Cache vector quantisation algorithm in video compression
Resource
Electronics Letters
Journal
Electronics Letters
Journal Volume
29
Journal Issue
16
Pages
1423-1424
Date Issued
1993-08
Date
1993-08
Author(s)
DOI
0013-5194
Abstract
A new vector quantisation (VQ) algorithm based on a strategy similar to the cache in traditional computers is proposed and simulated. The method can significantly reduce the redundancy in VQ indices. According to the simulated results, the bit rate is variable but is much less than that of the primary full search algorithm. For test sequence ‘Miss America’, the mean square error is ~23 and the bit rate is ~ 0.3 bit/pixel. © 1993, The Institution of Electrical Engineers. All rights reserved.
Subjects
Algorithms; Vector quantisation; Video
Other Subjects
Algorithms; Digital image storage; Image compression; Signal encoding; State assignment; Vectors; Cache vector (VQ) quantization algorithm; Video compression; Video signal processing
Type
journal article
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