488 search results - page 47 / 98 » Blind Compressed Sensing |
145
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CVPR
2006
IEEE
15 years 7 months ago
2006
IEEE
Outdoor imaging is plagued by poor visibility conditions due to atmospheric scattering, particularly in haze. A major problem is spatially-varying reduction of contrast by stray r...
137
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CORR
2010
Springer
15 years 3 months ago
2010
Springer
Spectral clustering is one of the most widely used techniques for extracting the underlying global structure of a data set. Compressed sensing and matrix completion have emerged a...
153
Voted
ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
In this paper, we consider power spectral density estimation of bandlimited, wide-sense stationary signals from sub-Nyquist sampled data. This problem has recently received attent...
121
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DCC
2010
IEEE
15 years 10 months ago
2010
IEEE
We introduce Xampling, a design methodology for analog compressed sensing in which we sample analog bandlimited signals at rates far lower than Nyquist, without loss of informatio...
127
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ICIP
2000
IEEE
16 years 5 months ago
2000
IEEE
Among the many techniques available for informationconcealment, those based on spread spectrummodulationshave proven to yield improved results when robustness against attack is at...