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Figure 1
(a) Simulated phantom for illustration of the phase-retrieval approach. (b) Retrieved phase map using the variable-distance approach. (c) Retrieved phase map using the multi-wavelength approach. (d) Retrieved phase map using the multi-wavelength approach with 0.2% additive noise. (e) Retrieved phase map using the multi-wavelength approach with 0.5% additive noise. (f) Plot of normalized-mean square error (NMSE) (%) as a function of peak-to-peak signal-to-noise ratio (PPSNR) (dB).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 6| September 2010| Pages 799-803
doi:10.1107/S0909049510028311
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