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Metal artifacts reduction for cone beam CT
专利权人:
Dong Yang
发明人:
Dong Yang,Robert A. Senn
申请号:
US13234472
公开号:
US09202296B2
申请日:
2011.09.16
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A method for suppressing metal artifacts in a radiographic image, the method executed at least in part on a computer, obtains at least one two-dimensional radiographic image of a subject, wherein the subject has one or more metal objects and identifies a material that forms the one or more metal objects and a radiation energy level used to generate the obtained image. The obtained radiographic image is segmented to identify boundaries of the metal object. A conditioned radiographic image is formed by replacing pixel values in the radiographic image that correspond to the one or more metal objects with compensating pixel values according to the identified material and the identified radiation energy level. The conditioned radiographic image is then displayed.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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