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题名: Fully Automatic Matching of Circular Markers for Camera Calibration
作者: Xia RB(夏仁波) ; Zhao JB(赵吉宾) ; Liu WJ(刘伟军) ; Xu JT(徐金亭)
作者部门: 先进制造技术研究室
会议名称: 3rd International Conference on Intelligent System and Knowledge Engineering
会议日期: November 17-19, 2008
会议地点: Xiamen, China
会议主办者: Xiamen Univ, Fuzhou Univ, Fujian Agr & Fore Univ, Jimei Univ, Sanming Univ, Hunan Inst Humanities, Sci & Tech, Longyan Univ, IEEE Beijing Sect, Tsinghua Univ, SW Jiaotong Univ, Donghua Univ Ghent Univ, Belgian Nucl Res Ctr, Univ Technol
会议录: 2008 3RD INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEM AND KNOWLEDGE ENGINEERING, VOLS 1 AND 2
会议录出版者: IEEE
会议录出版地: NEW YORK
出版日期: 2008
页码: 1065-1070
收录类别: CPCI(ISTP) ; EI
ISBN号: 978-1-4244-2196-1
摘要: Camera calibration is one of critical steps in computer vision, also an exhaustive process because substantial human computer interactions are frequently required to deal with the matching problem. In this paper, an automatic matching method of markers for camera calibration is presented based on the local architecture characteristics of a new planar circle pattern, which can be applied to a wide range of spoiled in;ages including those of distortion, noise, and blur. Firstly, a robust ellipse detector is developed to extract ellipses from the image. After the centroids of the ellipses are triangulated into triangle network by Delaunay method to find k annular neighborhood of each ellipse, a cost function is defined to locate orientation ellipses for the homography matrix between the image and the calibration pattern. Then the correspondences between the marker ellipses and the marker circles are established by a homography method followed by a point sets registration strategy. Finally, the method is tested with real and transformed images to show its accuracy and robustness, which is entirely unsupervised and easily embedded into the exiting algorithms
语种: 英语
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/8238
Appears in Collections:工业信息学研究室_先进制造技术研究室_会议论文

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Recommended Citation:
夏仁波; 赵吉宾; 刘伟军; 徐金亭.Fully Automatic Matching of Circular Markers for Camera Calibration.见:IEEE .2008 3RD INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEM AND KNOWLEDGE ENGINEERING, VOLS 1 AND 2,NEW YORK,2008,1065-1070
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