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研究生： 林友祥
Yu-hsiang Lin
論文名稱： Engineering Approach of Camera Calibration
Engineering Approach of Camera Calibration
指導教授： 黃衍任
Yean-Ren Hwang
口試委員:
學位類別： 碩士
Master
系所名稱： 工學院 - 機械工程學系
Department of Mechanical Engineering
畢業學年度： 89
語文別： 中文
論文頁數： 73
外文關鍵詞： camera calibration, CCD, stereo vision, Levenbe
相關次數： 點閱：9  下載：0 
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    • Contents I List of Figures III Chapter1 Introduction 1 1.1Motivation 1 1.2Associated researches review1 1.3The structure of the thesis3 Chapter2 Systemic Structure 5 2.1Experimental setup 5 2.1.1Rotating device and controller5 2.1.2Calibrated object 7 2.2Program development 8 2.2.1Development environment 8 2.2.2Program functions 8 2.3Image processing 9 2.4Optimization method 11 2.4.1Sum of Least-Square problem11 2.4.2Quadratic function 12 2.4.3Optimization method 12 Chapter3 Camera Calibration 15 3.1The procedure of camera calibration 15 3.2Modeling 15 3.3Coordinates information acquisition 22 3.3.13D coordinates measurement 22 3.3.22D corresponding coordinates extraction22 3.4Solve camera parameters 24 3.5Camera Calibration experiments 26 Chapter4 Experimental Results Discussion and Error Analysis 30 4.1Parameters discussion 30 4.2Experiments based on different conditions30 4.2.1Non-parallel objective scene 30 4.2.2Variance of the center of focal plane37 4.2.3Focal length and distortion effect 41 4.3Image reconstruction 42 4.3.1Rebuild image from parameters 43 4.3.2Predict image from parameters 46 4.3.2.1Reconstruct other coordinates 46 4.3.2.2Reconstruct another image 48 4.4Noise and artificial measurement error50 Chapter5 Camera Calibration of Binocular Camera System 52 5.1Binocular system 52 5.1.1Derivation of stereo image formation system 52 5.1.2Pattern match algorithm of stereo images 56 5.1.2.1Correlation 56 5.1.2.2Feature match by Sobel result accumulation 57 5.2Binocular cameras calibration procedure 59 5.33D metrology experiments 59 5.3.1Experiments with 25 mm lens 59 5.3.2Experiments with 8 mm lens 61 5.4Critical factors to metrology 63 Chapter6 Conclusion65 6.1Conclusion65 6.2Future work66 Flowchart1:The procedure of camera calibration67 Flowchart2:The procedure of getting 2D coordinates68 Flowchart3:The procedure of pattern match using correlation 69 Flowchart4:The procedure of pattern match using feature vectors 70 Flowchart5:The procedure of binocular camera calibration 71 Reference72

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