Principle and Realization of Segmenting Contour Series Algorithm in Reverse Engineering Based on X-Ray Computerized Tomography

WANG Yan-Fang; LIU Li; SHAN Bao-Ci; YAN Yong-Lian; TANG Xiao-Wei

Chinese Physics C> 2007, Vol. 31> Issue(1) : 108-113

Principle and Realization of Segmenting Contour Series Algorithm in Reverse Engineering Based on X-Ray Computerized Tomography

R&D Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijng 100049, China2 Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics,Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
A new algorithm of segmenting contour series of images is presented, which can achieve three dimension reconstruction with parametric recognition in Reverse Engineering based on X-ray CT. First, in order to get the nested relationship between contours, a method of a certain angle ray is used. Second, for realizing the contour location in one slice, another approach is presented to generate the contour tree by scanning the relevant vector only once. Last, a judge algorithm is put forward to accomplish the contour match between slices by adopting the qualitative and quantitative properties. The example shows that this algorithm can segment contour series of CT parts rapidly and precisely.

References

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. JIN Tao, TONG Shui-Guang et al. Reverse Engineering.Beijing: China Machine Press, 2003. 1-2 (in Chinese)(金涛, 童水光等. 逆向工程技术. 北京: 机械工业出版社, 2003.1-2)2. QI Li-Wei, ZHAO Yi, LI Ming-Hui. Journal of Shanghai Jiaotong University, 2003, 37(2): 216-219 (in Chinese)(亓利伟, 赵毅, 李明辉. 上海交通大学学报, 2003, 37(2):216-219)3. QI Li-Wei. Key Technologies of Reverse Engineering Oriented to Layer Measuring Data. Doctor Paper of Shanghai Jiaotong University, 2002. 23-40 (in Chinese)(亓利伟. 断层测量反求工程的关键技术. 上海: 上海交通大学博士论文, 2002. 23-40)4. HUI Yan-Bo, FEN Lan-Fang, LU Bing-Heng. Structural Recognition Based on Object's Contour Forest. Xi'an:Technical Paper-Set of New Products' Rapid Development Technique in 21 Century, 2000. 237-242 (in Chinese)(惠延波, 冯兰芳, 卢秉恒. 基于物体轮廓森林的结构识别, 西安:21世纪新产品快速开发技术论文集, 2000. 237-242)5. PAN Yun-He. Computer Graphics-Principle Method Application. Beijing: Higher Education Press, 2001. 18-25(in Chinese)(潘云鹤. 计算机图形学--原理、方法及应用. 北京: 高等教育出版社, 2001. 18-25)6. FEN Yu-Qiang. Technical Research of Reconstruction of Solid-Model Based on ICT Images. Beijing: Doctor Paperof Beijing Institute of Technology, 2003. 33-42 (in Chinese)(冯裕强. 基于ICT图像实体模型重构技术研究. 北京: 北京理工大学博士论文, 2003. 33-42)7. HUI Yan-Bo. Technical Research of Reverse Reconstruction of CAD model Based on Slice Measement. Xi'an: Doctor Paper of Xi'an Jiaotong University, 1997. 86-89 (in Chinese)(惠延波. 基于断层测量的CAD几何模型反求技术研究. 西安:西安交通大学博士论文, 1997. 86-89)8. Bunke H, Buhler U. Pattern Recognition, 1993, 26(12):1797-18129. Maes M. Pattern Recognition, 1991, 24(3): 433-44010. WANG Yan-Fang, QUE Jie-Ming, LIU Li et al. CT Theoryand Applications, 2004, 13(3): 39-42 (in Chinese)(王燕芳, 阙介民, 刘力等. CT理论与应用研究, 2004, 13(3):39-42)11. LI Qiang, YANG Tao. Opto-Electronic Engineering, 2000,27(2): 28-30 (in Chinese)(李强, 杨涛. 光电工程, 2000, 27(2): 28-30)12. Milan Sonka. Image Process, Analysis and Machine Vision.The Second Version. Beijing: Posts and Telecom Press,2003. 375 (in Chinese)(Milan Sonka 等著. 图像处理、分析与机器视觉. 第二版. 北京: 人民邮电出版社, 2003. 375)

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WANG Yan-Fang, LIU Li, SHAN Bao-Ci, YAN Yong-Lian and TANG Xiao-Wei. Principle and Realization of Segmenting Contour Series Algorithm in Reverse Engineering Based on X-Ray Computerized Tomography[J]. Chinese Physics C, 2007, 31(1): 108-113.

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Received: 2006-03-10
Revised: 2006-06-19

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Principle and Realization of Segmenting Contour Series Algorithm in Reverse Engineering Based on X-Ray Computerized Tomography

Corresponding author: WANG Yan-Fang,

R&D Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijng 100049, China2 Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics,Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2006-03-10

Accepted Date: 2006-06-19

Available Online: 2007-01-05

Abstract: A new algorithm of segmenting contour series of images is presented, which can achieve three dimension reconstruction with parametric recognition in Reverse Engineering based on X-ray CT. First, in order to get the nested relationship between contours, a method of a certain angle ray is used. Second, for realizing the contour location in one slice, another approach is presented to generate the contour tree by scanning the relevant vector only once. Last, a judge algorithm is put forward to accomplish the contour match between slices by adopting the qualitative and quantitative properties. The example shows that this algorithm can segment contour series of CT parts rapidly and precisely.

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Principle and Realization of Segmenting Contour Series Algorithm in Reverse Engineering Based on X-Ray Computerized Tomography

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