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Extended cone-beam reconstruction using Radon transform

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2 Author(s)
Kudo, H. ; Inst. of Inf. Sci. & Electron., Tsukuba Univ., Japan ; Saito, T.

We extend Grangeat's formula (1991) so that partially measured cone-beam projections can be incorporated into image reconstruction in a successful way. The extension is based on a simple fact that multiple partially measured projections may be combined to compute the 3-D Radon data inaccessible from any single orbit point. Furthermore, we show a few examples for which Grangeat's formula does not provide a method for exact reconstruction but the extended formula does

Published in:

Nuclear Science Symposium, 1996. Conference Record., 1996 IEEE  (Volume:3 )

Date of Conference:

2-9 Nov 1996