Interobserver reproducibility of quantitative cartilage measurements: Comparison of B-spline snakes and manual segmentation

被引：153

作者：

Stammberger, T ^{[1
]}

Eckstein, F ^{[1
]}

Michaelis, M ^{[1
]}

Englmeier, KH ^{[1
]}

Reiser, M ^{[1
]}

机构：

[1] GSF Forschungszentrum Umwelt & Gesundheit GMBH, Natl Res Ctr, Inst Med Informat, D-85764 Oberschleissheim, Germany

来源：

MAGNETIC RESONANCE IMAGING | 1999年 / 17卷 / 07期

关键词：

articular cartilage; segmentation; deformable models; B-spline snakes; cartilage thickness;

D O I：

10.1016/S0730-725X(99)00040-5

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

The objective of this work was to develop a segmentation technique for thickness measurements of the articular cartilage in MR images and to assess the interobserver reproducibility of the method in comparison with manual segmentation. The algorithm is based on a B-spline snakes approach and is able to delineate the cartilage boundaries in real time and with minimal user interaction. The interobserver reproducibility of the method, ranging from 3.3 to 13.6% for various section orientations and joint surfaces, proved to be significantly superior to manual segmentation. (C) 1999 Elsevier Science Inc.

引用

页码：1033 / 1042

页数：10

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