239 search results - page 17 / 48 » Document clustering using nonnegative matrix factorization |
ICCV
2005
IEEE
14 years 10 months ago
2005
IEEE
We introduce an algorithm for a non-negative 3D tensor factorization for the purpose of establishing a local parts feature decomposition from an object class of images. In the pas...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
We propose an unsupervised method for evaluating image segmentation. Common methods are typically based on evaluating smoothness within segments and contrast between them, and the...
ICASSP
2011
IEEE
13 years 11 days ago
2011
IEEE
In this paper we present a new technique for monaural source separation in musical mixtures, which uses the knowledge of the musical score. This information is used to initialize ...
CVPR
2010
IEEE
13 years 8 months ago
2010
IEEE
It has been of great interest to find sparse and/or nonnegative representations in computer vision literature. In this paper we propose a novel method to such a purpose and refer...
ICML
2010
IEEE
13 years 9 months ago
2010
IEEE
Recent research in machine learning has focused on breaking audio spectrograms into separate sources of sound using latent variable decompositions. These methods require that the ...