A Simple Improved Full Search for Vector Quantization Based on Winograd's Identity
Resource
IEEE Signal Processing Letters 7 (12): 342-344
Journal
IEEE Signal Processing Letters
Pages
342-344
Date Issued
2000
Date
2000
Author(s)
Chung, Kuo-Liang
Yan, Wen-Ming
Wu, Jung-Gen
Abstract
Vector quantization (VQ) technique is a well known method in image compression. Employing Winograd's (1968) identity, this article presents a simple improved method in order to cut the computation time in the full search method for VQ nearly 50%. Some experiments are carried out to confirm the theoretical analysis.
Type
journal article
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