20 search results - page 1 / 4 » Regularized split gradient method for nonnegative matrix fac... |
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This article deals with a regularized version of the split gradient method (SGM), leading to multiplicative algorithms. The proposed algorithm is available for the optimization of...
BIOID
2008
2008
Discriminant Non-negative Matrix Factorization and Projected Gradients for Frontal Face Verification
13 years 6 months ago
A novel Discriminant Non-negative Matrix Factorization (DNMF) method that uses projected gradients, is presented in this paper. The proposed algorithm guarantees the algorithm'...
IPM
2006
13 years 4 months ago
2006
A methodology for automatically identifying and clustering semantic features or topics in a heterogeneous text collection is presented. Textual data is encoded using a low rank no...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This paper deals with the minimum polyadic decomposition of a nonnegative three-way array. The main advantage of the nonnegativity constraint is that the approximation problem bec...
AAAI
2010
13 years 6 months ago
2010
Partially Observable Markov Decision Processes (POMDPs) are a well-established and rigorous framework for sequential decision-making under uncertainty. POMDPs are well-known to be...