1582 search results - page 114 / 317 » On sparse signal representations |
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SIAMSC
2008
15 years 6 months ago
2008
Abstract. In this paper, we empirically investigate the NP-hard problem of finding sparsest solutions to linear equation systems, i.e., solutions with as few nonzeros as possible. ...
184
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PAMI
2012
13 years 8 months ago
2012
—We introduce a simple image descriptor referred to as the image signature. We show, within the theoretical framework of sparse signal mixing, that this quantity spatially approx...
141
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MICCAI
2009
Springer
16 years 7 months ago
2009
Springer
Abstract. We present a novel computational framework for characterizing signal in brain images via nonlinear pairing of critical values of the signal. Among the astronomically larg...
166
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RAS
2007
15 years 5 months ago
2007
Range measuring sensors can play an extremely important role in robot navigation. All range measuring devices rely on a ‘detection criterion’ made in the presence of noise, to...
155
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ICIP
2008
IEEE
16 years 7 months ago
2008
IEEE
Multispectral scene information is useful for radiometric graphics, material identification and imaging systems simulation. The multispectral scene can be described as a datacube,...