144 search results - page 6 / 29 » Sparsity in time-frequency representations |
ICCV
2009
IEEE
16 years 1 months ago
2009
IEEE
Graph-based semi-supervised learning has gained considerable
interests in the past several years thanks to its effectiveness
in combining labeled and unlabeled data through
labe...
DCC
2007
IEEE
15 years 9 months ago
2007
IEEE
In this paper we propose a new motion compensated prediction technique that enables successful predictive encoding during fades, blended scenes, temporally decorrelated noise, and...
CVPR
2010
IEEE
15 years 5 months ago
2010
IEEE
Automatically assigning relevant text keywords to images is an important problem. Many algorithms have been proposed in the past decade and achieved good performance. Efforts have...
PR
2010
14 years 8 months ago
2010
: Dimensionality reduction methods (DRs) have commonly been used as a principled way to understand the high-dimensional data such as face images. In this paper, we propose a new un...
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper, we propose a novel approach to model shape variations. It encodes sparsity, exploits geometric redundancy, and accounts for the different degrees of local variation...