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《Journal of South China University of Technology(Natural Science Edition)》 2008-02
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Measurement Method Based on Grating Projection for Surface Reconstruction

Liu Da-feng Liao Wen-he Dai Ning Wang Zhen(College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,Jiangsu,China)  
The measurement of scattered point cloud data is the foundation of surface reconstruction of a 3D object.This paper analyzes the principle of 3D measurement and proposes a novel 3D measurement and calibration method based on the grating projection by adopting the technologies of Gray code and phase shifting.A code-revising algorithm is also developed to deal with the error possibly caused by the image noise during the decoding process.The proposed measurement method possesses the advantages of both Gray code and phase shifting,so it is of simple co-ding,large measured range,strong jamming resistance,high resolution and good suitability for the object with continuous surface in small range.Experimental results show that the proposed method is of good practicality and stability because it may result in regular scattered point cloud data with high quality.
【Fund】: 国家“863”计划项目(2005AA420240);; 江苏省科技攻关项目(BE2005014);; 南京市医学科技发展计划项目(ZKX0420);; 南京市科技发展计划项目(200504022)
【CateGory Index】: TP274
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 ZHONG Ji-sheng~1 , DONG Xin-zhou~2 (1.School of Information Engineering, Liaoning University of Petroleum & Chemial Technology, Fushun Liaoning 113001,China; 2.Northern Airline Company Airplane Maintenance Base, Shenyang Liaoning 110015, China);Technique on Automatic Measurement of Three Dimensional Surface[J];;2004-01
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7 ZHOU Ming Bao, LIN Da Jian (State Lab of Optical Technologies on Microfabrication, Institute of Optics & Electronics, Chinese Academy of Sciences, Chengdu 610209) GUO L Rong, GUO Yong Kang (Physics Department, Sichuan University, Chengdu 610041);Error Analysis on Two wavelength White light Phase shifting interferometry[J];OPTICS AND PRECISION ENGINEERING;1999-05
8 LI Gang1,ZHANG Tae-sok1,2,ZHENG Yu1,LIN Ling1,REN Zhao1(1.State Key Laboratory of Precision Measurement Technology and Instruments,Tianjin University,Tianjin 300072,China; 2.School of Physics,KIM IL SUNG University,D.P.R.Korea);Calibration of phase shifter in spectral domain OCT system[J];Optics and Precision Engineering;2008-01
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10 YANG Fu-jun 1, SUN Ping 2, YUN Da-zhen 1 (1. Dept. of Eng. Mech., Dalian University of Technology, Dalian 116024, China)(2. Shanghai Marine Diesel Engine Research Institute, Shanghai 200090, China);Phase extraction from interferometric fringe pattern based on adaptive statistical filtering[J];Optical Technology;2002-03
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