555 search results - page 14 / 111 » Sparse Topical Coding |
IDA
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, an algorithm for image coding based on a sparse 3-dimensional Discrete Cosine Transform (3D DCT) is studied. The algorithm is essentially a method for achieving a su...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
Palm lines are the most important features for palmprint recognition. They are best considered as typical multiscale features, where the principal lines can be represented at a la...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
In this paper, we propose a novel supervised hierarchical sparse coding model based on local image descriptors for classification tasks. The supervised dictionary training is perf...
DMIN
2009
13 years 5 months ago
2009
In high dimensional data sets not all dimensions contain an equal amount of information and most of the time global features are more important than local differences. This makes ...
AAAI
2012
11 years 10 months ago
2012
In this paper, a new convex matching pursuit scheme is proposed for tackling large-scale sparse coding and subset selection problems. In contrast with current matching pursuit alg...