Volume Rendering of 3 D M edical Image Based on M odularization

Journal of South China University of Technology (Natural Science Edition) ›› 2006, Vol. 34 ›› Issue (1): 77-81.

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

Volume Rendering of 3 D M edical Image Based on M odularization

Li Bin¹ Tian Lian-fang¹ Chen Ping² He Yuan-lie¹ Ye Guang-chun² Mao Zong-yuan¹

1.College of Automation Science and Engineering,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China;2.Nuclear Medicine Dept.,the First Affiliated Hospital of Guangzhou Medical College,Guangzhou 510120,Guangdong,China

Received:2005-06-02 Online:2006-01-25 Published:2006-01-25
Contact: 李彬(1979-)，男，博士生，主要从事医学可视化、模式识别及智能系统方面的研究 E-mail:binleemmboy@yahoo.com.cn
About author:李彬(1979-)，男，博士生，主要从事医学可视化、模式识别及智能系统方面的研究

Abstract

Abstract:

In order to improve the visual effect and reconstruction eficiency of 3 D medical images.a method of vo-lume rendering is proposed based on modularization.In this method,the segmentation module is effectively corn-bined with the volume rendering,and a segmentation method based on the growing and cluster analyses in hybrid link region is developed to eliminate the disturbance of obstacles during the rotational display of 3 D image.Moreover,the modification of reconstructed kernel is performed based on the Raycasting algorithm,by adopting a resam-pling method with round--box selection and dynamic step-length adjustment to improve the reconstruction eficiency and by rotating light source and view angle to resample and reconstruct the interested region.Experiment,al results finally reveal the high eficiency and good display perform ance of the proposed method.

Key words: modularization, medical image, volume rendering, raycasting, rotational display, segmentation

Li Bin Tian Lian-fang Chen Ping He Yuan-lie Ye Guang-chun Mao Zong-yuan. Volume Rendering of 3 D M edical Image Based on M odularization[J]. Journal of South China University of Technology (Natural Science Edition), 2006, 34(1): 77-81.

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Volume Rendering of 3 D M edical Image Based on M odularization

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