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Research on Key Technologies of Binocular Stereo Industrial Photogrammetry and Its Applications

Author: YuYing
Tutor: SunXianShen
School: PLA Information Engineering University
Course: Geodesy and Survey Engineering
Keywords: The binocular stereo Industrial Photogrammetry Ridge Estimation One-dimensional target Feature extraction The undriven point match Common perpendicular constraint Vibration measurement Overall dimensions
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 208
Quote: 3
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Abstract


This paper studies the key technology and its application in the the binocular stereo Industrial Photogrammetry , thesis work and the results obtained are as follows : 1, precision estimation formula derived binocular stereo industrial photogrammetry system , experimental verification of the correctness of the formula . Ridge Estimation self-calibration bundle camera parameters calibration algorithm , the experimental results show that the algorithm to overcome the problem of excessive self-calibration bundle camera calibration parameters complex cause solution instability . 3 , based on direct solution of one-dimensional targets dual camera calibration parameters of the experimental results show the correctness and feasibility of the algorithm . Subsequently, given the unstable environment double camera calibration method of the structural parameters and the structure of the dual - camera parameters calibration method . 4 , the edge of a high-precision positioning algorithm, simulation results show that the algorithm is compared with Canny detection algorithm on the edge positioning accuracy ; suggest improvements Steger algorithm for line center position , the experimental results show that the improved the Steger algorithms extraction speed the greatly improved ; signs point to identify and gray weighted centroid round back to the light reflection flag center dual-threshold - based positioning method , the experimental results show that the algorithm extraction speed than Canny ellipse fitting algorithm three times faster , with an average extraction accuracy for 0.033pixel . 5 Bezier curve fitting line center , lines matching epipolar constraints ; circular mark on the binocular stereo Industrial photogrammetry in point matching , raised the the undriven point matching algorithm, experimental verification the correctness of the algorithm . 6, proposed a solution based on the common perpendicular constrained iterative optimization forward intersection algorithm, experiments show that the algorithm can significantly improve the three-dimensional coordinates accuracy of calculation . 7, the development of a binocular stereo industrial photography - based radar antenna vibration deformation measurement system to solve the plate slotted antenna dynamic test key technical issues . 8 , developed a set of \

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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