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Proceedings Paper

Exact image reconstruction from n-PI acquisition data in helical cone-beam CT
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Paper Abstract

In helical cone-beam computerized tomography, the data within the Tam-Danielsson window is sufficient for exact reconstruction of the images. In some practical situation, the projections outside the Tam-Danielsson window are available that indicate the data redundancy. In this work, we investigate image reconstruction on n-PI lines from data within n-PI window. We performed a preliminary numerical study, and the results in these studies shown that our algorithm can exactly reconstruct images from n-PI data.

Paper Details

Date Published: 29 April 2005
PDF: 5 pages
Proc. SPIE 5747, Medical Imaging 2005: Image Processing, (29 April 2005); doi: 10.1117/12.596128
Show Author Affiliations
Yu Zou, Univ. of Chicago (United States)
Xiaochuan Pan, Univ. of Chicago (United States)
Emil Sidky, Univ. of Chicago (United States)


Published in SPIE Proceedings Vol. 5747:
Medical Imaging 2005: Image Processing
J. Michael Fitzpatrick; Joseph M. Reinhardt, Editor(s)

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