928 search results - page 51 / 186 » On adaptive wavelet packets |
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, an effective multiresolution image representation using the combination of 2D quincunx filter bank (FB) and directional wavelet transform (WT) is presented. The pro...
DCC
2000
IEEE
15 years 2 months ago
2000
IEEE
This paper contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization ...
ISBI
2009
IEEE
15 years 4 months ago
2009
IEEE
We propose a reconstruction scheme adapted to MRI that takes advantage of a sparsity constraint in the wavelet domain. We show that artifacts are significantly reduced compared t...
CGF
2004
14 years 9 months ago
2004
We address in this paper the issue of computing diffuse global illumination solutions for animation sequences. The principal difficulties lie in the computational complexity of gl...
141
click to vote
TIM
2010
14 years 4 months ago
2010
The accuracy of automated face recognition systems is greatly affected by intraclass variations between enrollment and identification stages. In particular, changes in lighting con...