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- W2155549765 abstract "We consider signals that follow a parametric dis- tribution where the parameter values are unknown. To estimate such signals from noisy measurements in scalar channels, we study the empirical performance of an empirical Bayes (EB) approach and a full Bayes (FB) approach. We then apply EB and FB to solve compressed sensing (CS) signal estimation problems by successively denoising a scalar Gaussian channel within an approximate message passing (AMP) framework. Our numerical results show that FB achieves better performance than EB in scalar channel denoising problems when the signal dimension is small. In the CS setting, the signal dimension must be large enough for AMP to work well; for large signal dimensions, AMP has similar performance with FB and EB." @default.
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- W2155549765 date "2014-05-08" @default.
- W2155549765 modified "2023-09-22" @default.
- W2155549765 title "Empirical Bayes and Full Bayes for Signal Estimation" @default.
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