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DETECTION OF MOTION ARTIFACTS IN DYNAMIC CONTRAST-ENHANCED BREAST MRI

机译:动态对比增强MRI的运动伪像检测

摘要

A method for identifying motion artifacts in a dynamic contrast enhanced MRI includes receiving a dynamic contrast enhanced MRI including a patient's breast on which motion correction has been performed. One or more regions of suspicion are automatically identified within the breast based in the dynamic contrast enhanced MRI. The regions of suspicion are examined (S41). A measure of negative enhancement is calculated within a local neighborhood about each identified region of suspicion (S42). Each identified region of suspicion for which the calculated measure of negative enhancement is greater than a predetermined threshold is removed (S49).
机译:一种用于在动态对比度增强的MRI中识别运动伪影的方法,包括接收动态对比度增强的MRI,该MRI包括已经在其上进行了运动校正的患者的乳房。根据动态对比增强MRI,在乳房内自动识别出一个或多个可疑区域。检查可疑区域(S41)。在每个确定的怀疑区域附近的本地邻域内计算负面增强的度量(S42)。去除计算出的负增强的量度大于预定阈值的每个识别出的怀疑区域(S49)。

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