Geometrical and Monte Carlo projectors in 3D PET reconstruction
Abstract
Purpose: In the present work, the authors compare geometrical and Monte Carlo projectors in detail. The geometrical projectors considered were the conventional geometrical Siddon ray-tracer (S-RT) and the orthogonal distance-based ray-tracer (OD-RT), based on computing the orthogonal distance from the center of image voxel to the line-of-response. A comparison of these geometrical projectors was performed using different point spread function...
Paper Details
Title
Geometrical and Monte Carlo projectors in 3D PET reconstruction
Published Date
Oct 12, 2010
Journal
Volume
37
Issue
11
Pages
5691 - 5702
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