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Volume image reconstruction from a straight-line source trajectory

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3 Author(s)
Sidky, E.Y. ; Dept. of Radiol., Chicago Univ., IL ; Zou, Yu ; Xiaochuan Pan

In cone-beam computed tomography (CT) it is theoretically possible to obtain exact volume image reconstruction using an infinite line X-ray source trajectory. An approximate reconstruction algorithm, based on the infinite line trajectory, is derived for finite length linear scanning. Such a configuration may prove useful for medical imaging, and for industrial purposes. The finite line configuration is compared with results for the widely used circular, cone-beam scan

Published in:

Nuclear Science Symposium Conference Record, 2005 IEEE  (Volume:5 )

Date of Conference:

23-29 Oct. 2005