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Wavelet filtering algorithm for fan-beam CT

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3 Author(s)
Shiying Zhao ; Dept. of Math. & Comput. Sci., Missouri Univ., St. Louis, MO, USA ; Ge Wang ; Jiang Hsich

To date, all wavelet computed tomography (CT) work has been based on the assumption of a parallel-beam geometry. The authors directly formulate wavelet CT based on the fan-beam geometry, using recently developed theory for wavelet filtering in filtered backprojection. Experiments with clinical raw projection data demonstrate the feasibility and utility of the approach

Published in:

Electronics Letters  (Volume:34 ,  Issue: 25 )