Iterative 3-D Reconstruction Of Vascular Images From A Few Views: Phantom Study Results

G. M. Mawko; T. M. Peters

doi:10.1117/12.966673

Abstract

Iterative 3-d reconstruction of images from a few projections for application in Digital Subtraction Angiography of cerebral blood vessels is investigated. The method reconstructs a 3-d vascular network in a series of 2-d sections by filtered back-projection and summation of the projections followed by non-linear iterative deconvolution of the filtered-summated image. The reconstruction method is tested on a 3-d wire phantom resembling vasculature. Four to eight projections are used as input, where each projection is separated by rotation and is assumed to represent a projected stack of mutually parallel axial sections. The results show that given at least 4 projections there is sufficient detail in the reconstructed phantom to determine the location of major structures.

Citation Download Citation

G. M. Mawko, T. M. Peters, "Iterative 3-D Reconstruction Of Vascular Images From A Few Views: Phantom Study Results", Proc. SPIE 0671, Physics and Engineering of Computerized Multidimensional Imaging and Processing, (1 January 1986); doi: 10.1117/12.966673; https://doi.org/10.1117/12.966673

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