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SYSTEM, METHOD AND COMPUTER ACCESSIBLE MEDIUM FOR NOISE ESTIMATION, NOISE REMOVAL AND GIBBS RINGING REMOVAL
专利权人:
New York University;University of Antwerp
发明人:
Dmitry Novikov,JELLE VERAART,ELS FIEREMANS
申请号:
US15574467
公开号:
US20180120404A1
申请日:
2016.05.16
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An exemplary system, method and computer-accessible medium for removing noise and Gibbs ringing from a magnetic resonance (“MR”) image(s), can be provided, which can include, for example, receiving information related to the MR image(s), receiving information related to the MR image(s), and removing the Gibbs ringing from the information by extrapolating data in a k-space from the MR image(s) beyond an edge(s) of a measured portion of the k-space. The data can be extrapolated by formatting the data as a regularized minimization problem(s). A first weighted term of the regularized minimization problem(s) can preserve a fidelity of the extrapolated data, and a second weighted term of the regularized minimization problem(s) can be a penalty term that can be based a norm(s) of the MR image(s), which can be presumed to be sparse
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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