Abstract
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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