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Efficient Model of the Collimator Blurring in Pinhole SPECT

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3 Author(s)
Andriy Andreyev ; Graduate Student Member, IEEE, Dept. of Nuclear Medicine, Vrije Universiteit Brussel, B-1090 Brussel, Belgium. e-mail: ; Michel Defrise ; Christian Vanhove

We propose a new method for collimator blurring correction in pinhole SPECT, that uses the spherical symmetry of the blob basis functions. We study its performance and compare with the other correction methods, namely multi-ray methods. We also investigate some limitations of the multi-ray methods.

Published in:

2006 IEEE Nuclear Science Symposium Conference Record  (Volume:6 )

Date of Conference:

Oct. 29 2006-Nov. 1 2006