Invited Paper: An Information-Theoretic Approach to Phase Retrieval

10.6186/IJIMS.2010.21.1.1

Hiroyuki Shioya；Yosuke Maehara；Shinya Watanabe；Kazutoshi Gohara

Phase Retrieval ； Information Divergence ； Iterative Algorithm

International Journal of Information and Management Sciences

21：1（2010 / 03 / 01）

1 - 11

英文

Phase problems arise from the lost Fourier phase in measuring the diffraction waves. Re-constructing the phase information using the diffraction pattern of a target object yields the target image, and it is called phase retrieval. This paper introduces an information-theoretic approach to phase retrieval based on information measures, and a refined derivation of the generalized phase retrieval algorithm based on the density power divergence is presented with a simple numerical example using the Poisson-noise-contaminated Fourier intensity.

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