Method and apparatus for computer vision based attenuation map generation
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United States of America Patent
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Jun 21, 2022
Grant Date -
Feb 3, 2022
app pub date -
Jul 28, 2020
filing date -
Jul 28, 2020
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Abstract
A method of imaging includes obtaining projection data for an object representing an intensity of radiation detected along a plurality of rays through the object, obtaining an outline of the object via a secondary imaging system, the secondary imaging system using non-ionizing radiation, determining, based on the outline, a model and model parameters for the object, calculating, based on the model and the model parameters, a volumetric attenuation map for the object, and reconstructing, based on the projection data and the volumetric attenuation map, an attenuation-corrected volumetric image.
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