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On a Derivative-Free Fan-Beam Reconstruction Formula

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2 Author(s)
Ge Wang ; Biomed. Imaging Div., Wake Forest Univ., Winston-Salem, NC, USA ; Yuchuan Wei

We clarify that the derivative-free fan-beam reconstruction formula [IEEE Trans. Image Process. 2, 543-547, 1993] only allows exact reconstruction of an object for a circular trajectory or at the origin of the coordinate system for a radially symmetric noncircular trajectory.

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Image Processing, IEEE Transactions on  (Volume:20 ,  Issue: 4 )