1344 search results - page 128 / 269 » Quantization |
111
Voted
ICIP
2006
IEEE
16 years 2 months ago
2006
IEEE
In motion-compensated wavelet based video coders (MCWT), it is known that a precise motion estimation is necessary to minimize the wavelet coefficients energy. However, a motion v...
105
Voted
ICIP
2005
IEEE
16 years 2 months ago
2005
IEEE
We investigate data hiding techniques that attempt to defeat steganalysis by restoring the statistics of the composite image to resemble that of the cover. The approach is to rese...
143
Voted
ICIP
2005
IEEE
16 years 2 months ago
2005
IEEE
Joint source-channel coding of scalable video using motion-compensated temporal filtering is considered. The proposed coding scheme consists of a structured vector quantizer based ...
108
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ICIP
2003
IEEE
16 years 2 months ago
2003
IEEE
Given a color image previously compressed using JPEG, we estimate the image's JPEG compression history components including the color transformation, subsampling, and the qua...
112
Voted
ICIP
1997
IEEE
16 years 2 months ago
1997
IEEE
Oversampled pyramid decompositions have been successfully applied to scalable video coding. Quantization noise feedback at the encoder closed-loop coding" has several advant...