KEYWORDS: Video surveillance, Video, Surveillance, Video compression, Video processing, Video coding, Cameras, Surveillance systems, Intelligence systems, Telecommunications
A mobile video surveillance system is a video surveillance system adopts mobile clients to visualize surveillance
videos over mobile networks. However, mobile networks and mobile clients have limited computational and network
resources. The system combines moving object detection and video transcoding techniques to help users monitor remote
site through video streaming over 3G communication networks. The moving object detection and tracking can skim off
useful video clips. The communication networking services, comprising video transcoding, short text messaging, and
mobile video streaming, transmit surveillance information into mobile appliances. Moving object detection is achieved
by background subtraction of adaptive Gaussian mixture modeling, and particle filter tracking. A spatial-domain
cascaded transcoder is developed to convert the filtered image sequence of detected objects into 3GPP video streaming
format. Experimental results show that the system can successfully detect all events of moving objects for a complex
surveillance scene, and the transcoder has high PSNR.
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