Client terminal implementing method for real time monitoring video

A technology of real-time video and its implementation method, which is applied in the direction of digital video signal modification, television, closed-circuit television system, etc., can solve the problems of image fluency and clarity reduction, increase network burden, etc., achieve both image quality and real-time performance, and improve Clarity, the effect of eliminating adverse effects

Inactive Publication Date: 2009-08-19
SHANDONG UNIV
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  • Claims
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Problems solved by technology

If video frames with reverse order and packet loss are discarded in order to ensure real-time performance, the fluency and clarity of the image will be greatly reduced; while retransmission and waiting in order to repair the

Method used

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  • Client terminal implementing method for real time monitoring video
  • Client terminal implementing method for real time monitoring video
  • Client terminal implementing method for real time monitoring video

Examples

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[0075] Such as figure 1 As shown, the method of the present invention is functionally divided into four steps: video receiving step 1, video buffering step 2, video decompression step 3, and control instruction step 4. Video receiving step 1 is used to realize the functions of receiving video data, judging the legality of frames and calculating the storage location for framing; the video buffering step 2 is responsible for video buffering; the video decompression step 3 adopts the check window algorithm and receives correct reception The video data frame is decoded and displayed; the control instruction step 4 receives the user's operation information, and remotely controls the monitoring terminal according to the user's operation, including the control of the terminal on and off, the control of the PTZ, the video compression rate and the frame Rate control, etc.

[0076] After the client starts to run, initialize the buffer, network socket, and video decompression parameters, an...

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Abstract

The invention provides a client realization method used for real time video supervision, comprising a video buffering step, a video receiving step, a video decompressing step and controlling command step; the video buffering step carries on the framing and buffering process for the received data packet in continuous frame buffer area and a frame line is formed in the buffer area; in the video receiving step, the control information in the data packet is analyzed and a frame number window algorithm is used for judging the validity of data packet; in the video decompressing step, according to the check window algorithm, a complete frame is obtained from the frame line for decoding and displaying; in the controlling command step, the operating information of users is received and telecontrol can be carried on for the monitor terminal according to the operation of users. The invention eliminates the network negative sequence and the adverse effect on image quality by the packet loss in maximum, on the condition of real time supervision; so the definition, fluency and resolving capability of images are improved, and when the situations of the network is bad, the image quality of client terminal and real-time can be both paid attention to.

Description

technical field [0001] The invention relates to a method for realizing a network-based video monitoring client, and belongs to the technical field of video monitoring. Background technique [0002] With the development of the network, the real-time network video surveillance system has been more and more widely used in daily life and production. The network video surveillance system generally includes the video collection of the monitoring terminal, the network transmission of the video, and the video display of the client. The monitoring terminal first compresses the collected video data according to a specific compression standard to form a sequence of video frames. In order to adapt to different transmission networks, a large video frame will be split into several data packets, and the corresponding control information will be added to each, and sent to the client through the network. The client receives the data packet sent by the monitoring terminal through the networ...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N7/26H04L1/00H04N19/112H04N19/172H04N19/70
Inventor 袁东风种衍林陈飞赵恺魏斌石祚夫管章玉苗全
Owner SHANDONG UNIV
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