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Figure 3
A comparison of DPC and ptychography from a coccolith sample. Top row left, ptychography phase image; middle, DPC phase image; right, DPC high-pass-filtered image. Bottom: comparison of phase line profile (indicated on phase images by a horizontal line) from DPC and ptychography. Note that the line profile from the ptychography has been offset to overlay with the start and end of the DPC line profile. No phase ramp removal was used on the images. The images are similar, albeit with stripes in the DPC, but the higher resolution of ptychography improves contrast in the depressions of the coccolith.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 1| January 2023| Pages 200-207
https://doi.org/10.1107/S1600577522010633
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