CN101783946A - Video decoding method, video decoder and video monitoring system - Google Patents
Video decoding method, video decoder and video monitoring system Download PDFInfo
- Publication number
- CN101783946A CN101783946A CN 201010104771 CN201010104771A CN101783946A CN 101783946 A CN101783946 A CN 101783946A CN 201010104771 CN201010104771 CN 201010104771 CN 201010104771 A CN201010104771 A CN 201010104771A CN 101783946 A CN101783946 A CN 101783946A
- Authority
- CN
- China
- Prior art keywords
- video
- image
- flowing
- video flowing
- clear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Closed-Circuit Television Systems (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a video decoding method, a video decoder and a video monitoring system. The video decoding method comprises the following steps: judging the type and the quantity of received video streams; identifying each path of the video streams when the received video streams are a plurality of paths of standard definition video streams; decoding each path of the video streams in a parallel way; and combining the plurality of paths of decoded standard definition video images into a path of high definition video image for outputting. By using the video decoding method of the invention, one decoder can process the plurality of paths of the standard definition video streams at the same time and combine the plurality of paths of the standard definition video images into a path of the high definition video image for outputting; and high definition display equipment is sufficiently used for improving the definition of displayed video images and a video display effect on the premise of avoiding image distortion to the greatest extent.
Description
Technical field
The present invention relates to technical field of video monitoring, specifically, relate to video encoding/decoding method, Video Decoder and video monitoring system.
Background technology
Video monitoring system is the important component part that is widely used in the safety and protection system of all trades and professions, also is the important component part of intelligent transportation system.The video monitoring system of powerful a, function admirable, not only on-site supervision and taking of evidence effectively, but also can help the customer analysis incident by the video analysis technology.Video monitoring system has generally comprised video camera, video encoder, Video Decoder and display device.Wherein, the video image of camera acquisition carries out compressed encoding through video encoder, transfers to Video Decoder then; Video Decoder carries out decoding processing to the video flowing that receives, and output video image to display device shows then.In the existing video monitoring system, what video encoder transmitted mostly is the SD video flowing, the only corresponding video encoder of Video Decoder, and therefore, every display device synchronization can only show the clear video image of a road sign.So, there are how many platform video cameras just to need what Video Decoders and display device, cause that video monitoring system is huger, equipment is more, cost is higher, difficult in maintenance.
At present, the display device that is used for display video image develops to the high-definition liquid crystal display from the CRT monitor.The high-definition liquid crystal display is supported the image of 1080 lines, and displaying ratio is 16: 9, and shown image has higher definition, and picture quality is better.Because existing Video Decoder can only be handled the clear video flowing of a road sign, when display device is the high-definition liquid crystal display, Video Decoder exports decoded SD video flowing to the high-definition liquid crystal display and shows and have dual mode: first kind of mode, if will keep 4: 3 wide high proportion of SD constant, the both sides of display can stay the clear area.So not only wasted display screen, and the clear area for a long time need not, performance will descend with, thereby influence the whole consistency of display screen, reduce display screen useful life.The second way is amplified to 16: 9 displaying ratio with the SD video flowing, all over the screen being presented in the high-clear display.So, though can utilize entire display screen fully, the ratio of display frame changes, and produces distortion, and visual effect is relatively poor.
Summary of the invention
First purpose of the present invention provides a kind of video encoding/decoding method, can only decode and exports and the above-mentioned shortcoming and defect that exists the clear video flowing of a road sign to solve Video Decoder in the prior art.
Second purpose of the present invention provides a kind of Video Decoder, and this Video Decoder can be handled multichannel SD video flowing simultaneously, and decoded multichannel SD video image is combined as the output of one road high clear video image.
The 3rd purpose of the present invention provides a kind of video monitoring system, a Video Decoder in this supervisory control system can and a plurality of video encoder between the path that establishes a communications link, receive one or more video flowing, and show by the high definition display device after multichannel SD video flowing can being merged into one road high clear video image from video encoder.
For realizing above-mentioned first purpose, the invention provides a kind of video encoding/decoding method, comprise the steps:
Judge the type and the quantity of the video flowing that receives;
When the video flowing that receives is multichannel SD video flowing, every road video flowing is identified;
With parallel mode every road video flowing is decoded then;
Again decoded multichannel SD video image is combined as the output of one road high clear video image.
According to video encoding/decoding method of the present invention, when decoded multichannel SD video image is combined as one road high clear video image, determine the video image layout of output according to the quantity of video flowing, according to the image layout of determining the clear video image of decoded every road sign is carried out convergent-divergent and splicing then, form one road high clear video image.
According to video encoding/decoding method of the present invention, show multichannel SD video image for ease of layout on the high definition display device, and guarantee that image is undistorted, described multichannel SD video flowing is preferably the clear video flowing of 2 road signs, the clear video flowing of 4 road signs or the clear video flowing of 6 road signs.
According to video encoding/decoding method of the present invention, when the video flowing that receives is the clear video flowing of a road sign, directly this SD video flowing is decoded, then the SD video image behind the output decoder or decoded SD video image amplified back output high clear video image; When the video flowing that receives is one road high definition video steaming, directly this high definition video steaming is decoded, then the high clear video image behind the output decoder.
For realizing above-mentioned second purpose, the invention provides a kind of Video Decoder, comprising:
The video flowing receiving element is used to receive one or more video flowing from video encoder;
Decoding unit is used for the video flowing that receives is decoded;
Main control unit is used to be provided with communicating to connect path, judging the type and the quantity of the video flowing that described video flowing receiving element receives of Video Decoder, and determines the video image layout of output according to the video flowing quantity that is received;
The multi-channel video stream processing unit is used for the multichannel SD video flowing that described video flowing receiving element receives is identified, and exports this multichannel SD video flowing to described decoding unit with parallel mode;
Video output unit is according to output high clear video image of the video image after the described decoding unit decodes or SD video image.
According to Video Decoder of the present invention, when the video flowing of described video flowing receiving element reception is multichannel SD video flowing, the every road sign clear video image of the output video image layout that described video output unit is determined according to described main control unit after to described decoding unit decodes carries out convergent-divergent and splicing, forms the output of one road high clear video image.
According to Video Decoder of the present invention, when the video flowing of described video reception unit reception is the clear video flowing of a road sign, described decoding unit is decoded to the clear video flowing of this road sign, the SD video image behind the direct output decoder of described video output unit or decoded SD video image amplified back output high clear video image.
For realizing above-mentioned the 3rd purpose, the invention provides a kind of video monitoring system, comprise video camera, video encoder, Video Decoder and display device; Described display device is the high definition display device; Establish between described Video Decoder and a plurality of video encoder and communicate to connect path, receive one or more video flowing from video encoder; Described Video Decoder comprises:
The video flowing receiving element is used to receive one or more video flowing from video encoder;
Decoding unit is used for the video flowing that receives is decoded;
Main control unit is used to be provided with communicating to connect path, judging the type and the quantity of the video flowing that described video flowing receiving element receives of Video Decoder, and determines the video image layout of output according to the video flowing quantity that is received;
The multi-channel video stream processing unit is used for the multichannel SD video flowing that described video flowing receiving element receives is identified, and exports this multichannel SD video flowing to described decoding unit with parallel mode;
Video output unit is according to output high clear video image of the video image after the described decoding unit decodes or SD video image.
According to video monitoring system of the present invention, the path of setting up between described Video Decoder and a plurality of video encoder that communicates to connect is a computer network.
Compared with prior art, advantage of the present invention and good effect are: Video Decoder and the video monitoring system of utilizing video encoding/decoding method of the present invention, can realize the corresponding a plurality of video encoders of a Video Decoder, realize the decoding of Video Decoder to multichannel SD video flowing, and decoded multichannel SD video image is combined into one road high clear video image output, improved the definition and the video display effect of video image displayed; Video encoding/decoding method of the present invention provides a kind of display control processing method of video image simply and easily for the video monitoring system of using SD image and high-definition image, for traditional analog video monitoring provides a kind of transition processing method of using existing equipment to the transition of high-definition digital video monitoring.
Description of drawings
Fig. 1 is the flow chart of an embodiment of video encoding/decoding method of the present invention;
Fig. 2 is the composition structured flowchart of an embodiment of Video Decoder of the present invention;
Fig. 3 is the system construction drawing of an embodiment of video monitoring system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in further detail.
The display device that the present invention is directed in the existing video monitoring system develops and existing Video Decoder can only be decoded to the clear video flowing of a road sign to high definition display device direction, the deficiency that shows the high-definition image after the clear image of a clear image of a road sign or a road sign amplifies and exist in the high definition display device provides a kind of multichannel SD video flowing is decoded simultaneously and is combined as the video encoding/decoding method of one road high clear video image output.Utilize this video encoding/decoding method, make that a Video Decoder can corresponding a plurality of video encoders, utilize a high definition display device can show the multi-channel video image simultaneously, promptly improved the utilance of display device, guarantee that again the video image distortion factor is less, and be convenient to operating personnel and utilize a display device to monitor a plurality of video scenes simultaneously.
From the image resolution ratio angle, the resolution of SD image is 720*576, the resolution of high-definition image is 1920*1080, and the resolution of high definition display device also is 1920*1080, therefore, under the situation that does not influence image integrity, by the SD image is carried out convergent-divergent, a high definition display device can show 1-6 SD image simultaneously.For guaranteeing the integrality and the aesthetic property of display frame, reduce the distortion factor of image as far as possible, a high definition display device preferably shows the clear video image of 2 tunnel, 4 road or 6 road signs.
Fig. 1 shows the flow chart of an embodiment of video encoding/decoding method of the present invention.
As shown in the figure, the idiographic flow of this embodiment video encoding/decoding method is as follows:
S101: flow process begins.
S102: by communicating to connect path receiver, video stream.
S103: type and the quantity of judging video flowing.The type of video flowing comprises two kinds of high definition video steaming and SD video flowings, and the quantity of video flowing may be the 1-6 road.
S104: judge whether the video flowing that receives is multichannel SD video flowing; If, execution in step S105; Otherwise go to step S108.
S105: when the video flowing that receives is multichannel SD video flowing, every road video flowing is identified,, be convenient on display device, show simultaneously according to layout to distinguish different video flowings.
S106:, walk abreast the SD video flowing after every line is decoded to move the mode of a plurality of decoded instance.
S107: decoded multichannel SD video image is combined as the output of one road high clear video image.Can adopt following method that the SD video image is made up, form one road high clear video image: the video image layout of at first determining output according to the quantity of the video flowing that receives, according to the image layout of determining the clear video image of decoded every road sign is carried out convergent-divergent and splicing then, form one road high clear video image.
If the SD video image is 2 the tunnel, then adopt the image layout mode of left and right sides structure, be 960*720 with the clear image zoom of every road sign, displaying ratio still is 4: 3.Get the frame image data in the clear image of every road sign then, be combined into a complete video image according to the image layout of left and right sides structure, its resolution is 1920*720, as the clear video image output of a panel height.When exporting resolution to and be on the high definition display device of 1920*1080, just respectively leave the black surround of 180 pixels up and down at display screen, all the other screens all utilize, and guarantee that the SD video image is undistorted.
If the SD video image is 4 the tunnel, then adopt 4 width of cloth SD image sets to be combined into the layout type of the clear image of a panel height, be 720*540 with the clear image zoom of every road sign, displaying ratio still is 4: 3.Get a frame image data totally 4 width of cloth images in the clear image of every road sign then, be combined into a complete video image according to the image layout of upper and lower, left and right, its resolution is 1440*1080, as the clear video image output of a panel height.When exporting resolution to and be on the high definition display device of 1920*1080, just respectively leave the black surround of 240 pixels on the display screen left side and the right, all the other screens all utilize, and guarantee that the SD video image is undistorted.
For the clear video image of 4 road signs, can be 960*540 also with the clear image zoom of every road sign, the resolution of the complete video image that 4 frame image datas are formed is 1920*1080, when exporting on the high definition display device, display screen utilizes fully, can not leave black surround, but because the displaying ratio of the clear image of every road sign this moment is not 4: 3, therefore, can there be the horizontal stretch phenomenon in image, and image is distortion to some extent.
If the SD video image is 6 the tunnel, the image layout mode of 3 width of cloth images, following 3 width of cloth images is 640*480 with the clear image zoom of every road sign above then adopting, and displaying ratio still is 4: 3.Get the frame image data in the clear image of every road sign then, be combined into a complete video image according to the image layout of top 3 width of cloth, following 3 width of cloth, its resolution is 1920*960, as the clear video image output of a panel height.When exporting resolution to and be on the high definition display device of 1920*1080, just respectively leave the black surround of 60 pixels at the display screen bottom and upper segment, all the other screens all utilize, and guarantee that the SD video image is undistorted.
For the clear video image of 3 road signs, can adopt the layout type of the clear video image of 4 road signs, be vacant wherein one road image; For the clear video image of 5 road signs, can adopt the layout type of the clear video image of 6 road signs, this moment also can vacant wherein one road image.
S108: when the video flowing that receives is not multichannel SD video flowing, judge whether to be the clear video flowing of a road sign.If, execution in step S109; Otherwise, go to step S111.
S109: when the video flowing that receives is the clear video flowing of a road sign, directly this SD video flowing is decoded.
S110: the video image behind the output decoder then.For the clear video image of a road sign, its output processing method is similar to prior art, can adopt the way of output of direct output SD video image, also can adopt the way of output of the SD video image being amplified back output high clear video image.
S111: be not multichannel SD video flowing at the video flowing that receives, neither the clear video flowing of a road sign time, then the video flowing that receives of acquiescence be one road high definition video steaming, then directly this road high definition video steaming is decoded.
S112: the high clear video image behind the direct then output decoder.
S113: flow process finishes.
The present invention also provides a kind of Video Decoder of using above-mentioned video encoding/decoding method.Fig. 2 shows the composition structured flowchart of an embodiment of this Video Decoder.
As shown in Figure 2, the Video Decoder of described embodiment comprises video flowing receiving element, main control unit, multi-channel video stream processing unit, decoding unit and video output unit.
Described video flowing receiving element is mainly used in and receives one or more video flowing from video encoder, can be the video flowing by network receiving remote video encoder, also can be the video flowing that directly receives the local video encoder.
Described main control unit is as the control core of Video Decoder, it mainly acts on and comprising: communicating to connect path, judge the type of the video flowing that described video flowing receiving element receives and quantity, determining the video image layout of output according to the video flowing quantity that is received of Video Decoder is set, simultaneously, also control the course of action of each cell mesh of decoder.
Described multi-channel video stream processing unit is mainly used in the multichannel SD video flowing that described video flowing receiving element is received and identifies, and export this multichannel SD video flowing to described decoding unit with parallel mode as one of core cell of Video Decoder.
Described decoding unit is used for multichannel SD video flowing that described video reception unit is received or the clear video flowing of a road sign or one road high definition video steaming and decodes.When multichannel SD video flowing is decoded, the mode that adopts a plurality of decoded instance to move simultaneously, each decoded instance isolated operation is not disturbed mutually.
Described video output unit will be according to output high clear video image of the video image after the described decoding unit decodes or SD video image as one of core cell of Video Decoder.If decoded video image is one road high clear video image, then directly export high clear video image; If decoded video image is the clear video image of a road sign, can exports the SD video image or the SD video image is amplified back output high clear video image.If decoded video image is a multichannel SD video image, then the video image layout of determining according to described main control unit is carried out convergent-divergent and splicing to multichannel SD video image, forms the output of one road high clear video image.The principle of convergent-divergent and splicing and method can be with reference to the descriptions in the figure 1 embodiment video encoding/decoding method.
The present invention also provides a kind of video monitoring system of using above-mentioned Video Decoder.Fig. 3 shows the system construction drawing of an embodiment of this video monitoring system.
As shown in Figure 3, the video monitoring system of this embodiment comprises several video cameras, and each video camera is to there being a video encoder, and the video signal that is used for video camera is taken is according to H.264/MPEG4 waiting coding standard to carry out compressed encoding.Described video monitoring system also includes the plurality of video decoder, and each Video Decoder is connected with the high definition display device by component analog interface or HDMI high definition interface.
In this embodiment, connect by computer network between a described Video Decoder and a plurality of video encoder, be used to receive one or more compressing video frequency flow from the output of long-distance video encoder.
Described Video Decoder is connected with the network of video encoder by the setting of its main control unit, determines the video encoder that Video Decoder can be communicated by letter.
Unpack then by video flowing receiving element receiver, video stream from the network, and according to the agreements such as RTP/RTCP/RTSP of standard.
Main control unit is judged type, the quantity of video flowing according to the video stream data after unpacking, and determines the video image layout as required.
If the video flowing that receives is a multichannel SD video flowing, then call the multi-channel video stream processing unit multichannel SD video flowing is handled, export decoding unit then to and decode; If the video flowing that receives is clear video flowing of a road sign or one road high definition video steaming, then directly calls decoding unit and carry out decoding processing.
Video output unit exports decoded video image to the high definition display device with the form of high clear video image or SD video image and shows, thereby realizes the monitoring to remote image.
In this embodiment, described video encoder and Video Decoder all can adopt embedded system to realize, with the reliability of assurance system operation, improve installation effectiveness, reduce maintenance cost and production cost.
Certainly; the above only is a kind of preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a video encoding/decoding method is characterized in that, comprises the steps:
Judge the type and the quantity of the video flowing that receives;
When the video flowing that receives is multichannel SD video flowing, every road video flowing is identified;
With parallel mode every road video flowing is decoded then;
Again decoded multichannel SD video image is combined as the output of one road high clear video image.
2. video encoding/decoding method according to claim 1, it is characterized in that, when decoded multichannel SD video image is combined as one road high clear video image, determine the video image layout of output according to the quantity of video flowing, according to the image layout of determining the clear video image of decoded every road sign is carried out convergent-divergent and splicing then, form one road high clear video image.
3. video encoding/decoding method according to claim 1 is characterized in that, described multichannel SD video flowing is the clear video flowing of 2 road signs, the clear video flowing of 4 road signs or the clear video flowing of 6 road signs.
4. according to claim 1 or 2 or 3 described video encoding/decoding methods, it is characterized in that, when the video flowing that receives is the clear video flowing of a road sign, directly this SD video flowing is decoded, then the SD video image behind the output decoder or decoded SD video image amplified back output high clear video image.
5. according to claim 1 or 2 or 3 described video encoding/decoding methods, it is characterized in that, when the video flowing that receives is one road high definition video steaming, directly this high definition video steaming is decoded, then the high clear video image behind the output decoder.
6. a Video Decoder is characterized in that, comprising:
The video flowing receiving element is used to receive one or more video flowing from video encoder;
Decoding unit is used for the video flowing that receives is decoded;
Main control unit is used to be provided with communicating to connect path, judging the type and the quantity of the video flowing that described video flowing receiving element receives of Video Decoder, and determines the video image layout of output according to the video flowing quantity that is received;
The multi-channel video stream processing unit is used for the multichannel SD video flowing that described video flowing receiving element receives is identified, and exports this multichannel SD video flowing to described decoding unit with parallel mode;
Video output unit is according to output high clear video image of the video image after the described decoding unit decodes or SD video image.
7. Video Decoder according to claim 6, it is characterized in that, when the video flowing of described video flowing receiving element reception is multichannel SD video flowing, the every road sign clear video image of the output video image layout that described video output unit is determined according to described main control unit after to described decoding unit decodes carries out convergent-divergent and splicing, forms the output of one road high clear video image.
8. according to claim 6 or 7 described Video Decoders, it is characterized in that, when the video flowing of described video reception unit reception is the clear video flowing of a road sign, described decoding unit is decoded to the clear video flowing of this road sign, the SD video image behind the direct output decoder of described video output unit or decoded SD video image amplified back output high clear video image.
9. a video monitoring system comprises video camera, video encoder, Video Decoder and display device, it is characterized in that, described display device is the high definition display device; Establish between described Video Decoder and a plurality of video encoder and communicate to connect path, receive one or more video flowing from video encoder;
Described Video Decoder comprises:
The video flowing receiving element is used to receive one or more video flowing from video encoder;
Decoding unit is used for the video flowing that receives is decoded;
Main control unit is used to be provided with communicating to connect path, judging the type and the quantity of the video flowing that described video flowing receiving element receives of Video Decoder, and determines the video image layout of output according to the video flowing quantity that is received;
The multi-channel video stream processing unit is used for the multichannel SD video flowing that described video flowing receiving element receives is identified, and exports this multichannel SD video flowing to described decoding unit with parallel mode;
Video output unit is according to output high clear video image of the video image after the described decoding unit decodes or SD video image.
10. video monitoring system according to claim 9 is characterized in that, the path of setting up between described Video Decoder and a plurality of video encoder that communicates to connect is a computer network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010104771 CN101783946A (en) | 2010-01-30 | 2010-01-30 | Video decoding method, video decoder and video monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010104771 CN101783946A (en) | 2010-01-30 | 2010-01-30 | Video decoding method, video decoder and video monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101783946A true CN101783946A (en) | 2010-07-21 |
Family
ID=42523732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010104771 Pending CN101783946A (en) | 2010-01-30 | 2010-01-30 | Video decoding method, video decoder and video monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101783946A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950242A (en) * | 2010-09-19 | 2011-01-19 | 电子科技大学 | Multiple viewpoint scene imaging scaling display control method |
| CN102724516A (en) * | 2012-05-16 | 2012-10-10 | 浙江大华技术股份有限公司 | Adaptive signal processing method, device and decoder |
| CN104010137A (en) * | 2014-06-16 | 2014-08-27 | 李思超 | Method and device for splicing high-definition network videos and displaying high-definition network videos on wall |
| CN104580976A (en) * | 2014-12-12 | 2015-04-29 | 百视通网络电视技术发展有限责任公司 | Video converting system and method |
| CN105208297A (en) * | 2015-09-11 | 2015-12-30 | 桂林电子科技大学 | System and method for simultaneously recording and playing multiple channels of video |
| CN106507139A (en) * | 2016-11-16 | 2017-03-15 | 深圳市捷视飞通科技股份有限公司 | Multi-path high-definition video multiplex display packing and device |
| CN107396072A (en) * | 2017-09-15 | 2017-11-24 | 赵立峰 | A kind of monitoring video device and method |
| CN108055554A (en) * | 2017-12-14 | 2018-05-18 | 深圳Tcl数字技术有限公司 | Video broadcasting method, TV, server and computer readable storage medium |
| CN108471513A (en) * | 2018-03-28 | 2018-08-31 | 国网辽宁省电力有限公司信息通信分公司 | Video fusion method, apparatus and server |
| CN110956600A (en) * | 2019-11-27 | 2020-04-03 | 北京百度网讯科技有限公司 | Information fusion method and device, electronic equipment and readable storage medium |
| CN111757121A (en) * | 2020-07-08 | 2020-10-09 | 杭州海康威视数字技术股份有限公司 | Video stream reverse playing method and device |
| CN111954066A (en) * | 2020-08-31 | 2020-11-17 | 西安万像电子科技有限公司 | Image processing method, system, device, storage medium and processor |
| CN112835651A (en) * | 2021-04-01 | 2021-05-25 | 中国空空导弹研究院 | Parallel decoding processing method for multi-path images |
| CN112866781A (en) * | 2019-11-28 | 2021-05-28 | 西安诺瓦星云科技股份有限公司 | Video source processing method and device and video processing equipment |
| CN113903297A (en) * | 2021-12-07 | 2022-01-07 | 深圳金采科技有限公司 | Display control method and system of LED display screen |
-
2010
- 2010-01-30 CN CN 201010104771 patent/CN101783946A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950242A (en) * | 2010-09-19 | 2011-01-19 | 电子科技大学 | Multiple viewpoint scene imaging scaling display control method |
| CN102724516A (en) * | 2012-05-16 | 2012-10-10 | 浙江大华技术股份有限公司 | Adaptive signal processing method, device and decoder |
| CN104010137B (en) * | 2014-06-16 | 2018-05-18 | 李思超 | The method and apparatus of the upper wall of network HD video splicing |
| CN104010137A (en) * | 2014-06-16 | 2014-08-27 | 李思超 | Method and device for splicing high-definition network videos and displaying high-definition network videos on wall |
| CN104580976A (en) * | 2014-12-12 | 2015-04-29 | 百视通网络电视技术发展有限责任公司 | Video converting system and method |
| CN105208297A (en) * | 2015-09-11 | 2015-12-30 | 桂林电子科技大学 | System and method for simultaneously recording and playing multiple channels of video |
| CN106507139A (en) * | 2016-11-16 | 2017-03-15 | 深圳市捷视飞通科技股份有限公司 | Multi-path high-definition video multiplex display packing and device |
| CN107396072A (en) * | 2017-09-15 | 2017-11-24 | 赵立峰 | A kind of monitoring video device and method |
| CN108055554A (en) * | 2017-12-14 | 2018-05-18 | 深圳Tcl数字技术有限公司 | Video broadcasting method, TV, server and computer readable storage medium |
| CN108471513A (en) * | 2018-03-28 | 2018-08-31 | 国网辽宁省电力有限公司信息通信分公司 | Video fusion method, apparatus and server |
| CN110956600A (en) * | 2019-11-27 | 2020-04-03 | 北京百度网讯科技有限公司 | Information fusion method and device, electronic equipment and readable storage medium |
| CN112866781A (en) * | 2019-11-28 | 2021-05-28 | 西安诺瓦星云科技股份有限公司 | Video source processing method and device and video processing equipment |
| CN111757121A (en) * | 2020-07-08 | 2020-10-09 | 杭州海康威视数字技术股份有限公司 | Video stream reverse playing method and device |
| CN111954066A (en) * | 2020-08-31 | 2020-11-17 | 西安万像电子科技有限公司 | Image processing method, system, device, storage medium and processor |
| CN112835651A (en) * | 2021-04-01 | 2021-05-25 | 中国空空导弹研究院 | Parallel decoding processing method for multi-path images |
| CN112835651B (en) * | 2021-04-01 | 2023-10-20 | 中国空空导弹研究院 | Multipath image parallel decoding processing method |
| CN113903297A (en) * | 2021-12-07 | 2022-01-07 | 深圳金采科技有限公司 | Display control method and system of LED display screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101783946A (en) | Video decoding method, video decoder and video monitoring system | |
| US10511803B2 (en) | Video signal transmission method and device | |
| US10965904B2 (en) | Display method and display device, television and storage medium | |
| CN101986382B (en) | Wireless network transmission RGB signal processing method for multi-screen splicing display wall | |
| CN104361837A (en) | Tiled display screen and seamless display method thereof | |
| CN103581570A (en) | Large-size screen splice system and method based on multi-media communication | |
| CN102646032A (en) | Distributed screen splicing control system and control method | |
| CN102611869A (en) | Output-oriented network transmission technique of multi-screen splicing system | |
| CN103533358B (en) | Self adaption image collection transmission display device | |
| CN201467377U (en) | High-definition digital video/audio decoding device | |
| CN100525453C (en) | Video telecommunication system and method based on HDMI interface | |
| CN108156511B (en) | Method and system for realizing double-screen or multi-screen splicing display | |
| CN104506799A (en) | Mine fully-mechanized coal mining face wireless network transmitting system | |
| CN103037169A (en) | Picture split joint combination method of embedded hard disk video | |
| CN101986707A (en) | Decoder system and method capable of supporting display wall output | |
| CN201585043U (en) | 3g video camera | |
| CN112017587B (en) | Display system, display correction method and display correction device | |
| CN201365311Y (en) | High-definition decoder based on digital TV HDTV platform | |
| CN201403157Y (en) | Picture element router for merging multi-projection image | |
| CN105357455A (en) | Method and device for a 4K display to display video sources with one screen | |
| CN206686317U (en) | A kind of low delay device of 1080P high-definition digital videos image transmitting | |
| CN201491179U (en) | Hand-held image detector | |
| CN101170694A (en) | A method for real time monitoring signals of encoding device | |
| CN110753215A (en) | Self-adaptive projection fusion equipment | |
| CN206471079U (en) | A kind of liquid crystal-spliced board with network decoding and hybrid matrix function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100721 |