19 search results - page 3 / 4 » Parallel coordinate descent methods for big data optimizatio... |
ICDM
2008
IEEE
14 years 24 days ago
2008
IEEE
Nonnegative Matrix Factorization (NMF) is a dimension reduction method that has been widely used for various tasks including text mining, pattern analysis, clustering, and cancer ...
MICCAI
2009
Springer
14 years 7 months ago
2009
Springer
High angular resolution diffusion imaging (HARDI) has become an important magnetic resonance technique for in vivo imaging. Current techniques for estimating the diffusion orientat...
NIPS
2008
13 years 7 months ago
2008
It has been shown that the problem of 1-penalized least-square regression commonly referred to as the Lasso or Basis Pursuit DeNoising leads to solutions that are sparse and there...
CIMAGING
2008
13 years 7 months ago
2008
Medical imaging typically requires the reconstruction of a limited region of interest (ROI) to obtain a high resolution image of the anatomy of interest. Although targeted reconst...
ICPR
2010
IEEE
13 years 6 months ago
2010
IEEE
—In this paper we propose an approach for the problem of single channel source separation of speech and music signals. Our approach is based on representing each source’s power...