117 search results - page 16 / 24 » Sparse reconstruction by separable approximation |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
In spite of the success of the standard wavelet transform (WT) in image processing, the efficiency of its representation is limited by the spatial isotropy of its basis functions ...
STACS
2007
Springer
14 years 1 months ago
2007
Springer
We consider the problem of computing an approximate minimum cycle basis of an undirected non-negative edge-weighted graph G with m edges and n vertices; the extension to directed ...
SCIA
2009
Springer
14 years 2 months ago
2009
Springer
Many computer vision problems can be formulated as low rank bilinear minimization problems. One reason for the success of these problems is that they can be efficiently solved usin...
ICA
2007
Springer
13 years 11 months ago
2007
Springer
Non-negative spectrogram factorization has been proposed for single-channel source separation tasks. These methods operate on the magnitude or power spectrogram of the input mixtur...
ISBI
2004
IEEE
14 years 8 months ago
2004
IEEE
The techniques described in this paper allow multiscale photon-limited image reconstruction methods to be implemented with significantly less computational complexity than previou...