477 search results - page 85 / 96 » Algorithms for Non-negative Matrix Factorization |
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
We introduce a general formulation, called non-negative graph embedding, for non-negative data decomposition by integrating the characteristics of both intrinsic and penalty graph...
STOC
2009
ACM
14 years 8 months ago
2009
ACM
We consider the following question: given a two-argument boolean function f, represented as an N ? N binary matrix, how hard is to determine the (deterministic) communication comp...
ISCAS
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper, a perturbation analysis of two subspace-based semi-blind MIMO channel estimation approaches is conducted. Our analysis shows that, in the noise-free case, the wh...
SIPS
2007
IEEE
14 years 1 months ago
2007
IEEE
OFDM demodulation under fast fading radio channels is very computationally demanding, making the implementation of Software Defined Radio (SDR) solutions problematic. A suboptima...
ICDM
2005
IEEE
14 years 1 months ago
2005
IEEE
Collaborative filtering-based recommender systems, which automatically predict preferred products of a user using known preferences of other users, have become extremely popular ...