System and method for computer tomography
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United States of America Patent
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Jul 28, 2020
Grant Date -
Nov 16, 2017
app pub date -
Jun 30, 2017
filing date -
Sep 18, 2015
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Abstract
The present disclosure relates to a method and a system for computed tomography imaging. The method may comprise obtaining original data; obtaining a preprocessing result by preprocessing the original data; obtaining intensity of the artifact based on the preprocessing result; and updating a damaged channel or the air correction table based on the intensity of the artifact. Updating the air correction table may comprise: obtaining a first air correction table corresponding to a first temperature of detector; obtaining real-time temperature of detector; and obtaining a second air correction table corresponding to the real-time temperature based on the real-time temperature and the first air correction table.
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