59 search results - page 9 / 12 » A Weighted Non-Negative Matrix Factorization for Local Repre... |
ICIAP
2005
ACM
14 years 7 months ago
2005
ACM
In order for a subspace projection based method to be robust to local distortion and partial occlusion, the basis images generated by the method should exhibit a part-based local r...
ICML
2004
IEEE
14 years 8 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...
NIPS
2004
13 years 9 months ago
2004
We show how to build hierarchical, reduced-rank representation for large stochastic matrices and use this representation to design an efficient algorithm for computing the largest...
CIDM
2007
IEEE
14 years 1 months ago
2007
IEEE
— The extension approach of frequent itemset mining can be applied to discover the relations among documents. Several schemes, i.e., n-gram, stemming, stopword removal and term w...
HVEI
2010
13 years 9 months ago
2010
Perceptual image distortion measures can play a fundamental role in evaluating and optimizing imaging systems and image processing algorithms. Many existing measures are formulate...