232 search results - page 4 / 47 » Image Denoising Using Sparse Representations |
ICIP
2010
IEEE
13 years 3 months ago
2010
IEEE
We propose a two component method for denoising multidimensional signals, e.g. images. The first component uses a dynamic programing algorithm of complexity O(N log N) to find an ...
JDCTA
2010
13 years 1 months ago
2010
Preprocessing, a major component of Character Recognition System, has direct effect on the recognition system by its performance. Using wavelet transform, this paper mainly focuse...
ICIP
2005
IEEE
14 years 8 months ago
2005
IEEE
Signal processing using over-complete representations has been an active research field in recent years. In this article, we study the following two related problems: (1) given tw...
ICCV
2007
IEEE
14 years 8 months ago
2007
IEEE
Many computer vision and image processing tasks require the preservation of local discontinuities, terminations and bifurcations. Denoising with feature preservation is a challeng...
CCIW
2011
Springer
12 years 9 months ago
2011
Springer
The representation model that considers an image as a sparse linear combination of few atoms of a predefined or learned dictionary has received considerable attention in recent ye...