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《Journal of Shanghai Jiaotong University》 2014-05
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Three-Dimensional Reconstruction of Plasma Image in CO_2 Laser Welding

WANG Yong-gui;SUN Da-wei;CAI Yan;ZHU Jun-jie;WU Yi-xiong;School of Materials Science and Engineering,Shanghai Key Laboratory of Materials Laser Processing and Modification,Shanghai Jiaotong University;  
A set of high-speed cameras were used to obtain the plasma image in different directions in the process of CO2laser welding.The centroid projecting principle was employed to adjust the plasma images in different directions.The projection relationship between the 3Dplasma and 2Dimages were achieved by camera calibration and calculation of projection weighting factors.Finally,the 3Dradiation distribution of plasma was obtained based on algebraic reconstruction technology(ART).The result shows that the 3D reconstruction of laser-induced plasma has a high reconstruction accuracy.And compared with 2Dplasma image,the 3Dreconstructed data reflects the dimensional characteristics and inner information of the plasma much more accurately.
【Fund】: 国家自然科学基金资助项目(51005152 51035004)
【CateGory Index】: TP391.41;TN249
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Chinese Journal Full-text Database 1 Hits
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3 Shen Xianfeng;Liu Shijie;Institute of Machinery Manufacturing Technology,China Academy of Engineering Physics;;Characterization of Weld Pool and Keyhole in Gas-Jet-assisted Keyhole Laser Welding[J];Rare Metal Materials and Engineering;2013-S2
4 Zou Jianglin;Wu Shikai;Xiao Rongshi;Zhang Xinyi;Niu Jianqiang;Institute of Laser Engineering,Beijing University of Technology;;Comparison of Melting Efficiency in High Power Fiber Laser and CO_2 Laser Welding[J];Chinese Journal of Lasers;2013-08
5 CHEN Lian,WU Zhifang,LIU Ximing,YAO Ming(Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing 100084,China);Analytical geometric parameter calibration algorithm for cone-beam CT[J];Journal of Tsinghua University(Science and Technology);2010-03
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【Secondary Citations】
Chinese Journal Full-text Database 10 Hits
1 Wang Zhaoba (Research Center for NDT, North China Institute of Technology, Taiyuan, 030051);EFFECT OF CENTER DEVIATION ON CT RECONSTRUCTION IMAGES[J];Acta Armamentarii;2001-03
2 LI Yong li, GUI Zhi guo, YANG Min, YANG Qiao ning (Dept. of Electronic Engineering and Information Science, North China Institute of Technology, Taiyuan 030051, China);Theoretical Analysis of Scatter Models in X-ray Detecting[J];JOURNAL OF TEST AND MEASUREMENT TECHNOLOGY;2000-01
3 YE Xia-juan 1 and ZHANG Peng 2 1) Department of Mathematics, Northwest University, China Xi抋n 710069 2)Division of Applied Mathematics, Beijing Information Technology Institute, China Beijing 100101;Estimation of Energy Spectra of CT System And Beam-Hardening Correction Algorithm[J];Computerized Tomography Theory and Applications;2003-02
4 WANG Chun-yan 1, LI Zheng 2, KANG Ke-jun 2, GAO Wen-huan 2( 1Dept of Biomedical Engineering, Capital University of Medical Science, Beijing 100054, China; 2Dept of Engineering Physics, Tsinghua University, Beijing 100084, China);Non-linearity characterization of X-ray imaging system[J];Nuclear Electronics & Detection Technology;2002-06
5 WANG Jing, LI Zheng(Department of Engineering Physics, Tsinghua University, Beijing 100084,China);Detecting image edge from projections using radon transform properties[J];Nuclear Electronics & Detection Technology;2004-04
6 ZHANG Da-peng,WANG Yi,LI Yuan-jing,CHENG Ji-ping,LI Jin(Department of Engineering physics,Tsinghua University.Beijing.100084,China);Study of the integrated method for improving the quality of digital X-ray image[J];Nuclear Electronics & Detection Technology;2008-01
7 GUO Wu,ZHANG Peng,WANG Run-sheng ATR Lab,National University of Defense Technology,Changsha 410073,China;Independent Component Analysis and its applications in image processing[J];Computer Engineering and Applications;2008-23
8 Wang Le,Gu Xuemai (The Research Center of Communications,Harbin Institute of Technology,Harbin,150001,China);Blind Recognition Algorithm for TT&C Signals of Satellite Based on Wavelet Transform and Independent Component Analysis[J];Journal of Nanjing University of Aeronautics & Astronautics;2009-01
9 LI Qing-shun1, YANG Ding-chu2, QIN Qian-qing1 (1. State Key Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China; 2. School of Electronic Information, Wuhan University, Wuhan 430072, China);Enchantment in medicine image based on fractal-wavelet transform[J];Computer Engineering and Design;2005-03
10 Lin Shiming (S. M. Lin);W.-M. Boerner;On the Discrete Radon Transform[J];Journal of Northwestern Polytechnical University;1988-02
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