Method and apparatus for locating tumor and radiotherapy system
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United States of America Patent
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Aug 27, 2024
Grant Date -
Aug 18, 2022
app pub date -
Jul 18, 2019
filing date -
Jul 18, 2019
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Abstract
Provided is a method for locating a tumor. The method includes: performing image registration on a projection image of the tumor and a first standard image to acquire a first offset; generating a second standard image based on the first offset; performing image registration on the projection image and the second standard image to acquire a second offset; and updating the second standard image based on the second offset and executing the operation of image registration on the projection image and the second standard image again in response to the second offset satisfying a virtual re-sampling condition; or outputting an accumulated offset in response to the second offset not satisfying the virtual re-sampling condition, wherein the accumulated offset is a sum of the first offset and the second offset acquired by executing the operation of image registration.
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