Study of application of fractal dimension theory in segmentation of liver CT image

doi:10.3778/j.issn.1002-8331.2009.24.069

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (24): 228-230.DOI: 10.3778/j.issn.1002-8331.2009.24.069

• 工程与应用 • Previous Articles Next Articles

Study of application of fractal dimension theory in segmentation of liver CT image

KONG Ping¹，SU Shi-bing²，YAN Guang-le1

1.Department of Management，University of Shanghai for Science and Technology，Shanghai 200093，China
2.Research Center for Complex System of Traditional Chinese Medicine，Shanghai University of Traditional Chinese Medicine，Shanghai 201203，China

Received:2008-05-06 Revised:2008-08-27 Online:2009-08-21 Published:2009-08-21
Contact: KONG Ping

分形理论在肝脏CT影像分割中的应用研究

孔平¹，苏式兵²，严广乐¹

1.上海理工大学管理学院，上海 200093
2.上海中医药大学中医复杂系统研究中心，上海 201203

通讯作者: 孔平

Abstract

Abstract: The segmentation arithmetic based on the fractal dimension theory is proposed to the character of liver CT image.According that the number of fractal dimension is related to the complication of the image，the gray’s value scope of image can be calculated through the fractal dimension of the break of the object and then the threshold can be constituted.The experiment result proves that threshold value through fractal dimension can achieve good effect compared with traditional method.Furthermore，the fractal dimensions of liver edge are with great value for the estimation of the health of the liver in the later research.

Key words: image recognition, segmentation of image, fractal dimension, liver CT image

摘要： 针对肝脏CT影像的特点，提出了基于分形理论的分割算法。根据分形维数反映图像复杂程度的定义，通过计算两次突变的分维数，来确定图像的灰度值范围，并利用该灰度值范围确定阈值。并通过实验，表明利用分形维数所得到的阈值进行分割处理较传统方法有较大改进，且该方法计算的肝脏边缘分维数也为今后评价肝脏是否发生病变提供参考数据。

关键词: 图像识别, 图像分割, 分形理论, 肝脏CT影像

CLC Number:

TP391

KONG Ping¹，SU Shi-bing²，YAN Guang-le1. Study of application of fractal dimension theory in segmentation of liver CT image[J]. Computer Engineering and Applications, 2009, 45(24): 228-230.

孔平¹，苏式兵²，严广乐¹. 分形理论在肝脏CT影像分割中的应用研究
[J]. 计算机工程与应用, 2009, 45(24): 228-230.

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Study of application of fractal dimension theory in segmentation of liver CT image

分形理论在肝脏CT影像分割中的应用研究

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