Reconstruction and restoration methods in cone beam tomography

Harish P. Hiriyannaiah; Mohan Satyaranjan; K. R. Ramakrishnan

doi:10.1117/12.175070

11 May 1994 Reconstruction and restoration methods in cone beam tomography

Harish P. Hiriyannaiah, Mohan Satyaranjan, K. R. Ramakrishnan

Author Affiliations +

Proceedings Volume 2167, Medical Imaging 1994: Image Processing; (1994) https://doi.org/10.1117/12.175070
Event: Medical Imaging 1994, 1994, Newport Beach, CA, United States

Abstract

A method for 3D cone beam tomographic reconstruction from limited data has been developed. This method uses a modified form of convolution backprojection and projection onto convex sets for handling the limited data problem. Convex constraints applicable to cone beam projection data have been identified, and their associated projection operators have been used. The algorithm has been tested with simulated data for circular source point trajectory. The method however is independent of source point geometry, and will be useful in any limited view cone beam reconstruction.

Citation Download Citation

Harish P. Hiriyannaiah, Harish P. Hiriyannaiah, Mohan Satyaranjan, Mohan Satyaranjan, K. R. Ramakrishnan, K. R. Ramakrishnan, "Reconstruction and restoration methods in cone beam tomography", Proc. SPIE 2167, Medical Imaging 1994: Image Processing, (11 May 1994); doi: 10.1117/12.175070; https://doi.org/10.1117/12.175070

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