28 search results - page 1 / 6 » Redundant image representations in security applications |
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
To be efficient, data protection algorithms should generally exploit the properties of the media information in the transform domain. In this paper, we will advocate the use of no...
SIAMIS
2008
13 years 4 months ago
2008
Modeling signals by sparse and redundant representations has been drawing considerable attention in recent years. Coupled with the ability to train the dictionary using signal exam...
TIP
2008
13 years 4 months ago
2008
Abstract--Sparse representations of signals have drawn considerable interest in recent years. The assumption that natural signals, such as images, admit a sparse decomposition over...
CVPR
2008
IEEE
14 years 6 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...
ICIP
2007
IEEE
13 years 4 months ago
2007
IEEE
1 For the image classification task, the color histogram is widely used as an important color feature indicating the content of the image. However, the high-resolution color histog...