Automatic segmentation of magnetic resonance images of the trans-femoral residual limb

被引：0

作者：

Douglas, TS

Solomonidis, SE

Lee, VSP

Spence, WD

Sandham, WA

Hadley, DM

机构：

[1] Univ Strathclyde, Bioengn Unit, Wolfson Ctr, Glasgow G4 0NW, Lanark, Scotland

[2] Univ Strathclyde, Dept Elect & Elect Engn, Signal Proc Div, Glasgow G1 1XW, Lanark, Scotland

[3] So Gen Hosp, Inst Neurol Sci, MRI Unit, Glasgow G51 4TF, Lanark, Scotland

来源：

MEDICAL ENGINEERING & PHYSICS | 1998年 / 20卷 / 10期

关键词：

image segmentation; mathematical morphology; magnetic resonance imaging; prosthetics; residual limb;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

An automatic algorithm for the extraction of the skin and bone boundaries from axial magnetic resonance images of the residual limb of trans-femoral amputees is presented. The method makes use of K-means clustering and mathematical morphology. Statistical analysis of the results indicates that the computer-generated boundaries compare favourably to those drawn by human observers. The boundaries may be used in biomechanical modelling of the interaction between the residual limb and the prosthetic socket. The limb/socket interface determines the quality of prosthetic fit, therefore knowledge of this interface is important for the improvement of socket design in order to achieve patient comfort and mobility. (C) 1999 IPEM. Published by Elsevier Science Ltd. All rights reserved.

引用

页码：756 / 763

页数：8

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