Multi-energy (spectral) image data processing
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United States of America Patent
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May 19, 2020
Grant Date -
Jan 25, 2018
app pub date -
Feb 24, 2016
filing date -
Mar 9, 2015
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Abstract
A method includes generating a material landmark images in a low and high energy image domain. The material landmark image estimates a change of a value of an image pixel caused by adding a small amount of a known material to the pixel. The method further includes generating an air values image in the low and high energy image domain. The air values image estimates a value for each image pixel where a value of a pixel is replaced by a value representing air. The method further includes extracting from de-noised low and high images generated from the low and high line integrals, a material composition of each image pixel based on the material landmark images and air values image. The method further includes generating a signal indicative the extracted material composition.
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