Incorporating temporal information into active contour method for detecting heart wall boundary from echocardiographic image sequence

被引：4

作者：

Fang, Wen ^{[1
]}

Chan, Kap Luk ^{[1
]}

Fu, Sheng ^{[1
]}

Krishnan, Shankar A. ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2008年 / 32卷 / 07期

关键词：

Active contour method; Temporal information; Boundary detection; Echocardiography;

D O I：

10.1016/j.compmedimag.2008.06.007

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A new method which incorporates temporal information into the active contour function is proposed to solve the dropout and speckle noise problems encountered when detecting the inner heart wall boundary from echocardiographic image sequence. The ventricular boundary is considered to be composed of strong and weak segments. The weak segments are interfered by image degradations in ultrasound, and they are too weak to constrain the curve evolution. Temporal information is incorporated into the external energy of the active contour function to recover the missing boundary and strengthen the weak segments. Experimental results demonstrate the advantages of the proposed method for the intended task. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：590 / 600

页数：11

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