55 search results - page 2 / 11 » Total-variation regularization with bound constraints |
ISBI
2009
IEEE
14 years 2 months ago
2009
IEEE
We propose a reconstruction scheme adapted to MRI that takes advantage of a sparsity constraint in the wavelet domain. We show that artifacts are significantly reduced compared t...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Algorithms based on the minimization of the Total Variation are prevalent in computer vision. They are used in a variety of applications such as image denoising, compressive sensi...
TIP
2010
13 years 2 months ago
2010
Much research has been devoted to the problem of restoring Poissonian images, namely for medical and astronomical applications. However, the restoration of these images using state...
NIPS
2008
13 years 9 months ago
2008
This work characterizes the generalization ability of algorithms whose predictions are linear in the input vector. To this end, we provide sharp bounds for Rademacher and Gaussian...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We present a new algorithm for bound-constrained totalvariation (TV) regularization that in comparison with its predecessors is simple, fast, and flexible. We use a splitting app...