This paper considers the phase retrieval problem in which measurements consist of only the magnitude of several linear measurements of the unknown, e.g., spectral components of a time sequence. We develop low-complexity algorithms with superior performance based on the majorization-minimization (MM) framework. The proposed algorithms are referred to as PRIME: Phase Retrieval vIa the Majorization-minimization techniquE. They are preferred to existing benchmark methods since at each iteration a simple surrogate problem is solved with a closed-form solution that monotonically decreases the original objective function. In total, three algorithms are proposed using different majorization-minimization techniques. Experimental results validate that our algorithms outperform existing methods in terms of successful recovery and mean-square error under various settings.
PRIME: Phase Retrieval via Majorization-Minimization
Published 2015 in IEEE Transactions on Signal Processing
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- Publication year
2015
- Venue
IEEE Transactions on Signal Processing
- Publication date
2015-11-05
- Fields of study
Mathematics, Computer Science, Engineering
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