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Title: On the "unreasonable" effectiveness of transport of intensity imaging and optical deconvolution
Contributor(s): Gureyev, Timur  (author)orcid ; Nesterets, Yakov  (author); Kozlov, Alexander (author); Paganin, David M (author); Quiney, Harry M (author)
Publication Date: 2017
Open Access: Yes
DOI: 10.1364/josaa.34.002251Open Access Link
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Abstract: The effectiveness of reconstructive imaging using the homogeneous transport of intensity equation may be regarded as "unreasonable," because it has been shown to significantly increase signal-to-noise ratio while preserving spatial resolution, compared to equivalent conventional absorption-based imaging techniques at the same photon fluence. We reconcile this surprising behavior by analyzing the propagation of noise in typical in-line holography experiments. This analysis indicates that novel imaging techniques may be designed that produce high signal-to-noise images at low radiation doses without sacrificing spatial resolution.
Publication Type: Journal Article
Source of Publication: Optical Society of America. Journal A: Optics, Image Science, and Vision, 34(12), p. 2251-2260
Publisher: Optical Society of America
Place of Publication: United States of America
ISSN: 1520-8532
Field of Research (FOR): 020501 Classical and Physical Optics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
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