5 search results - page 1 / 1 » Quadtree structured restoration algorithms for piecewise pol... |
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
Iterative shrinkage of sparse and redundant representations are at the heart of many state of the art denoising and deconvolution algorithms. They assume the signal is well approx...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
Inherent to photograph-like images are two types of structures: large smooth regions and geometrically smooth edge contours separating those regions. Over the past years, efficien...
ICIP
2010
IEEE
2010
IEEE
Restoration of images and 3D data to higher resolution by deconvolution with sparsity regularization
13 years 2 months ago
Image convolution is conventionally approximated by the LTI discrete model. It is well recognized that the higher the sampling rate, the better is the approximation. However somet...
CVPR
2010
IEEE
14 years 24 days ago
2010
IEEE
In image restoration tasks, a heavy-tailed gradient distribution of natural images has been extensively exploited as an image prior. Most image restoration algorithms impose a spa...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The efficient realization of linear space-variant (non-convolution) filters is a challenging computational problem in image processing. In this paper, we demonstrate that it is po...