202 search results - page 1 / 41 » On Lattice Quantization Noise |
DCC
2007
IEEE
14 years 4 months ago
2007
IEEE
We address the connection between the multiple-description (MD) problem and Delta-Sigma quantization. The inherent redundancy due to oversampling in Delta-Sigma quantization, and ...
DCC
1994
IEEE
13 years 9 months ago
1994
IEEE
ICIP
2005
IEEE
13 years 11 months ago
2005
IEEE
This paper examines the role of attacker’s memory in Quantization Index Modulation (QIM) watermarking systems. First we derive the attacker’s noise distribution that maximizes...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
This paper examines the correlation properties of quantization noise. The quantization noise energy is subtractive if the quantizer output levels are optimized for the probability...
ICIP
1998
IEEE
13 years 9 months ago
1998
IEEE
: While lattice vector quantization (LVQ) can solve the complexity problem of LBG based vector quantizers, and also yield very general codebooks, a single stage lattice VQ, when ap...