188 search results - page 2 / 38 » Estimation error bounds for denoising by sparse approximatio... |
MP
2010
13 years 3 months ago
2010
Convex optimization problems arising in applications, possibly as approximations of intractable problems, are often structured and large scale. When the data are noisy, it is of i...
SIAMNUM
2010
13 years 1 days ago
2010
Hyperbolic cross approximations by some classical orthogonal polynomials/functions in both bounded and unbounded domains are considered in this paper. Optimal error estimates in pr...
TIP
2010
13 years 3 months ago
2010
—Image denoising has been a well studied problem in the field of image processing. Yet researchers continue to focus attention on it to better the current state-of-the-art. Rece...
ICPR
2008
IEEE
13 years 11 months ago
2008
IEEE
Frames of videos with static background and dynamic foreground can be viewed as samples of signals that vary slowly in time with sparse corruption caused by foreground objects. We...
ICIP
2010
IEEE
13 years 3 months ago
2010
IEEE
In [1], we derived an expression for the fundamental limit to image denoising assuming that the noise-free image is available. In this paper, we propose an estimator for the bound...