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Research and Design of IVS Based on OGSA

Author: YuanYuan
Tutor: LiuZhen
School: Jiangsu University of Science and Technology
Course: Applied Computer Technology
Keywords: grid computing OGSA intelligent video surveillance video processing
CLC: TP277
Type: Master's thesis
Year: 2011
Downloads: 2
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Abstract


The video surveillance became digital and networked, the deployment of monitoring points was flexible and decentralized, Traditional centralized intelligent video analysis solutions are not applicable in a distributed architecture, this paper established intelligent video surveillance using grid technology. It was based on Open Grid Services Architecture OGSA,applied H.264 video encoding and transmit technology, packaged the moving object detection into grid services and deploy on each grid node, did moving object detection when video data transmitting through nodes, finally, returned the results of synthesis to the user. Specific research work includes the following aspects:1. Video analysis was conducted for the complete image sequence, the network’s video data source was dispersed, and H.264 adopted motion estimation and inter prediction technology, the encoded image can be used as a reference frame, making the correlation between images and can not split, but the reference relationship was not exist between different coding sequence. A video coding sequence used the same parameter set and can be independently decoded, the IDR frame marked the starting of a sequence, so according to H.264 encoding characteristics and the demand of video analysis in a distributed environment, proposed an H.264 transmission method based on sequence segmentation;2. In a distributed environment, the video data used packet transmission. In this paper, an H.264 transmission method based on sequence segmentation was used, current sequence may not be continuous or it may belong to different video camera, so can only ensure the continuity in one image sequences, it means that in this case, the video data can only ensure the continuity of local time and space. According to the characteristics of video transmission and distributed computing environment, proposed IDR background immediately refresh and adaptive threshold motion detection method. This method is based on the improvement of the background difference method;3. The network of video surveillance makes the monitoring point spread, traditional centralized architecture has obviously can not meet the demand of distributed environment. In this paper, presents a distributed intelligent video surveillance system. Made a detail study on grid technology, focus on the Open Grid Services Architecture OGSA, presents an video data scheduling algorithm analysis, which comprehensive consider of bandwidth and node’s computing power; 4. After the full study of video analysis and grid technology, designed and implemented the IVS based on OGSA;This paper used grid technology in intelligent video surveillance, made the processing efficiency significantly improved, enhanced the system flexibility and scalability and effectively improved the performance of intelligent video surveillance.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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