29 search results - page 2 / 6 » Adaptive total variation deringing method for image interpol... |
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
This paper addresses the problem of the interpolation of 2-d spherical signals from non-uniformly sampled and noisy data. We propose a graph-based regularization algorithm to impr...
CF
2009
ACM
14 years 3 months ago
2009
ACM
The advent of new matrix-valued magnetic resonance imaging modalities such as Diffusion Tensor Imaging (DTI) requires extensive computational acceleration. Computational accelera...
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
In this paper, we present a novel image interpolation method based on variational models with both smoothing and orientation constraints. By introducing the orientation constraint...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
Super-resolution is an important but difficult problem in image/video processing. If a video sequence or some training set other than the given low-resolution image is available, ...
ISBI
2004
IEEE
14 years 9 months ago
2004
IEEE
Ultrasound images are corrupted by a multiplicative noise, the speckle, which makes high level analysis difficult. Within each resolution cell a number of elementary scatterers re...