80 search results - page 8 / 16 » Subspaces of Quantization Artifacts for Image Transform Comp... |
ICASSP
2007
IEEE
14 years 1 months ago
2007
IEEE
Recently, Narozny et al [1] proposed a new viewpoint in variable high-rate transform coding. They showed that the problem of finding the optimal 1-D linear block transform for a ...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
Lossy compression of hyperspectral and ultraspectral images is traditionally performed using 3D transform coding. This approach yields good performance, but its complexity and mem...
DFT
2005
IEEE
14 years 10 days ago
2005
IEEE
In this paper, we propose a system-level error tolerance scheme for systems where a linear transform is combined with quantization. These are key components in multimedia compress...
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Sparse representation in compressive sensing is gaining increasing attention due to its success in various applications. As we demonstrate in this paper, however, image sparse rep...
DCC
1999
IEEE
13 years 11 months ago
1999
IEEE
This paper presents a simple and e ective post-processing method for compressed images. This work focuses on the cyclic time-variance introduced by block-based and subband transfo...