149 search results - page 16 / 30 » Unsupervised learning of visual taxonomies |
173
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CVPR
2008
IEEE
16 years 7 months ago
2008
IEEE
This paper addresses the problem of recovering 3D human pose from a single monocular image, using a discriminative bag-of-words approach. In previous work, the visual words are le...
217
Voted
CVPR
2009
IEEE
17 years 25 days ago
2009
IEEE
In this paper, we propose a novel approach for learning generic visual vocabulary. We use diffusion maps to au-tomatically learn a semantic visual vocabulary from ab-undant quantiz...
199
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CVPR
2012
IEEE
13 years 8 months ago
2012
IEEE
In real-world applications of visual recognition, many factors—such as pose, illumination, or image quality—can cause a significant mismatch between the source domain on whic...
165
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MM
2005
ACM
15 years 11 months ago
2005
ACM
Latent Semantic Analysis (LSA) has shown encouraging performance for the problem of unsupervised image automatic annotation. LSA conducts annotation by keywords propagation on a l...
149
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CVPR
2005
IEEE
16 years 7 months ago
2005
IEEE
We address the problem of temporal unusual event detection. Unusual events are characterized by a number of features (rarity, unexpectedness, and relevance) that limit the applica...