Motion filter vector quantization

Image Processing. 2002. Proceedings. 2002 International Conference （2002）

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摘要

Motion-compensated prediction of video is formulated as a novel vector quantization scheme called motion filter vector quantiza- tion (MFVQ). In MFVQ, the motion vector and the pixel-intensity interpolation filter are combined into a motion filter and the en- tire filter is vector quantized. A codebook design algorithm is proposed for designing unit gain and entropy constrained MFVQ codebooks. The algorithm is tested under two application config- urations, MFVQ with static codebook and MFVQ with forward- adaptive codebook, and is shown to furnish up to a dB of PSNR gain.

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关键词

adaptive codes,entropy codes,filtering theory,interpolation,motion compensation,prediction theory,vector quantisation,video coding,PSNR gain,closed-loop simulations,codebook design algorithm,entropy constrained MFVQ codebook,forward-adaptive codebook,motion compensated video coding,motion filter VQ,motion filter vector quantization,motion-compensated prediction,pixel-intensity interpolation filter,static codebook,unit gain MFVQ codebook

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