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IMPROVEMENT OF SIMULTANEOUS MEASURE OF THE TEMPERATURE AND THE DISPLACEMENT MEASURED WITH MAGNETIC RESONANCE ACOUSTIC RADIATION FORCE IMAGING
专利权人:
KONINKLIJKE PHILIPS N.V.
发明人:
CHARLES MOUGENOT
申请号:
US16337458
公开号:
US20190242963A1
申请日:
2017.09.25
申请国别(地区):
US
年份:
2019
代理人:
摘要:
In Magnetic Resonance Acoustic Radiation Force Imaging (MR-ARFI), an MR imaging device (10) performs gradient echo imaging including successive MR dynamics with opposite encoding of displacement to generate MR-ARFI data of a subject comprising successive image frames with opposite displacement encoding. An ultrasound device (12) applies sonication to the subject during the gradient echo imaging. An electronic processor (22) performs MR-ARFI data processing applied to image elements at image frames of the MR-ARFI data. A displacement is computed (30) for the image element at the image frame as proportional to a phase difference between the image element in the image frame and the image element in a succeeding or preceding image frame with opposite displacement encoding. The computed displacement is corrected (32) for a temperature change between the image frame and the succeeding or preceding image frame. The temperature change is determined using the MR-ARFI data.
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中国工程科技知识中心
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