Energy calibration with Lu spectrum subtraction
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United States of America Patent
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Aug 4, 2020
Grant Date -
Nov 29, 2018
app pub date -
Oct 12, 2016
filing date -
Oct 30, 2015
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Abstract
The present application relates generally to positron emission tomography (PET). It finds particular application in conjunction with energy calibration of a digital PET (DPET) detector and will be described with particular reference thereto. In one aspect, a difference spectrum is produced by finding a difference between a background radiation spectrum with no radioactive source loaded and a calibration source radiation spectrum with a radioactive source loaded. The difference spectrum may then be used to identify an energy peak.
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