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Semi-fixed-length motion vector coding for H.263-based low bit rate video compression

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3 Author(s)
Cote, G. ; Dept. of Electr. Eng., British Columbia Univ., Vancouver, BC, Canada ; Gallant, M. ; Kossentiai, F.

We present a semi-fixed-length motion vector coding method for H.263-based low bit rate video compression. The method exploits structural constraints within the motion field. The motion vectors are encoded using semi-fixed-length codes, yielding essentially the same levels of rate-distortion performance and subjective quality achieved by H.263's Huffman-based variable length codes in a noiseless environment. However, such codes provide substantially higher error resilience in a noisy environment

Published in:

Image Processing, IEEE Transactions on  (Volume:8 ,  Issue: 10 )

Date of Publication:

Oct 1999

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