780 search results - page 51 / 156 » Stability of fast algorithms for structured linear systems |
121
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. An iterative method LSMR is presented for solving linear systems Ax = b and leastsquares problem min Ax - b 2, with A being sparse or a fast linear operator. LSMR is base...
136
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TSP
2008
15 years 4 months ago
2008
In a variety of signal processing and communications contexts, erasures occur inadvertently or can be intentionally introduced as part of a data reduction strategy. This paper disc...
139
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ICIP
2004
IEEE
16 years 5 months ago
2004
IEEE
The goal of this work is to find a fast method for motion estimation and motion segmentation. We chose to decompose the motion on a basis functions. That allows us to compute the ...
145
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CVPR
2010
IEEE
16 years 9 days ago
2010
IEEE
Image matting is of great importance in both computer vision and graphics applications. Most existing state-of-the-art techniques rely on large sparse matrices such as the matting ...
155
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MICCAI
2006
Springer
16 years 5 months ago
2006
Springer
Abstract. This study presents a novel automatic approach for the identification of anatomical brain structures in magnetic resonance images (MRI). The method combines a fast multis...