A Robust Detection Method of Control Points for Calibration and Measurement With Defocused Images
Ding, Wendong1,2; Liu, Xilong1,2; Xu, De1,2; Zhang, Dapeng1,2; Zhang, Zhengtao1,2
2017-10-01
发表期刊IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷号66期号:10页码:2725-2735
文章类型Article
摘要This paper presents a detection method of control points for the camera calibration and measurement applications, which is robust to defocus. Our method is based on a ground truth, which we call ridge invariance. That is, the positions of broad-brush lines' ridge lines are invariant to defocus blur. First, the ridge invariance is deduced in theory. Then, the methods for ridge point's detection including defocus degree estimation and salience enhancement are deduced. In calibration and measurement experiments, new marks are designed and control points are determined at intersects of the ridge curves. Experiments show that our method can obtain precise calibration and measurement results with images in a large defocus amount range. In the effective defocus amount range, the accuracy of the proposed method almost keeps unchanged to the best values. The proposed method has approximated the same performance as conventional methods at good focus values.
关键词Camera Calibration Control Point Detection Defocused Image Point Spread Function Vision Measurement
WOS标题词Science & Technology ; Technology
DOI10.1109/TIM.2017.2709561
关键词[WOS]DIRECT LINEAR TRANSFORMATION ; LENS CAMERA CALIBRATION ; SINGLE IMAGE ; ACCURACY ; BLUR ; INSTRUMENT
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(61503376 ; special fund of Jiangsu Province for the transformation of scientific and technological achievements(BA2015144) ; 61227804 ; 61303177 ; 61421004)
WOS研究方向Engineering ; Instruments & Instrumentation
WOS类目Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS记录号WOS:000411025400023
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/19812
专题精密感知与控制研究中心_精密感知与控制
作者单位1.Chinese Acad Sci, Inst Automat, Res Ctr Precis Sensing & Control, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 101408, Peoples R China
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GB/T 7714
Ding, Wendong,Liu, Xilong,Xu, De,et al. A Robust Detection Method of Control Points for Calibration and Measurement With Defocused Images[J]. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT,2017,66(10):2725-2735.
APA Ding, Wendong,Liu, Xilong,Xu, De,Zhang, Dapeng,&Zhang, Zhengtao.(2017).A Robust Detection Method of Control Points for Calibration and Measurement With Defocused Images.IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT,66(10),2725-2735.
MLA Ding, Wendong,et al."A Robust Detection Method of Control Points for Calibration and Measurement With Defocused Images".IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 66.10(2017):2725-2735.
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