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Proceedings Paper

Three Dimensional (3-D) Reconstruction With Cone Beam Geometry Applied To Nuclear Medicine Imaging
Author(s): Jiansheng Zheng; James A. Patton; David R. Pickens; Paul H. King; Ronald R. Price
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Paper Abstract

A convolution-backprojection algorithm for fully 3-D reconstruction from cone beam projections was developed and implemented on an ADAC 3300 nuclear medicine computer system interfaced to a rotating scintillation camera with a pinhole collimator. As an approxima-tion, a space-invariant filter was applied to each projection independently before back-projection. The resolution of the system was found to be 7.8 mm at the center of field of view and 10.5 mm in the periphery, as opposed to 18 mm for a parallel hole, all purpose collimator. Results with phantom studies demonstrated that the technique provided images with improved spatial resolution.

Paper Details

Date Published: 7 July 1986
PDF: 5 pages
Proc. SPIE 0602, Biostereometrics '85, (7 July 1986); doi: 10.1117/12.956327
Show Author Affiliations
Jiansheng Zheng, Vanderbilt University (United States)
James A. Patton, Vanderbilt University (United States)
David R. Pickens, Vanderbilt University (United States)
Paul H. King, Vanderbilt University (United States)
Ronald R. Price, Vanderbilt University (United States)


Published in SPIE Proceedings Vol. 0602:
Biostereometrics '85
A. M. Coblentz; Robin E. Herron, Editor(s)

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