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Abstract

A small foreign object placed usually on the subject’s surface to facilitate scan interpretation and coregistration. This could be a small radioactive source. When used for coregistration, the object must distinctively appear in both images.

Keywords

Point Spread Function Line Source Fiducial Marker High Frequency Content Line Spread Function 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.University of TennesseeKnoxvilleUSA

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