X-ray CT scanner, image generation method, and image generation program
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United States of America Patent
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Sep 7, 2021
Grant Date -
Jul 9, 2020
app pub date -
Apr 9, 2018
filing date -
Jul 27, 2017
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Abstract
An image is generated where an edge of a structure in a subject is sharpened with reducing streak artifacts, within a short amount of time. X-rays at multiple angles are applied to the subject placed in imaging space, and a distribution of X-rays strength passing through the subject is detected to obtain raw data associated with multiple views. After smoothing the raw data associated with multiple views, image reconstruction is performed to generate a smoothed image of a predetermined region to be imaged in the imaging space. In the smoothed image, more intense sharpening process is applied to pixels in a region of a central part of the subject, than the pixels in a region of a peripheral part of the subject.
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