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Comments on "A cone-beam filtered backprojection reconstruction algorithm for cardiac single photon emission computed tomography" by G. T. Gullberg and G. L. Zeng

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2 Author(s)
Wang, G. ; Dept. of Electr. & Comput. Eng., State Univ. of New York, Buffalo, NY, USA ; Lin, T.H.

In the above-titled work by G. T. Gullberg and G. L. Zeng (ibid., vol.11, no.1, p.91-101, 1992), a fan-beam reconstruction formula of a noncircular scanning locus was derived and extended for half-scan cone-beam reconstruction. However, the reconstruction formula is not exact mathematically unless a necessary condition is satisfied. In this correspondence, the commenters derive this necessary condition and provide a geometrical explanation of the condition.<>

Published in:

Medical Imaging, IEEE Transactions on  (Volume:12 ,  Issue: 2 )

Date of Publication:

June 1993

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