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Projection processing for improved resolution and noise suppression of reconstructed images of computer tomography

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3 Author(s)
Donohue, K.D. ; Dept. of Elecxtr. & Comput. Eng., Drexel Univ., Philadelphia, PA, USA ; Bressler, J.M. ; Bilgutay, N.M.

A nonlinear digital filtering technique (median filtering) is suggested for processing the projections to reduce error without the distortion introduced by linear filtering. The rationale for the application of these filters is discussed. To compare the effectiveness of linear filtering and median filtering, computer simulations and further experiments are suggested. It is expected that median filters have potential to improve image quality beyond that of linear filtering, particularly for edge reproduction

Published in:

Bioengineering Conference, 1989., Proceedings of the 1989 Fifteenth Annual Northeast

Date of Conference:

27-28 Mar 1989

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