Color lesion boundary detection using live wire

被引：27

作者：

Chodorowski, A ^{[1
]}

Mattsson, U ^{[1
]}

Langille, M ^{[1
]}

Hamarneh, G ^{[1
]}

机构：

[1] Chalmers Univ Technol, S-41296 Gothenburg, Sweden

来源：

MEDICAL IMAGING 2005: IMAGE PROCESSING, PT 1-3 | 2005年 / 5747卷

关键词：

segmentation; color; live wire; boundary detection; oral lesions;

D O I：

10.1117/12.594944

中图分类号：

TB8 [摄影技术];

学科分类号：

0804 ;

摘要：

The boundaries of oral lesions in color images were detected using a live-wire method and compared to expert delineations. Multiple cost terms were analyzed for their inclusion in the final total cost function including color gradient magnitude, color gradient direction, Canny edge detection, and Laplacian zero crossing. The gradient magnitude and direction cost terms were implemented so that they acted directly on the three components of the color image, instead of using a single derived color band. The live-wire program was shown to be considerably more accurate and faster compared to manual segmentations by untrained users.

引用

页码：1589 / 1596

页数：8

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