WO2012171459A1 - 一种mcu多画面优化配置的方法及装置 - Google Patents
一种mcu多画面优化配置的方法及装置 Download PDFInfo
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- WO2012171459A1 WO2012171459A1 PCT/CN2012/076842 CN2012076842W WO2012171459A1 WO 2012171459 A1 WO2012171459 A1 WO 2012171459A1 CN 2012076842 W CN2012076842 W CN 2012076842W WO 2012171459 A1 WO2012171459 A1 WO 2012171459A1
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- Prior art keywords
- display screen
- screen
- mcu
- presented
- picture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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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
- H04N5/2624—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 for obtaining an image which is composed of whole input images, e.g. splitscreen
Definitions
- the present invention relates to the field of communication network technologies, and in particular, to a method and an apparatus for optimal configuration of an MCU multi-picture.
- the current video conference supports multi-screen conferences, and the situation of each conference terminal participating in the conference can be truly presented on the television output by the conference terminal.
- the multi-picture mode presented at each conference terminal after the conference is pre-set.
- the MCU Mul t ipoint Control Uni t
- the MCU will receive the images of the conference terminals. Decoding and filtering, and then selecting the most suitable multi-picture mode according to the number of conference terminals. For example, the preset multi-picture mode includes 2 pictures, 4 pictures, etc. When there are 3 conference terminals joining, the system selects 4 pictures. After the mode is displayed and the format of the image is scaled according to the size of the sub-picture, the corresponding sub-picture is filled in, and finally the multi-picture image adjusted by the MCU is encoded and sent to each conference terminal participating in the conference.
- Embodiments of the present invention provide a method and apparatus for MCU multi-picture optimization configuration, which can eliminate the phenomenon of a black screen of a sub-picture.
- a method for multi-screen optimization configuration of an MCU comprising:
- the area N is a natural number greater than or equal to 1;
- a device for multi-screen optimization configuration of an MCU comprising:
- a calculating unit configured to calculate, according to a resolution, a bandwidth, a frame rate, an importance degree, and a volume level of the video image sent by the N conference terminals, an area in the screen presented by the MCU display screen, a natural number greater than or equal to 2;
- a filling unit configured to divide a picture presented by the MCU display screen into N areas according to an area in a picture that is displayed by the MCU display screen, and send the video sent by the N conference terminals The image is filled in a corresponding area of the picture presented by the MCU display screen.
- An embodiment of the present invention provides a method and apparatus for multi-screen optimization configuration of an MCU, which calculates an area in a picture displayed by an MCU display screen by calculating video images sent by N conference terminals, and occupies the MCU according to the respective video images.
- the area in the screen presented by the display screen divides the picture presented by the MCU display screen into N areas, and fills the video images sent by the N conference terminals in corresponding areas of the picture presented by the MCU display screen .
- FIG. 1 is a flowchart of a method for multi-screen optimization configuration of an MCU according to Embodiment 1 of the present invention
- FIG. 2 is a block diagram of an apparatus for optimizing multi-screen configuration of an MCU according to Embodiment 1 of the present invention
- 3 is a flowchart of a method for optimizing multi-screen configuration of an MCU according to Embodiment 2 of the present invention
- FIG. 4 is a flowchart of a method for filling a multi-screen according to Embodiment 2 of the present invention
- FIG. 6 is a block diagram of an apparatus for multi-screen optimization configuration of an MCU according to Embodiment 2 of the present invention
- FIG. 7 is a determining module according to Embodiment 2 of the present invention
- Block diagram of the device Block diagram of the device;
- FIG. 8 is a block diagram of an apparatus for filling a module according to Embodiment 2 of the present invention. detailed description
- a method for optimal configuration of an MCU multi-screen according to an embodiment of the present invention includes:
- Step 101 Calculate, according to a resolution, a bandwidth, a frame rate, an importance degree, and a volume level of the video image sent by the N conference terminals, an area of the video image that is displayed on the screen displayed by the MCU, where N is greater than Or a natural number equal to 2;
- the conference terminal of the transmitted video image may be a camera of the conference terminal or software having a transmission function of the conference terminal.
- Step 102 According to the area of the video image that is occupied by the MCU display screen, divide the screen presented by the MCU display screen into N areas, and fill the video images sent by the N conference terminals. In the corresponding area of the picture presented by the MCU display screen.
- the picture after the video image is filled in the corresponding area of the picture presented by the MCU display screen is a multi-picture. Dynamically splitting according to the number of conference terminals participating in the conference The MCU displays the screen presented on the screen, which eliminates the phenomenon of black screen.
- An embodiment of the MCU multi-screen optimization configuration provided by the embodiment of the present invention by calculating a video image sent by the N conference terminals to occupy an area in a screen presented by the MCU display screen, and the N The conference terminal is populated in a corresponding area of the picture presented by the MCU display screen.
- the multi-screen optimization configuration is performed, since the multi-picture mode is preset, the sub-screen black screen may occur.
- the solution provided by the embodiment of the present invention is dynamically generated.
- the multi-screen mode can eliminate the phenomenon of black screen of the sub-picture.
- the embodiment of the present invention provides an apparatus for optimal configuration of an MCU multi-screen.
- the device may be an MCU or a conference terminal integrated with an MCU multi-screen optimization configuration processing unit. As shown in FIG. 1, the device includes: 201, filling unit 202.
- the calculating unit 201 is configured to calculate, according to the resolution, the bandwidth, the frame rate, the importance level, and the volume of the video image sent by the N conference terminals, the area of each video image in the screen presented by the MCU display screen, N is a natural number greater than or equal to 2;
- the filling unit 202 is configured to divide the screen presented by the MCU display screen into N regions according to an area in the screen that is displayed by the MCU display screen, and send the N conference terminals.
- the video image is filled in a corresponding area of the picture presented by the MCU display screen.
- An apparatus for optimizing multi-screen configuration of an MCU calculates, by a computing unit, a video image sent by N conference terminals to occupy an area in a screen presented by an MCU display screen, filling a unit, and filling the N conference terminals In the corresponding area of the picture presented by the MCU display screen.
- the multi-screen optimization configuration is performed, since the multi-picture mode is preset, the sub-screen black screen may occur.
- the solution provided by the embodiment of the present invention is dynamically generated.
- the multi-screen mode can eliminate the phenomenon of black screen of the sub-picture.
- An embodiment of the present invention provides a method for optimal configuration of an MCU multi-screen. As shown in FIG. 3, the method includes:
- Step 301 Receive video images sent by the N conference terminals, obtain resolution, bandwidth, frame rate, importance, and volume of the video images, where N is a natural number greater than or equal to 2; and receive N conference terminals to send The video code stream, where the conference terminal that transmits the video image may be a camera of the conference terminal or a software having a transmission function of the conference terminal. Then the MCU says The video code stream is decoded, the video image is obtained, and the resolution, bandwidth, frame rate, importance level, and volume level of the respective video images are acquired by the MCU.
- Step 302 Acquire, according to resolution, bandwidth, frame rate, importance level, and volume of each video image, an area of each video image occupying a screen presented by the MCU display screen;
- the picture displayed by the MCU display screen is a complete picture.
- the video image sent by one conference terminal is filled into the picture presented by the MCU display screen according to the method provided by the embodiment of the present invention, Multiple screens consisting of one or more sub-pictures.
- each video image occupies an area in a picture presented by the MCU display screen
- S indicates that the video image sent by the first conference terminal occupies an area in the screen presented by the MCU display screen, and indicates the resolution of the video image sent by the first conference terminal
- B indicates that the first conference terminal sends The bandwidth of the video image, indicating the frame rate of the video image transmitted by the first conference terminal, indicating the importance of the video image transmitted by the first conference terminal, and 1 ⁇ 4 indicating the volume of the video image transmitted by the first conference terminal.
- L 2 , L 3 , L 4 , and L 5 are determined by the person participating in the conference according to the actual situation, and are carried in the video image and sent to the MCU.
- Step 303 Determine, according to the video image sent by the N conference terminals and the screen presented by the MCU display screen, a segmentation direction of a screen presented by the MCU display screen;
- the dividing direction of the screen presented by the MCU display screen is specifically: dividing in a horizontal direction of the screen presented by the MCU display screen and a vertical direction of the screen presented by the MCU display screen. Cut two ways.
- each video image calculated according to step 302 Determining an area in a picture presented by the MCU display screen, and determining that the transmitted video image occupies the largest conference area in the screen presented by the MCU display screen as the first conference terminal;
- the determining, in the dividing direction of the screen presented by the MCU display screen is
- the resolution of the picture presented by the MCU display screen is Ax E
- the resolution of the video image sent by the first conference terminal is Cx D
- the first ratio of the A/C is calculated, and the second ratio of the E/D is calculated, wherein the resolution of the picture is Ax E, and the resolution of the video image sent by the first conference terminal is Cx D;
- the first ratio is greater than the second ratio, it is determined that the dividing direction of the screen presented by the MCU display screen is divided by the vertical direction of the screen presented by the MCU display screen.
- Step 304 According to the area of the picture in which the respective video images occupy the MCU display screen, divide the picture presented by the MCU display screen into N areas according to the dividing direction of the picture presented by the MCU display screen, and Filling a video image sent by the N conference terminals in a corresponding area of a screen presented by the MCU display screen;
- the segmentation refers to a technique in which an algorithm is used to virtually divide a picture presented on a display screen of an MCU, so that two or more sub-pictures are presented in one picture.
- the present invention may be configured to dynamically divide the image presented by the MCU display screen by using any of the following methods, and the image of the MCU display screen is displayed in the following manner.
- the video images transmitted by the conference terminals are filled in corresponding areas of the screen presented by the MCU display screen.
- Method 1 As shown in Figure 4, including: Step 401, respectively calculating a ratio of 8 2 , S 3 ... S, and determining a number M of conference terminals that are less than or equal to a preset value in the ratio, where the M is a natural number;
- Si is the first image of the video conference terminal sending the picture screen presentation area accounted for in the MCU display video images S 2, S 3 ... S N for transmitting the conference terminal other than the first session terminal 5 ⁇
- the preset value may be 1.25.
- the preset value may be 1.25.
- Step 402 Determine whether the value of the M is equal to (N-1), where N is the number of conference terminals that send video images;
- Step 403 When the M is not equal to (N-1), according to the dividing direction of the screen presented by the MCU display screen, the video image sent according to the ⁇ and the M conference terminals occupies the MCU Displaying an area in a screen presented by the screen, and dividing the screen presented by the MCU display screen into (M+2) sub-pictures;
- a conference terminal, a B conference terminal, a C conference terminal, a D conference terminal, and an E conference terminal have five conference terminals, wherein the video image sent by the conference terminal accounts for the largest area of the screen displayed on the MCU display screen. Then, the A conference terminal is the first conference terminal, and after the calculation, it is determined that S A /S B is less than a preset value, then M is 1, and a conference terminal other than the first conference terminal is a B conference terminal.
- the first conference terminal it is the B conference terminal.
- the sub-picture cut sub-screen step 404, the video image sent by the first conference terminal and the video image sent by the M conference terminals are filled in corresponding sub-pictures in the picture presented by the MCU display screen. .
- the video image sent by the first conference terminal is filled in a sub-screen divided for the first conference terminal, and the video image sent by the B conference terminal is padded in the segmentation for the B conference terminal. Subscreen.
- the MCU multi-screen optimization configuration method of the conference terminals fills in the remaining screens of the MCU display screen presentation, specifically, determines the area of the new screen presented by the unfilled MCU display screen, and determines that the first conference terminal and The video images sent by the other conference terminals other than the M conference terminals occupy an area in a new screen presented by the MCU display screen, and determine that the respective video images occupy the largest area in the new screen presented by the MCU display screen.
- the conference terminal further calculates a division direction of the new screen presented by the MCU display screen, and divides the new screen according to a division direction of the new screen presented by the MCU display screen, and performs filling.
- Step 405 When the M is equal to (N-1), according to the segmentation direction of the screen presented by the MCU display screen, the video image is sent according to the Si and the M conference terminals.
- the MCU displays an area in the screen presented by the screen, and divides the picture presented by the MCU display screen into (M+1) sub-pictures;
- a conference terminal, a B conference terminal, a C conference terminal, a D conference terminal, and an E conference terminal have five conference terminals, wherein the video image sent by the conference terminal accounts for the largest area of the screen displayed on the MCU display screen. Then, the A conference terminal is the first conference terminal. After the calculation, it is determined that the ratio of S A to S B is less than a preset value, and the ratio of S A to S e is less than a preset value, and the ratio of S A to S D is smaller than the pre-predetermined value.
- the four external conference terminals are a B conference terminal, a C conference terminal, a D conference terminal, and an E conference terminal, and then the video image transmitted by each conference terminal occupies the division direction of the screen in the screen presented by the MCU display screen.
- the screen presented by the MCU display screen is divided into (M+1) sub-pictures.
- Step 406 Fill the video image sent by the first conference terminal and the video image sent by the M conference terminals in corresponding sub-pictures in the picture presented by the MCU display screen.
- the N conference terminals are correspondingly filled in the screen.
- the second method includes:
- Step 501 The video image sent by the N conference terminals is occupied by an area of a picture presented by the MCU display screen, and the picture presented by the MCU display screen is divided equally according to a dividing direction of a picture presented by the MCU display screen. Into N regions;
- the screen presented by the MCU display screen is averaged according to the division direction of the screen presented by the MCU display screen. Split into 2 sub-pictures.
- Step 502 Fill the video images sent by the N conference terminals in the N areas. Since the size of the N areas divided by the step 501 is the same, the video image sent by each conference terminal may be any one of the screens presented by the MCU display screen, and the N conference terminals are all filled in the MCU. After displaying the screen presented by the screen, the screen presented on the display screen of the MCU is a multi-screen, and the MCU sends the filled multi-screen to the conference terminals, and the televisions output by the conference terminals are not A black screen will appear.
- the multi-picture mode is automatically adjusted according to the number of conference terminals, and the number of the video images that need to be displayed in the multi-screen is reduced or increased due to a state change of the conference terminal.
- the number of sub-pictures in the multi-picture is adjusted, the user is presented with a better and better display effect.
- the solution provided by the embodiment of the present invention automatically adapts the filling mode of the multi-screen according to the situation of the conference terminal, and the conference terminal situation includes but is not limited to the conference terminal: quantity, resolution Rate, bandwidth, frame rate, importance, volume, etc.
- the filling mode of the multi-screen may be automatically adapted according to one of the cases of the respective conference terminals.
- the multi-picture mode can be automatically adapted to the frame rate, and the sub-picture frame with a large video image frame rate transmitted by the conference terminal is large, and the sub-picture frame with a small frame rate is small.
- the frame rate of the video image sent by the conference terminal is 60 frames per second
- /l *R ( R>0 ) which is calculated to divide the picture presented by the MCU display screen into W regions, where W is the sum of the denominator and the numerator indicating the score of the ratio, and the R is the adjustment Coefficient
- the R is 1.
- the picture is divided into four areas, wherein the video image sent by the A conference terminal occupies three areas, and the video image sent by the B conference terminal occupies one area.
- the method for optimizing the configuration of the multi-screen of the MCU provided by the embodiment of the present invention can automatically divide the picture presented by the MCU display screen according to the video image sent by each conference terminal, automatically adjust the filling mode of the multi-picture, and perform the MCU with the prior art.
- the multi-picture optimization configuration since the multi-picture mode is preset, a black screen of the sub-picture may occur, and the sub-picture layout in the multi-picture is fixed, resulting in an unclear picture presented on the television outputted by the conference terminal.
- the scheme provided by the embodiment of the present invention can eliminate the phenomenon of black screen of the sub-picture and clear the picture presented on the television outputted by the conference terminal by adopting a method of dynamically generating multiple pictures.
- the embodiment of the present invention provides an apparatus for optimal configuration of an MCU multi-screen.
- the device may be an MCU or a conference terminal integrated with an MCU multi-screen optimization configuration processing unit. As shown in FIG. 6, the device includes: 601. The filling unit 602, the determining module 603, and the filling module 604.
- the calculating unit 601 is configured to calculate, according to the resolution, the bandwidth, the frame rate, the importance level, and the volume level of the video images sent by the N conference terminals, the area of the video image in the screen presented by the MCU display screen;
- the calculating unit 601 first obtains a resolution, a bandwidth, a frame rate, an importance degree, and a volume level of the video images according to the video images sent by the N conference terminals, and then obtains the respective video images according to the obtained video images. Resolution, bandwidth, frame rate, importance and volume, The area of each video image in the picture presented by the MCU display screen is calculated.
- S I denotes a video image of the conference terminal transmits an area accounting for the MCU display screen of the picture presented, represents the resolution of a video image transmitted from the terminal I conference
- B represents the I-th conference terminal transmits
- the bandwidth of the video image indicates the frame rate of the video image transmitted by the first conference terminal, indicating the importance of the video image transmitted by the first conference terminal
- Vi indicates the volume of the video image transmitted by the first conference terminal.
- a filling unit 602 configured to divide a screen presented by the MCU display screen into N regions according to an area in a picture that is displayed by the MCU display screen, and send the N conference terminals The video image is filled in a corresponding area of the picture presented by the MCU display screen;
- the determining module 603 in the filling unit 602 is configured to determine, according to the video image sent by the N conference terminals and the screen presented by the MCU display screen, a segmentation direction of a screen presented by the MCU display screen. ;
- the determining module 603 includes: a first determining submodule 701, a calculating submodule 702, a determining submodule 703, and a second determining submodule. 704.
- the first determining sub-module 701 is configured to determine that the transmitted video image occupies the conference terminal having the largest area in the screen presented by the MCU display screen as the first conference terminal;
- a calculation sub-module 702 configured to calculate a first ratio of the A/C, and calculate a second ratio of the E/D, where the resolution of the picture is AXE, and the resolution of the video image sent by the first conference terminal for Cx D;
- the determining sub-module 703 determines whether the first ratio is smaller than the second ratio; when the first ratio is smaller than the second ratio, the second determining sub-module 704 determines the
- the dividing direction of the screen presented by the MCU display screen is divided in the horizontal direction of the screen presented by the MCU display screen;
- the second determining sub-module 704 is further configured to: determine that a split direction of a screen presented by the MCU display screen is displayed by the MCU Dividing a vertical direction of the presented picture; when the first ratio is equal to the second ratio and A is less than E, the second determining sub-module 704 is further configured to determine a dividing direction of a picture presented by the MCU display screen The second determining sub-module 704 is further configured to determine a screen that is displayed by the MCU display screen, when the first ratio is greater than the second ratio. The dividing direction is divided in the vertical direction of the screen presented by the MCU display screen.
- a filling module 604 configured to divide, according to the area of the picture presented by the MCU display screen, the image of the MCU display screen according to the dividing direction of the picture presented by the MCU display screen, and The video images sent by the N conference terminals are filled in corresponding areas of the picture presented by the MCU display screen.
- the filling module 604 includes: a calculation determining sub-module 801, a first dividing sub-module 802, a first filling sub-module 803, a second dividing sub-module 804, and a second filling sub-module 805.
- the calculation determining module 801 is configured to separately calculate the ratio of 8 1 to S 2 , S 3 ... S, and determine the number of conference terminals in the ratio that are less than or equal to the preset value.
- M M is a natural number
- the preset value is determined according to the actual experience of the staff member, for example, the preset value may be 1.25.
- a first dividing sub-module 802 configured to display, according to the MCU, when the M is not equal to (N-1) Depicting a dividing direction of the screen presented by the screen, and dividing the screen presented by the MCU display screen into an area in the screen that is presented by the MCU display screen in the video image sent by the M meeting terminals (M+2) sub-pictures;
- a first padding sub-module 803, configured to fill a video image sent by the first conference terminal and a video image sent by the M conference terminals in a corresponding sub-picture in a picture presented by the MCU display screen;
- the video images transmitted by the remaining [N_(M+1)] conference terminals are performed according to the (M+1).
- the MCU multi-screen optimization configuration method of the conference terminals fills in the remaining screens presented by the MCU display screen.
- the first segmentation sub-module 802 is further configured to: according to the segmentation direction of the screen presented by the MCU display screen, according to the location sent by the M conference terminals The area of the video image that is displayed on the display screen of the MCU, and the screen presented by the MCU display screen is divided into (M+1) sub-pictures;
- the first padding sub-module 803 is further configured to fill the first conference terminal and the M conference terminals in corresponding sub-pictures in the picture presented by the MCU display screen.
- the filling module 604 includes:
- a second segmentation sub-module 804 configured to display the MCU display screen according to a segmentation direction of a screen presented by the MCU display screen according to an area of a video image sent by the N conference terminals in an image presented by the MCU display screen The picture is divided into N areas on average;
- the second padding sub-module 805 is configured to fill the video images sent by the N conference terminals in the N areas.
- the MCU After the N conference terminals are filled in the screen presented by the MCU display screen, the MCU sends the filled multi-picture to the conference terminals, and the TVs output by the conference terminals are A multi-screen with no black screen is presented.
- An apparatus for optimizing multi-screen configuration of an MCU after analyzing and calculating a video image sent by N conference terminals, segmenting an image displayed by the MCU display screen and The video image is filled with a picture presented by the MCU display screen.
- the multi-picture optimization configuration is performed in the prior art, since the multi-picture mode is preset, a black screen of the sub-picture may occur, and the sub-picture layout in the multi-picture is fixed, resulting in the TV output on the conference terminal.
- the presented picture is not clear.
- the solution provided by the embodiment of the present invention can eliminate the phenomenon of black screen of the sub-picture and clear the picture presented on the TV outputted by the conference terminal by adopting the method of dynamically generating the multi-picture.
Abstract
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Priority Applications (4)
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AU2012269508A AU2012269508B2 (en) | 2011-06-13 | 2012-06-13 | Method and device for MCU multi-picture optimized configuration |
CA2823559A CA2823559C (en) | 2011-06-13 | 2012-06-13 | Method and apparatus for mcu to optimize configuration of multiple pictures |
EP20120800747 EP2677744A4 (en) | 2011-06-13 | 2012-06-13 | METHOD AND DEVICE FOR OPTIMIZED CONFIGURATION OF A PLURALITY OF IMAGES OF A MCU |
US13/975,862 US8736656B2 (en) | 2011-06-13 | 2013-08-26 | Method and apparatus for MCU to optimize configuration of multiple pictures |
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CN201110157719.2A CN102833518B (zh) | 2011-06-13 | 2011-06-13 | 一种mcu多画面优化配置的方法及装置 |
CN201110157719.2 | 2011-06-13 |
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US13/975,862 Continuation US8736656B2 (en) | 2011-06-13 | 2013-08-26 | Method and apparatus for MCU to optimize configuration of multiple pictures |
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EP (1) | EP2677744A4 (zh) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112272270A (zh) * | 2020-09-28 | 2021-01-26 | 北海天下为星科技有限公司 | 一种视频数据处理方法 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104683729A (zh) * | 2013-11-27 | 2015-06-03 | 华为技术有限公司 | 视频布局下发的方法及装置 |
CN105323532B (zh) * | 2014-06-30 | 2019-10-15 | 中兴通讯股份有限公司 | 一种移动终端图像的自适应显示方法和装置 |
CN104240670B (zh) * | 2014-10-10 | 2016-04-06 | 天津三星电子有限公司 | 一种显示参数调整的方法及显示器 |
CN106210599B (zh) * | 2015-04-30 | 2021-02-12 | 中兴通讯股份有限公司 | 一种多画面调整方法、装置及多点控制单元 |
CN105451022A (zh) * | 2015-11-17 | 2016-03-30 | 深圳联友科技有限公司 | 一种将多路视频流压缩成一路视频流的方法及系统 |
CN106561044B (zh) * | 2016-12-09 | 2020-06-16 | 武汉斗鱼网络科技有限公司 | 一种安卓系统上竖屏视频黑边的处理方法及系统 |
US9819877B1 (en) | 2016-12-30 | 2017-11-14 | Microsoft Technology Licensing, Llc | Graphical transitions of displayed content based on a change of state in a teleconference session |
CN107040750A (zh) * | 2017-03-23 | 2017-08-11 | 中国南方电网有限责任公司 | 一种实现2+n的大型视频会议分屏系统和方法 |
CN107333062A (zh) * | 2017-07-05 | 2017-11-07 | 浙江华创视讯科技有限公司 | 一种视频图像处理的方法、系统及装置 |
US11184415B2 (en) | 2018-05-07 | 2021-11-23 | Apple Inc. | Media feed prioritization for multi-party conferencing |
CN110536097A (zh) * | 2018-05-25 | 2019-12-03 | 中兴通讯股份有限公司 | 一种视频控制方法、视频会议终端和多点控制单元mcu |
CN110996037A (zh) * | 2019-11-14 | 2020-04-10 | 苏州中车建设工程有限公司 | 一种多点视频会议画面显示系统及其控制方法 |
CN110933359B (zh) * | 2020-01-02 | 2021-07-02 | 随锐科技集团股份有限公司 | 一种视频会议智能布局方法、装置及计算机可读存储介质 |
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CN113194276B (zh) * | 2021-03-12 | 2023-07-28 | 广州朗国电子科技股份有限公司 | 在视频会议系统中生成动态布局的方法、系统、存储介质 |
CN113727149B (zh) * | 2021-08-31 | 2023-06-30 | 京东方科技集团股份有限公司 | 显示控制方法和装置、视频处理装置、显示系统 |
CN113905204B (zh) * | 2021-09-07 | 2023-02-14 | 深圳壹秘科技有限公司 | 图像显示方法、装置、设备及存储介质 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6124881A (en) * | 1997-04-25 | 2000-09-26 | Fujitsu Limited | System for generating composed signals of multiple pictures for use in a video conference system |
US6211902B1 (en) * | 1997-11-28 | 2001-04-03 | Nec Corporation | Video conference control apparatus, video conference control method, and video conference control system |
CN1422079A (zh) * | 2002-12-27 | 2003-06-04 | 北京鼎视通软件技术有限公司 | 一种多画面输出方法及系统 |
CN101286314A (zh) * | 2008-05-26 | 2008-10-15 | 杭州华三通信技术有限公司 | 一种多画面拼接方法和装置 |
CN101707714A (zh) * | 2009-11-18 | 2010-05-12 | 深圳华为通信技术有限公司 | 多画面视频会议的图像处理方法和设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005607A (en) * | 1995-06-29 | 1999-12-21 | Matsushita Electric Industrial Co., Ltd. | Stereoscopic computer graphics image generating apparatus and stereoscopic TV apparatus |
US7554571B1 (en) * | 2005-03-18 | 2009-06-30 | Avaya Inc. | Dynamic layout of participants in a multi-party video conference |
DE102005023652B3 (de) * | 2005-05-23 | 2006-08-03 | Semikron Elektronik Gmbh & Co. Kg | Schaltungsanordnung mit Fehlererkennung zur Ansteuerung von Leistungshalbleiterschaltern und zugehöriges Verfahren |
WO2007063922A1 (ja) * | 2005-11-29 | 2007-06-07 | Kyocera Corporation | 通信端末および通信システム、並びに通信端末の表示方法 |
US8259624B2 (en) * | 2006-10-27 | 2012-09-04 | Cisco Technology, Inc. | Dynamic picture layout for video conferencing based on properties derived from received conferencing signals |
-
2011
- 2011-06-13 CN CN201110157719.2A patent/CN102833518B/zh active Active
-
2012
- 2012-06-13 EP EP20120800747 patent/EP2677744A4/en not_active Withdrawn
- 2012-06-13 WO PCT/CN2012/076842 patent/WO2012171459A1/zh active Application Filing
- 2012-06-13 CA CA2823559A patent/CA2823559C/en active Active
- 2012-06-13 AU AU2012269508A patent/AU2012269508B2/en active Active
-
2013
- 2013-08-26 US US13/975,862 patent/US8736656B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6124881A (en) * | 1997-04-25 | 2000-09-26 | Fujitsu Limited | System for generating composed signals of multiple pictures for use in a video conference system |
US6211902B1 (en) * | 1997-11-28 | 2001-04-03 | Nec Corporation | Video conference control apparatus, video conference control method, and video conference control system |
CN1422079A (zh) * | 2002-12-27 | 2003-06-04 | 北京鼎视通软件技术有限公司 | 一种多画面输出方法及系统 |
CN101286314A (zh) * | 2008-05-26 | 2008-10-15 | 杭州华三通信技术有限公司 | 一种多画面拼接方法和装置 |
CN101707714A (zh) * | 2009-11-18 | 2010-05-12 | 深圳华为通信技术有限公司 | 多画面视频会议的图像处理方法和设备 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112272270A (zh) * | 2020-09-28 | 2021-01-26 | 北海天下为星科技有限公司 | 一种视频数据处理方法 |
CN112272270B (zh) * | 2020-09-28 | 2022-03-01 | 北海天下为星科技有限公司 | 一种视频数据处理方法 |
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CN102833518A (zh) | 2012-12-19 |
EP2677744A1 (en) | 2013-12-25 |
US8736656B2 (en) | 2014-05-27 |
US20130342634A1 (en) | 2013-12-26 |
CN102833518B (zh) | 2015-07-08 |
CA2823559C (en) | 2014-09-30 |
CA2823559A1 (en) | 2012-12-20 |
AU2012269508B2 (en) | 2015-10-15 |
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