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Considerations for high-magnification high-cone-angle helical micro-CT

Varslot, Trond; Kingston, Andrew; Myers, Glenn; Sheppard, Adrian


This paper is motivated by our groups recent move from a conventional micro-CT system with a circular source- trajectory, to that with with a helical source-trajectory. By using a helix we can now image well beyond the limiting cone-angle of 10 degrees for a circle. We routinely perform micro-CT with cone-angles greater than 50° by using the Katsevich theoretically-exact reconstruction algorithm. Imaging with such large cone-angles enables high-signal-to-noise-ratio imaging but requires the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Proceedings of SPIE - International Society for Optical Engineering
DOI: 10.1117/12.929304


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