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4 January 2002 Block-interlaced code words realignment for error resilience enhancment of video coding
Yingjun Su, Jianhua Lu, Jing Wang
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Proceedings Volume 4671, Visual Communications and Image Processing 2002; (2002) https://doi.org/10.1117/12.453051
Event: Electronic Imaging, 2002, San Jose, California, United States
Abstract
A block-interlaced codewords realignment (BICR) scheme is proposed for error resilience enhancement video transmission over burst error channels. The video coder is compatible with the MPEG-4 coding standard. Specifically, based on the error propagation property of the variable length coding (VLC) and reversible variable length coding (RVLC), the proposed scheme realigns the codewords within a minimum data unit according to the loss probability and the source significance information. This realignment automatically achieves an unequal error protection for different codewords of the coded video bit-stream with different importance, increasing the error resilience of the video coding without any penalty in transmission efficiency. Simulation results confirm that this realignment can increase the quality of the reconstructed video frames remarkably over channels with burst errors in terms of PSNR criterion.
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Yingjun Su, Jianhua Lu, and Jing Wang "Block-interlaced code words realignment for error resilience enhancment of video coding", Proc. SPIE 4671, Visual Communications and Image Processing 2002, (4 January 2002); https://doi.org/10.1117/12.453051
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KEYWORDS
Video coding
Video
Error analysis
Systems modeling
Computer simulations
Image quality
Distortion
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