490 search results - page 67 / 98 » Fractal-wavelet image denoising |
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
In this paper, we present a new deconvolution method, able to deal with noninvertible blurring functions. To avoid noise amplification, a prior model of the image to be reconstruc...
ICIP
2009
IEEE
14 years 11 months ago
2009
IEEE
In this paper, we propose a fast image deconvolution algorithm that combines adaptive block thresholding and Vaguelet-Wavelet Decomposition. The approach consists in first denoisi...
ICASSP
2009
IEEE
14 years 4 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...
MEDIAFORENSICS
2010
13 years 11 months ago
2010
In digital image forensics, it is generally accepted that intentional manipulations of the image content are most critical and hence numerous forensic methods focus on the detecti...
WCE
2007
13 years 11 months ago
2007
–—Wavelet expansions and wavelet transforms have proven to be very efficient and effective in analyzing a very wide class of signals and phenomena. Wavelet expansion allows a m...