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MULTI-SHOT MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD
专利权人:
发明人:
申请号:
EP15778979.3
公开号:
EP3207398A1
申请日:
2015.10.13
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
The present invention provides a magnetic resonance imaging system for imaging a subject by a multi-shot imaging. The magnetic resonance imaging system comprises an acquiring unit for acquiring MR raw data corresponding to a plurality of shots an imaging unit for generating a plurality of folded images from the MR raw data, wherein each of the plurality of folded images is generated from a subset of the MR raw data a deriving unit for deriving magnitude of each pixel of each folded image a detecting unit for detecting a motion of the subject during the multi-shot imaging based on similarity measurements of any two folded images of the plurality of folded images, wherein the detecting unit further comprises a first deriving unit configured to derive the measured similarities and a reconstructing unit for reconstructing a MR image of the subject based on MR raw data obtained according to a detection result of the detecting unit. Since the partially acquired MR raw data is used for motion detection directly, it would be more rapid and stable.
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