach round table and show.
Description of drawings
Fig. 1 is the flow chart of the method for display video window in the video conference provided by the invention;
Fig. 2 is the method flow diagram that generates the indicating template of each video window according to said N value;
Fig. 3 is a sketch map of using the embodiment of one 4 people's video conference of the method for display video window in the video conference of the present invention;
Fig. 4 is the sketch map of the N embodiment that the benchmark window shows when being odd number;
Fig. 5 is the sketch map of the N embodiment that the benchmark window shows when being even number;
Fig. 6 is the sketch map of beholder's location definition display video window when being an end of round table;
Fig. 7 is the sketch map that display background sets off ground spherical arc shape figure in the screen bottom of display unit;
Fig. 8 is the structural representation of the system of display video window in the video conference of the present invention;
Fig. 9 is the structural representation of an embodiment of the structural representation of the system of display video window in the video conference.
Embodiment
Below in conjunction with accompanying drawing and embodiment the method for display video window in the video conference of the present invention is described in detail.
Referring to shown in Figure 1, the method for display video window in the video conference of the present invention may further comprise the steps:
Step 101: obtain the video window of opening in the video conference and count N, promptly confirm the display video window number of display unit.
Step 102: the indicating template that generates each video window according to said N value; Promptly set each video window display resolution and visual angle thereof on display unit etc.
Step 103: said video window is shown on display unit according to said indicating template.
In the practical application, the video window that the user can open or close the participant is at any time controlled the number of N.For step 101, particularly, can, meeting control participant's (each participant member is furnished with video-unit) that the video window number of opening obtains video Data Transmission after initiating through Conference server MCU, count N thereby obtain the video window of opening.
For step 102, mainly be that the template of each video window during showing on display unit is set, display resolution and visual angle thereof etc. promptly are set, as shown in Figure 2, comprise the steps:
Step 201: the benchmark window is set according to said N value; Wherein, the benchmark window is a video window as a reference, and other video window relative datum position of window is fixed.Particularly, benchmark the window's position is set can adopts following method: judge at first whether N is odd number, if, then (N+1)/2 video window is made as the benchmark window, if not, then N/2 and N/2+1 video window are made as the benchmark window.
Step 202: the display layout that said video window is set according to said benchmark window and said N value; Particularly, can may further comprise the steps:
(a) obtain the display resolution of viewing area; Wherein, the viewing area is video window occupied zone on display unit, particularly, through at first obtaining the resolution of display unit, and then deducts the resolution of reserved location.
(b) the splicing angle between benchmark window, preset each video window of N value; Particularly; After the benchmark window was set, the position of the video window that in the middle of the viewing area, shows was confirmed, according to N value situation; The user can preset the splicing angle between each video window, thereby can arrange so that video window splices with certain radian.
(c) according to the display resolution of said splicing angle calculation and allocated display area; Particularly, calculate the coordinate indication range of each video window, obtain the display layout of video window according to the splicing goniometer of setting.
Step 203: the indicating template that generates each video window according to said display layout; Particularly; When N is odd number, (N+1)/2 video window (benchmark window) is arranged on the centre position of viewing area, then by other video window of predetermined angle splicing; When N is even number;, the mid point of N/2 and N/2+1 video window (benchmark window) splicing is arranged on the centre position of viewing area, then by other video window of predetermined angle splicing; The corresponding video window of each indicating template, in the practical application, the indicating template that video data is mail to corresponding video window shows.
Referring to shown in Figure 3, suppose in 4 people's video conference (user can set the demonstration number of display unit as required in the practical application), get access to video window and count N=4; Wherein, 1., 2., 3., 4. be respectively the numbering of 4 video windows, the screen lateral resolution of at first obtaining display unit is X, and longitudinal frame is Y; Need to prove that the user can carry out freely being provided with to the resolution of display unit.
Suppose that display unit need reserve the width of p on the both sides of viewing area, then the horizontal display resolution of viewing area is X-2p, and the width of establishing two benchmark window video windows is x, then
X-2p＝2x(1+cosα)
Can be through above-mentioned formula in the hope of x; Because the ratio of growing tall of video window is generally 4: 3,16: 9 specification; Choose 4: 3 the example that is below; Then can calculate the video window height is 3x/4, after obtaining the length of video window, height and splicing angle, can calculate the indication range of each video window according to these data.
Then video display area is distributed display resolution according to the indication range of each video window; Preferably, adopt the golden section principle to distribute, the central point of benchmark window is arranged on the center line of display unit; Be the ordinate of central point of video window on the gold point cut-point of the screen ordinate of whole display unit (from screen the height of below be 0.618Y); Coordinate with the lower left corner of screen is (0,0), according to the benchmark position of window that sets; Can confirm the coordinate indication range of each video window of video display area, thereby obtain the display layout of all video windows.
Need to prove that as shown in Figure 4 when N is odd number, the benchmark window level is presented at the centre of viewing area; When N was even number, two benchmark windows both can level splice, also can be as shown in Figure 5, splice with certain angle.
For the setting of the video window on benchmark window both sides splicing angle [alpha], be that the video window that needs to show is many more in principle, then α is more little, and it is big more to tilt, and the beholder can feel to apart near more.For example, in the video conference that 4 people carry out, the splicing angle is that 5 degree are comparatively suitable.
Suppose that the beholder stands in the center of round table, the video window that the front is watched is parallelly just to put, and also is from oneself farthest; Need side from own near video window then and watch, the window of watching can present certain gradient that dips down, and gradient is big more more closely more.Be presented on the screen of 2D, the beholder just has far and near sensation, and the video window of watching presents a round table and shows.
Above-mentioned display mode is the situation of the location definition with the beholder when being the round table center, if when beholder's location definition is an end of round table, then the display mode of video window is as shown in Figure 6, video window be arranged as acclivitous mode.
In addition; In the process of using of the present invention; The indicating template that can in advance the different N value be generated stores, and when needs are adjusted, detects the quantity of the video window that needs demonstration; The indicating template that carries out when extracting respective numbers then is sent to correspondence position respectively with video and shows.
Further, display background sets off ground spherical arc shape figure in the screen bottom of display unit, and as shown in Figure 7, the arc of this ground spherical arc shape figure and video window sets off each other, and spatial impression can be stronger.
Below in conjunction with accompanying drawing and embodiment the system of display video window in the video conference of the present invention is described in detail.
Referring to shown in Figure 8, the system of display video window in the video conference of the present invention comprises: window number acquiring unit, indicating template generation unit and display unit;
Its operation principle is: the window number acquiring unit is used for obtaining the video window that video conference opens and counts N; The indicating template generation unit is used for the indicating template according to said each video window of N value generation; Display unit is used for said video window is shown on display unit according to said indicating template.
Referring to shown in Figure 9, shown in this figure the structural representation of an embodiment of the system of display video window in the video conference.
For the indicating template generation unit, can specifically comprise: the benchmark window is provided with module, display layout is provided with module and indicating template generation module;
Its operation principle is: the benchmark window is provided with module, is used for setting the benchmark window according to said N value; Display layout is provided with module, is used for being provided with according to said benchmark window and said N value the display layout of said video window; The indicating template generation module is used for the indicating template according to said display layout each video window of generation.
Module is set in the process that the benchmark window is set for the benchmark window, further, is used to judge whether N is odd number, if, (N+1)/2 video window is made as the benchmark window, if not, N/2 and N/2+1 video window are made as the benchmark window.
For said display layout module is set, can specifically comprises: resolution acquisition module, visual angle are provided with module and distribution module;
Its operation principle is: the resolution acquisition module is used to obtain the display resolution of viewing area; The visual angle is provided with module, is used for according to the splicing angle between said benchmark window, preset each video window of said N value; Distribution module is used for the display resolution according to said splicing angle calculation and allocated display area.
System for display video window in the video conference of the present invention can also comprise: the background display unit is used in the screen bottom of display unit display background and sets off ground spherical arc shape figure.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (10)
1. the method for display video window in the video conference is characterized in that, may further comprise the steps:
Obtain the video window of opening in the video conference and count N;
Generate the indicating template of each video window according to said N value;
Said video window is shown on display unit according to said indicating template.
2. the method for display video window is characterized in that in the video conference according to claim 1, and said indicating template according to said each video window of N value generation comprises:
Set the benchmark window according to said N value;
The display layout of said video window is set according to said benchmark window and said N value;
Generate the indicating template of each video window according to said display layout.
3. the method for display video window is characterized in that in the video conference according to claim 2, saidly sets the benchmark window according to said N value and comprises:
Judge whether N is odd number, if, (N+1)/2 video window is made as the benchmark window, if not, N/2 and N/2+1 video window are made as the benchmark window.
4. the method for display video window is characterized in that in the video conference according to claim 2, and the display layout that said benchmark window of said foundation and said N value are provided with said video window comprises:
Obtain the display resolution of viewing area, according to the splicing angle between said benchmark window, preset each video window of said N value, according to the display resolution of said splicing angle calculation and allocated display area.
5. the method for display video window is characterized in that in the video conference according to claim 1, also comprises: display background sets off ground spherical arc shape figure in the screen bottom of display unit.
6. the system of display video window in the video conference is characterized in that, comprising:
The window number acquiring unit is used for obtaining the video window that video conference opens and counts N;
The indicating template generation unit is used for the indicating template according to said each video window of N value generation;
Display unit is used for said video window is shown on display unit according to said indicating template.
7. the system of display video window is characterized in that in the video conference according to claim 6, and said indicating template generation unit comprises:
The benchmark window is provided with module, is used for setting the benchmark window according to said N value;
Display layout is provided with module, is used for being provided with according to said benchmark window and said N value the display layout of said video window;
The indicating template generation module is used for the indicating template according to said display layout each video window of generation.
8. the system of display video window in the video conference according to claim 7; It is characterized in that; Said benchmark window is provided with module and is further used for judging whether N is odd number, if (N+1)/2 video window is made as the benchmark window; If not, N/2 and N/2+1 video window are made as the benchmark window.
9. the system of display video window is characterized in that in the video conference according to claim 6, and said display layout is provided with module and comprises:
The resolution acquisition module is used to obtain the display resolution of viewing area;
The visual angle is provided with module, is used for according to the splicing angle between said benchmark window, preset each video window of said N value;
Distribution module is used for the display resolution according to said splicing angle calculation and allocated display area.
10. the method for display video window is characterized in that in the video conference according to claim 6, also comprises:
The background display unit is used in the screen bottom of display unit display background and sets off ground spherical arc shape figure.
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| CN201110422566XA CN102420968A (en) | 2011-12-15 | 2011-12-15 | Method and system for displaying video windows in video conference |
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| CN201110422566XA CN102420968A (en) | 2011-12-15 | 2011-12-15 | Method and system for displaying video windows in video conference |
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| CN107333062A (en) * | 2017-07-05 | 2017-11-07 | 浙江华创视讯科技有限公司 | A kind of method, system and device of Computer Vision |
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Application publication date: 20120418 |