Sparsity assisted solution to the twin image problem in phase retrieval

13 Jul 2015Charu GaurBaranidharan MohanKedar Khare

The iterative phase retrieval problem for complex-valued objects from Fourier transform magnitude data is known to suffer from the twin image problem. In particular, when the object support is centro-symmetric, the iterative solution often stagnates such that the resultant complex image contains the features of both the desired solution and its inverted and complex-conjugated replica... (read more)

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