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- W2053258196 abstract "Correlographic image reconstruction, using pupil-plane intensity patterns generated by a coherently-illuminated object, has been simulated O and has successfully reproduced the density mask used to drive the simulation. We describe a set of experiments in which a physical object was illuminated, and detector-plane intensity readouts were used as the input to correlographic reconstruction software. The effects of dark current bias, finite analog-to-digital conversion error, and additive noise are evaluated. The correlogram construction process includes inward extrapolation for smoothing of the D.C. spike. The phase retrieval process includes annealing and median filtering. As compared with the simulated results, the experimental results show greater difficulty in convergence and a lower fidelity in the reconstructed image." @default.
- W2053258196 created "2016-06-24" @default.
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- W2053258196 date "1988-01-29" @default.
- W2053258196 modified "2023-10-05" @default.
- W2053258196 title "Image Reconstruction In The Presence Of Noise" @default.
- W2053258196 doi "https://doi.org/10.1117/12.942092" @default.
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