Computer-assisted detection of pulmonary embolism

被引：8
|
作者：
Masutani, Y [1 ]
MacMahon, H [1 ]
Doi, K [1 ]
机构：
[1] Univ Chicago, Dept Radiol, Kurt Rossmann Labs Radiol Image Res, Chicago, IL 60637 USA
来源：
MEDICAL IMAGING 2000: IMAGE PROCESSING, PTS 1 AND 2 | 2000年 / 3979卷
关键词：
pulmonary embolism; spiral CT angiography; segmentation; computer aided diagnosis (CAD);
D O I：
10.1117/12.387760
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In this study, a computerized method for detection of pulmonary embolism in spiral CT angiography was developed. The method is based on segmentation of pulmonary vessels to limit the search space for thrombi. Several three-dimensional image features such as local contrast, second derivatives, and distance to the vessel wail were employed for detection of thrombi and for elimination of false positives. Volume rendering was applied for display of detection results. Preliminary results based on several clinical data show the potential of our method.
引用
收藏
页码：944 / 950
页数：5
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