A three-step system calibration procedure with error compensation for 3D shape measurement |
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| Authors: | Haihua Cui Wenhe Liao Xiaosheng Cheng Ning Dai Tianran Yuan College of Mechanical Electrical Engineering Nanjing University of Aeronautics Astronautics Nanjing China |
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| Institution: | Haihua Cui Wenhe Liao Xiaosheng Cheng Ning Dai , Tianran Yuan College of Mechanical , Electrical Engineering,Nanjing University of Aeronautics , Astronautics,Nanjing 210016,China |
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| Abstract: | System calibration,which usually involves complicated and time-consuming procedures,is crucial for any three-dimensional(3D) shape measurement system based on vision.A novel improved method is proposed for accurate calibration of such a measurement system.The system accuracy is improved with considering the nonlinear measurement error created by the difference between the system model and real measurement environment.We use Levenberg-Marquardt optimization algorithm to compensate the error and get a good re... |
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