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.
KeywordsPoint 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.
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