669 search results - page 28 / 134 » On cooperative image denoising |
CVPR
2011
IEEE
13 years 5 months ago
2011
IEEE
Where does the sparsity in image signals come from? Local and nonlocal image models have supplied complementary views toward the regularity in natural images the former attempts t...
ICIAP
2007
ACM
14 years 2 months ago
2007
ACM
Digital images in general, and radiographies in particular, are mainly affected by photon counting noise. In this paper, we provide a method to estimate the gain of the imaging se...
ECCV
2006
Springer
14 years 10 months ago
2006
Springer
Image restoration is a keen problem of low level vision. In this paper, we propose a novel - assumption-free on the noise model - technique based on random walks for image enhancem...
DAGM
2006
Springer
13 years 11 months ago
2006
Springer
Ultrasound images are very noisy. Along with system noise, a significant noise source is the speckle phenomenon, caused by interference in the viewed object. Most past approaches f...
JMIV
2002
13 years 7 months ago
2002
In our recent work, a class of parametric transforms, including family of Haar-like transforms, was introduced and studied in application to image compression. Parametric Haar-lik...