Efficient VLSI implementation of a VLC decoder for universal variable length code

Shang Xue Shang Xue,B Oelmann

doi:10.1109/isvlsi.2003.1183467

Efficient VLSI implementation of a VLC decoder for universal variable length code

Shang Xue Shang Xue, B Oelmann

https://doi.org/10.1109/isvlsi.2003.1183467

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Publication Date: Feb 20, 2003

Citations: 4

Affiliation: Mid Sweden University

#Universal Variable Length Code #Variable Length Code + Show 8 more

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Abstract

Variable length code (VLC) is used in a large variety of lossless compression applications. A specially designed VLC, called Universal Variable Length Code (UVLC), is utilized in the latest video coding standard H.26L under development. In this work we develop an efficient decoder for UVLC by utilizing the special properties of UVLC which perform coding in an alternating way (ALT). We compare the ALT decoder with the decoder called decoder using plane separation (PLS) which is claimed to be one of the most effective VLC decoders. Our results show that the ALT decoder is 1.34 times faster 1.7 times smaller and consumes 45% power in comparison to the PLS decoder.

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