165 search results - page 5 / 33 » Effective Multiple Vector Quantization for Image Compression |
ICMCS
2005
IEEE
14 years 2 months ago
2005
IEEE
The encoding process of image vector quantization (VQ) is very heavy due to it performing a lot of k-dimensional Euclidean distance computations. In order to speed up VQ encoding,...
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
In this work we present an efficient coding scheme suitable for lossy image compression using a lattice vector quantizer (LVQ) based on statistically independent data projections...
PCM
2004
Springer
14 years 1 months ago
2004
Springer
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...
ICCSA
2005
Springer
14 years 2 months ago
2005
Springer
Vector quantization (VQ) is an elementary technique for image compression. However, searching for the nearest codeword in a codebook is time-consuming. The existing schemes focus o...
JIPS
2010
13 years 3 months ago
2010
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to...