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PCM
2004
Springer
106views Multimedia» more  PCM 2004»
15 years 6 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
15 years 1 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
105
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ICIP
2002
IEEE
16 years 2 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...
78
Voted
DCC
2009
IEEE
16 years 1 months ago
Performing Vector Quantization Using Reduced Data Representation
Erickson Miranda, Guoqiang Shan, Vasileios Megaloo...
112
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EAAI
2008
257views more  EAAI 2008»
15 years 1 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