Abdominal atlas mapping in CT and MR volume images using a normalized abdominal coordinate system

被引：4

作者：

Wang, Hongkai ^{[1
]}

Bai, Jing ^{[1
]}

Zhou, Yongxin ^{[1
]}

Zhang, Yonghong ^{[1
]}

机构：

[1] Tsinghua Univ, Sch Med, Dept Biomed Engn, Med Imaging Lab, Beijing 100084, Peoples R China

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2008年 / 32卷 / 06期

关键词：

body-based coordinate system; atlas-mapping; registration; organ segmentation; medical imaging;

D O I：

10.1016/j.compmedimag.2008.04.004

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In this paper, a normalized abdominal coordinate system is defined tor abdominal atlas mapping in CT and MR volume images. This coordinate system is independent of both the abdomen size and the respiratory motion. A real-time atlas mapping algorithm based oil this coordinate system is also proposed. The purpose of this algorithm is to provide initial positions for abdominal or-an segmentation. This algorithm reckons in the respiration phase and the fat amount to compensate organ translations. With this algorithm, rough positions of the target organs are found rapidly, and accurate segmentation results are obtained based on the mapping results. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：442 / 451

页数：10

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