495 search results - page 22 / 99 » Sparse representation algorithms based on mean-field approxi... |
CVPR
2005
IEEE
16 years 2 days ago
2005
IEEE
Automatic image categorization using low-level features is a challenging research topic in computer vision. In this paper, we formulate the image categorization problem as a multi...
CVPR
2012
IEEE
13 years 14 days ago
2012
IEEE
Recently sparse representation has been applied to visual tracker by modeling the target appearance using a sparse approximation over a template set, which leads to the so-called ...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Alternating optimization algorithms for canonical polyadic decomposition (with/without nonnegative constraints) often accompany update rules with low computational cost, but could...
ICA
2010
Springer
14 years 10 months ago
2010
Springer
The problem of estimating a sparse channel, i.e. a channel with a few non-zero taps, appears in many fields of communication including acoustic underwater or wireless transmissions...
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CGF
2011
14 years 1 months ago
2011
Bidirectional texture functions (BTFs) represent the appearance of complex materials. Three major shortcomings with BTFs are the bulky storage, the difficulty in editing and the ...