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Figure 3
Single-distance phase-retrieval approaches to cellular imaging. (a) Processed hologram of a single macrophage, i.e. showing the raw hologram after stripe removal, empty-beam correction and background equalization. (b) PSDs of all following reconstructions. (c) `Paganin' reconstruction based on the near-field TIE. (d) Holographic reconstruction based on back-propagation of the measured intensities. (e) CTF-based reconstruction with homogeneity assumption. (f) Iterative HIO reconstruction with automatically determined support and pure-phase constraints. All scale bars denote 5 µm.

ISSN: 2053-2733
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