263 search results - page 31 / 53 » Spatial Weighting for Bag-of-Features |
NECO
2010
14 years 8 months ago
2010
We consider a hierarchical two-layer model of natural signals in which both layers are learned from the data. Estimation is accomplished by Score Matching, a recently proposed est...
116
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PCM
2010
Springer
14 years 8 months ago
2010
Springer
Abstract. We present a new shape descriptor for measuring the similarity between shapes and exploit it in graphical object recognition and retrieval. By statistically integrating t...
105
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ICRA
2009
IEEE
14 years 7 months ago
2009
IEEE
Color-based tracking methods have proved to be efficient for their robustness qualities. The drawback of such global representation of an object is the lack of information on its s...
MMAS
2010
Springer
14 years 4 months ago
2010
Springer
In this paper, we study domain decomposition preconditioners for multiscale flows in high contrast media. Our problems are motivated by porous media applications where low conduct...
114
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CVPR
2009
IEEE
16 years 4 months ago
2009
IEEE
State of the art methods for image and object re-
trieval exploit both appearance (via visual words) and
local geometry (spatial extent, relative pose). In large
scale problems,...