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

TitleSemi-fixed-length motion vector coding for H.263-based low bit rate video compression
Publication TypeJournal Article
Year of Publication1999
AuthorsCote, G., M. Gallant, and F. Kossentini
JournalIEEE Transactions on Image Processing
Volume8
Pagination1451–1455
ISSN1057-7149
Abstract

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.

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