5903 search results - page 121 / 1181 » Signal Processing |
115
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ICIP
2009
IEEE
16 years 6 months ago
2009
IEEE
We describe a framework for quantifying color image distortion based on an adaptive signal decomposition. Specifically, local blocks of the image error are decomposed using a set ...
153
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
The 2- 1 sparse signal minimization problem can be solved efficiently by gradient projection. In many applications, the signal to be estimated is known to lie in some range of va...
139
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
This paper considers the problem of weak signal detection in the presence of navigation data bits for Global Navigation Satellite System (GNSS) receivers. Typically, a set of part...
141
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ICASSP
2009
IEEE
15 years 11 months ago
2009
IEEE
Compressive sensing (CS) has been proposed for signals with sparsity in a linear transform domain. We explore a signal dependent unknown linear transform, namely the impulse respo...
131
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ICASSP
2008
IEEE
15 years 11 months ago
2008
IEEE
Classical sampling records the signal level at pre-determined time instances, usually uniformly spaced. An alternative implicit sampling model is to record the timing of pre-deter...