DocumentCode
842632
Title
Fast search methods for vector lookup in vector quantisers
Author
Wilton, A.P. ; Carpenter, G.F.
Author_Institution
Dept. of Electron. Eng. & Appl. Phys., Aston Univ., Birmingham, UK
Volume
28
Issue
25
fYear
1992
Firstpage
2311
Lastpage
2312
Abstract
A substantial reduction in the time taken to look up a source vector in a vector codebook is achieved with a small extra distortion by searching only a subset of the codebook preselected according to the Euclidean magnitude of the vectors.
Keywords
image coding; vector quantisation; Euclidean magnitude; distortion; image pixel block statistics; search methods; source vector; vector codebook; vector lookup; vector quantisers;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19921487
Filename
191845
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