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» Efficient Variable Rate Vector Quantization Using Quadtree S...
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DCC
1997
IEEE
15 years 5 months ago
Quadtree Based Variable Rate Oriented Mean Shape-Gain Vector Quantization
: Mean shape-gain vector quantization (MSGVQ) is extended to include negative gains and square isometries. Square isometries together with a classi cation technique based on averag...
Raouf Hamzaoui, Bertram Ganz, Dietmar Saupe
ICIP
2003
IEEE
16 years 2 months ago
Efficient frame vector selection based on ordered sets
The problem of finding the optimal set of quantized coefficients for a frame-based encoded signal is known to be of very high complexity. This paper presents an efficient method o...
Tom Ryen, Guido M. Schuster, Aggelos K. Katsaggelo...