[5] H. Chapman, K. Nugent. Coherent lensless X-ray imaging. Nat. Photonics, 4, 833(2010).
[20] J. R. Fienup. Phase retrieval algorithms: a comparison. Opt. Lett., 3, 27(1978).
[22] V. Elser. Phase retrieval by iterated projections. Opt. Soc. Am. A, 20, 40(2003).