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CORR
2010
Springer
14 years 9 months ago
2010
Springer
Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particul...
72
Voted
ICML
2004
IEEE
15 years 10 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...
VC
2008
14 years 9 months ago
2008
Existing techniques for fast, high-quality rendering of translucent materials often fix BSSRDF parameters at precomputation time. We present a novel method for accurate rendering a...
IJCV
2006
14 years 9 months ago
2006
In this paper a method for fitting open surfaces to data obtained from images is presented using a level set representation of the surface. This is done by tracking a curve, repres...
69
Voted
ICIP
1998
IEEE
15 years 11 months ago
1998
IEEE
This paper describes e cient and optimal encoding and representation of object contours. Contours are approximated by connected second-order spline segments, each de ned by three ...