111 search results - page 1 / 23 » Discriminative K-SVD for Dictionary Learning in Face Recogni... |
CVPR
2010
IEEE
13 years 8 months ago
2010
IEEE
In a sparse-representation-based face recognition scheme, the desired dictionary should have good representational power (i.e., being able to span the subspace of all faces) while...
CVPR
2011
IEEE
13 years 1 months ago
2011
IEEE
A label consistent K-SVD (LC-KSVD) algorithm to learn a discriminative dictionary for sparse coding is presented. In addition to using class labels of training data, we also assoc...
CVPR
2008
IEEE
13 years 5 months ago
2008
IEEE
We propose a joint representation and classification framework that achieves the dual goal of finding the most discriminative sparse overcomplete encoding and optimal classifier p...
CVPR
2012
IEEE
11 years 7 months ago
2012
IEEE
A greedy-based approach to learn a compact and discriminative dictionary for sparse representation is presented. We propose an objective function consisting of two components: ent...
ICPR
2008
IEEE
13 years 11 months ago
2008
IEEE
Visual dictionaries are widely employed in object recognition to map unordered bags of local region descriptors into feature vectors for image classification. Most visual dictiona...