Layer Selection in Progressive Transmission of Motion-Compensated JPEG2000 Video

Motion-JPEG2000 Stream Scaling for Multi-Resolution Video Transmission

In this paper, we present a real-time video system for the transmission of Motion-JPEG2000 codestreams with multiple resolutions. To achieve this multi-resolution video in real-time, a software tool, named ‘stream scaler’, was newly developed. It directly looks at each packet’s location in a codestream before deciding whether it is accepted as a new packet for a scaled codestream. The SOP marke...

Advantages of motion-JPEG2000 in video processing

Long-Term Memory Motion-Compensated Prediction for Robust Video Transmission

Long-term memory prediction extends the spatial displacement vector utilized in hybrid video coding by a variable time delay permitting the use of more than one reference frame for motion compensation. This extension provides improved rate-distortion performance. However, motion compensation in combination with transmission errors leads to temporal error propagation that occurs when the referen...

Multi-frame motion compensated prediction for video transmission

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Efficient mode selection for block-based motion compensated video coding

A method for e ciently selecting the operating modes within a block-based multi-mode video compression system is described. For a given image region, the optimum combination of modes is selected so as to minimize the overall distortion for a given bit-rate budget. Necessary conditions for optimizing the encoder operation are derived within a rateconstrained product code framework [1]. When rate...