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Virtual multi-alignment theory of parallel-beam CT image reconstruction for elastic objects.


ABSTRACT: In parallel-beam tomography, the virtual alignment method plays an important role in obtaining an ideally aligned reconstruction of a rigid specimen. Furthermore, the method has been developed for elastic specimens with specific motions such as periodic motion, regular expansion or contraction, and elliptical expansion or contraction to obtain a sinogram with an ideal sinogram pattern by transforming an elastic-type projection image set into a rigid-type projection image set satisfying the Helgason-Ludwig consistency condition. In this article, we present a method to convert a combined elastic specimen to a rigid specimen using the virtual multi-alignment method that allows us to obtain an ideally multi-aligned reconstruction of a combined elastic specimen.

SUBMITTER: Jun K 

PROVIDER: S-EPMC6497627 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Virtual multi-alignment theory of parallel-beam CT image reconstruction for elastic objects.

Jun Kyungtaek K   Jung Joeun J  

Scientific reports 20190502 1


In parallel-beam tomography, the virtual alignment method plays an important role in obtaining an ideally aligned reconstruction of a rigid specimen. Furthermore, the method has been developed for elastic specimens with specific motions such as periodic motion, regular expansion or contraction, and elliptical expansion or contraction to obtain a sinogram with an ideal sinogram pattern by transforming an elastic-type projection image set into a rigid-type projection image set satisfying the Helga  ...[more]

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