Segmentation of sequences of echocardiographic images using a simplified 3D active contour model with region-based external forces

被引：24

作者：

Kucera, D ^{[1
]}

Martin, RW ^{[1
]}

机构：

[1] UNIV WASHINGTON, CTR BIOENGN, DEPT ANESTHESIOL, SEATTLE, WA 98195 USA

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 1997年 / 21卷 / 01期

关键词：

image segmentation; active models; parameters; region-based forces; echocardiography; border correction;

D O I：

10.1016/S0895-6111(96)00027-4

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A method of segmenting echocardiography images based on three dimensional (two spatial and one time) surface was developed and tested on transcutaneous images from 38 patients and a four-dimensional (three spatial and one time) transesophageal scan of one patient. Active contour models with finite elements representing the curves in the imaging planes and finite difference description linking curves from time frame to time frame were employed. Region-based external forces were incorporated into the framework of the model and an analytical procedure for estimating the values of most of the model parameters was developed and used. (C) 1997 Elsevier Science Ltd.

引用

页码：1 / 21

页数：21

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