Conjugate Gradient Iterative Hard Thresholding: Observed Noise Stability for Compressed Sensing
Conjugate Gradient Iterative Hard Thresholding (CGIHT) for compressed sensing combines the low per iteration complexity of fast greedy sparse approximation algorithms with the improved convergence rates of more complicated, projection based algorithms. This article shows that CGIHT is robust to addi...
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IEEE International Symposium on Information Theory
2014
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