An adaptive high-speed vector quantization

Oscal T.C. Chen, Zhen Zhang, Bing J. Sheu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

An adaptive method for vector quantization and the associated VLSI architecture are presented. This method does not require apriori knowledge of the source statistics and codebook training. The codebook is generated on the fly and is constantly updated to capture local textual features of data. The algorithm is shown to reach rate distortion function for memoryless sources. We also propose a computation architecture which consists of two move-to-front vector quantizers and an index generator. The processing element in the move-to-front vector quantizer is designed by using a 0.5 μm CMOS technology. The total transistor count can be about 10,000. It can provide a computing capability of 200M pixels per second for high-speed image compression systems. By using this method, a high-speed VLSI processor with good local adaptivity, reduced complexity, and fairly good compression ratio can be achieved.

Original languageEnglish
Title of host publicationWorkshop on VLSI Signal Processing 1992
EditorsWojtek Przytula, Kung Yao, Rajeev Jain, Jan Rabaey
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages205-214
Number of pages10
ISBN (Electronic)0780308115, 9780780308114
DOIs
StatePublished - 1992
Externally publishedYes
Event6th IEEE Workshop on VLSI Signal Processing - Los Angeles, United States
Duration: 28 10 199230 10 1992

Publication series

NameWorkshop on VLSI Signal Processing 1992

Conference

Conference6th IEEE Workshop on VLSI Signal Processing
Country/TerritoryUnited States
CityLos Angeles
Period28/10/9230/10/92

Bibliographical note

Publisher Copyright:
© 1992 IEEE.

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