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187
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CVPR
2011
IEEE
15 years 3 months ago
2011
IEEE
We relax the long-held and problematic assumption in shape-from-shading (SFS) that albedo must be uniform or known, and address the problem of “shape and albedo from shading” ...
220
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CVPR
2012
IEEE
13 years 9 months ago
2012
IEEE
In this work a Gaussian Hidden Markov Model (GHMM) based automatic sign language recognition system is built on the SIGNUM database. The system is trained on appearance-based feat...
167
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SCALESPACE
2009
Springer
16 years 1 months ago
2009
Springer
In the context of shape and image modeling by manifold learning, we focus on the problem of denoising. A set of shapes or images being known through given samples, we capture its s...
191
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ECCV
2010
Springer
15 years 12 months ago
2010
Springer
Abstract. Image segmentation techniques typically require proper weighting of competing data fidelity and regularization terms. Conventionally, the associated parameters are set t...
174
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CVPR
2010
IEEE
15 years 11 months ago
2010
IEEE
Non-negative matrix factorization (NMF) is an excellent tool for unsupervised parts-based learning, but proves to be ineffective when parts of a whole follow a specific pattern. ...