561 search results - page 34 / 113 » Algorithms and applications for approximate nonnegative matr... |
ISCAS
2008
IEEE
14 years 1 months ago
2008
IEEE
— Non-negative Matrix factorization (NMF) has increasingly been used as a tool in signal processing in the last couple of years. NMF, like independent component analysis (ICA) is...
JC
2007
13 years 7 months ago
2007
We study the complexity of approximating the smallest eigenvalue of −∆ + q with Dirichlet boundary conditions on the d-dimensional unit cube. Here ∆ is the Laplacian, and th...
DAGSTUHL
2007
13 years 9 months ago
2007
We examine the question of solving the extinction probability of a particular class of continuous-time multi-type branching processes, named Markovian binary trees (MBT). The exti...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We present an algorithm for dereverberation of speech signals for automatic speech recognition (ASR) applications. Often ASR systems are presented with speech that has been record...
ISPD
1997
ACM
13 years 11 months ago
1997
ACM
— In this paper, we consider the thermal placement problem for gate arrays. We introduce a new combinatorial optimization problem, matrix synthesis problem (MSP), to model the th...