495 search results - page 92 / 99 » Sparse representation algorithms based on mean-field approxi... |
ICIP
2009
IEEE
15 years 11 months ago
2009
IEEE
State-of-the-art object retrieval systems are mostly based on the bag-of-visual-words representation which encodes local appearance information of an image in a feature vector. A ...
ICB
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. Most of gait recognition algorithms involve walking cycle estimation to accomplish signature matching. However, we may be plagued by two cycle-related issues when develop...
102
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ECML
2005
Springer
15 years 3 months ago
2005
Springer
This paper investigates a novel model-free reinforcement learning architecture, the Natural Actor-Critic. The actor updates are based on stochastic policy gradients employing Amari...
114
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AMFG
2003
IEEE
15 years 3 months ago
2003
IEEE
In this paper, we propose the concept of Manifold of Facial Expression based on the observation that images of a subject’s facial expressions define a smooth manifold in the hig...
CAV
2001
Springer
15 years 2 months ago
2001
Springer
Regular languages have proved useful for the symbolic state exploration of infinite state systems. They can be used to represent infinite sets of system configurations; the tran...