人体心脏的三维超声成像  

Three Dimensional Ultrasonic Imaging for Human Heart

作　　者：吕玉琦[1] 何钧雷 李品君[1] 史玉琦[1] 

机构地区：[1]东南大学生物科学与医学工程系,南京鼓楼医院心脏科

出　　处：《东南大学学报（自然科学版）》1994年第2期1-7,共7页Journal of Southeast University：Natural Science Edition

基　　金：国家自然科学基金

摘　　要：本文旨在建立一个接近于临床应用要求的三维超声心脏成像系统，原始数据通过心尖探查法由超声诊断仪获得二维超声心动图，经数字化后送入计算机，二维心动图经过矫正、边界提取、插值、重取样等产生三维体无数据，然后经过投影、消隐、光照效应等显示处理步骤，产生左心室的三维图像并显示于ＶＧＡ显示器上。对该立体图像并可进行旋转、剖切等操作，以满足临床应用的要求。A three dimensionai echocardiographic imaging system which approaches the needs ofclinical usages has ben established. The originai ilata set, two-dimensional echocardiograms producedby an ultrasonic unagmg system , were acquired by using a apical long axis view methed. The data setwere transferred to a microcomputer after digitization. A three dimensional volume data were thenobtained through correction ,edge extraction, interpolation and resampling of serial two dimensionalechwtograms. A three dimensional image of left ventricle was generated and displayed on VGAmonitor by using projection, removing hidden edges and surfaces and shading model. Someoperatioris, rotation and cutting, can also be done on the three dimensional image in order to satisfythe requirements for clinicai applications.

关 键 词：超声心动图仪 超声成像 人体 心脏 

分 类 号：R540.45[医药卫生—心血管疾病]