291 search results - page 34 / 59 » The Convergence of Contrastive Divergences |
122
Voted
ICA
2007
Springer
16 years 7 days ago
2007
Springer
A common problem in independent component analysis after prewhitening is to optimize some contrast on the orthogonal or unitary group. A popular approach is to optimize the contras...
152
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ICCV
2009
IEEE
16 years 11 months ago
2009
IEEE
In this work we revisit the Mumford-Shah functional, one
of the most studied variational approaches to image segmentation.
The contribution of this paper is to propose an
algori...
160
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ICIP
2009
IEEE
16 years 7 months ago
2009
IEEE
We propose a fully automated variation of the GrabCut technique for segmenting comparatively simple images with little variation in background colour and relatively high contrast ...
117
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MICCAI
2003
Springer
16 years 7 months ago
2003
Springer
Abstract. We propose a method for automatically correcting the spherical topology of any segmentation under any digital connectivity. A multiple region growing process, concurrentl...
157
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ICML
2004
IEEE
16 years 6 months ago
2004
IEEE
We present a generalization of the nonnegative matrix factorization (NMF), where a multilayer generative network with nonnegative weights is used to approximate the observed nonne...