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Augmented projectio...
Augmented projections for ptychographic imaging
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Marchesini, Stefano (författare)
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Schirotzek, Andre (författare)
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Yang, Chao (författare)
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Wu, Hau-tieng (författare)
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- Maia, Filipe (författare)
- NERSC, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
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(creator_code:org_t)
- 2013-10-03
- 2013
- Engelska.
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Ingår i: Inverse Problems. - : IOP Publishing. - 0266-5611 .- 1361-6420. ; 29:11, s. 115009-
- Relaterad länk:
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http://stacks.iop.or...
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Ptychography is a popular technique to achieve diffraction limited resolution images of a two- or three-dimensional sample using high frame rate detectors. We introduce a relaxation of common projection algorithms to account for instabilities given by intensity and background fluctuations, position errors, or poor calibration using multiplexing illumination. This relaxation introduces an additional phasing optimization at every step that enhances the convergence rate of common projection algorithms. Numerical tests exhibit the exact recovery of the object and the perturbations when there is high redundancy in the data.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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