296 search results - page 33 / 60 » Weighted nonnegative matrix factorization |
ENGL
2008
13 years 7 months ago
2008
In biological sequence research, the positional weight matrix (PWM) is often used to search for putative transcription factor binding sites. A set of experimentally verified oligon...
SIAMSC
2010
13 years 6 months ago
2010
The emergence of multicore architectures and highly scalable platforms motivates the development of novel algorithms and techniques that emphasize concurrency and are tolerant of ...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
This paper describes a face detection approach via learning local features. The key idea is that local features, being manifested by a collection of pixels in a local region, are ...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
In this paper, we address the problem of hallucinating a high resolution face given a low resolution input face. The problem is approached through sparse coding. To exploit the fa...
ICANN
2007
Springer
14 years 1 months ago
2007
Springer
The hierarchical non-negative matrix factorization (HNMF) is a multilayer generative network for decomposing strictly positive data into strictly positive activations and base vect...