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Phase Retrieval via Matrix Completion
Diffraction Fourier transform convex optimization trace-norm minimization
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2015/6/17
This paper develops a novel framework for phase retrieval, a problem which arises in X-ray crystallography, diffraction imaging, astronomical imaging and many other applications. Our approach, called ...
Phase Retrieval from Coded Diffraction Patterns
Phase Retrieval Coded Diffraction Patterns
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2015/6/17
This paper considers the question of recovering the phase of an object from intensity-only measurements, a problem which naturally appears in X-ray crystallography and related disciplines. We study a ...
Phase Retrieval via Wirtinger Flow:Theory and Algorithms
Phase Retrieval Wirtinger Flow Theory Algorithms
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2015/6/17
We study the problem of recovering the phase from magnitude measurements; specifically, we wish to reconstruct a complex-valued signal x ∈ Cn about which we have phaseless samples of the form yr = ∣&#...
Quantitative phase retrieval in transmission hard x-ray microscope
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2011/11/24
Quantitative phase retrieval with a sub-100-nm resolution is achieved from micrographs of a zone plate based transmission x-ray microscope. A plastic zone plate containing objects of sizes from microm...