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PCM
2004
Springer
106views Multimedia» more  PCM 2004»
9 years 11 months ago
Performance Improvement of Vector Quantization by Using Threshold
Abstract. Vector quantization (VQ) is an elementary technique for image compression. However, the complexity of searching the nearest codeword in a codebook is time-consuming. In t...
Hung-Yi Chang, Pi-Chung Wang, Rong-Chang Chen, Shu...
ICASSP
2010
IEEE
9 years 6 months ago
Enhanced trellis based vector quantization for coordinated beamforming
This paper presents two techniques to boost the quantization performance of trelli-based beamforming vector quantization schemes [?], [?]. It is well known that tail-biting trelli...
Chun Kin Au-Yeung, Shahab Sanayei
ICIP
2002
IEEE
10 years 7 months ago
Progressive image transmission over a noisy channel using wavelet transform and channel optimized vector quantization
This paper studies a progressive image transmission technique over waveform channels. The Channel Optimized Vector Quantization codec (COVQ) [1] is applied to the image wavelet co...
Inmaculada García, José L. Pé...
DCC
2009
IEEE
10 years 6 months ago
Performing Vector Quantization Using Reduced Data Representation
Erickson Miranda, Guoqiang Shan, Vasileios Megaloo...
EAAI
2008
257views more  EAAI 2008»
9 years 5 months ago
Recognition of facial expressions using Gabor wavelets and learning vector quantization
Facial expression recognition has potential applications in different aspects of day-to-day life not yet realized due to absence of effective expression recognition techniques. Th...
Shishir Bashyal, Ganesh K. Venayagamoorthy
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