SEGMENTATION OF CARDIAC MAGNETIC RESONANCE (CMR) IMAGES USING A MEMORY PERSISTENCE APPROACH,申请号WO2015SG00062-传众专利搜索

SEGMENTATION OF CARDIAC MAGNETIC RESONANCE (CMR) IMAGES USING A MEMORY PERSISTENCE APPROACH

申请公布号：WO2015130231(A8)

申请号：WO2015SG00062

申请日期：2015.02.27

申请公布日期：2016.08.11

申请人：

AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH;SINGAPORE HEALTH SERVICES PTE LTD

发明人：YANG, XULEI;SU, YI;YEO, SI YONG;ZHONG, LIANG;TAN, RU SAN

分类号：G06T7/00;A61B5/055;G06K9/46

主分类号：G06T7/00

摘要：A method is proposed for identifying an anatomical structure within a spatial-temporal image (i.e. a series of frames captured as respective times). A current frame of spatial- temporal medical image is processed using information from one or more previous and/or subsequent temporal frames, to aid in the segmentation of an object or a region of interest (ROI) in a current frame. The invention is applicable to both two- and three-dimensional spatial-temporal images (i.e., 2D + time or 3D + time), and in particular to cardiac magnetic resonance (CMR images). An initialisation process for this method segments the left ventricle (LV) in a CMR image by a fuzzy c-means (FCM) clustering algorithm which employs a circular shape function as part of the definition of the dissimilarity measure.