202 search results - page 18 / 41 » On Lattice Quantization Noise |
ICIP
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper, we perform double embedding in the quantization index modulation (QIM) framework where a single coefficient is modified twice, using two quantizers, to embed two bi...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper discusses the construction and implementation problem of trellis coded quantization (TCQ) based data hiding. We explore the robustness and distortion of data hiding by ...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
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...
SIBGRAPI
1999
IEEE
15 years 2 months ago
1999
IEEE
Texture analysis and synthesis is very important for computer graphics, vision, and image processing. This paper describes an algorithm which can produce new textures with a matchi...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
We study the joint source channel coding problem of transmitting an analog source over a Gaussian channel in two cases - (i) the presence of interference known only to the transmit...