calibration of central catadioptric camera with one-dimensional object undertaking general motions

CORC > 软件研究所 > 软件所图书馆 > 会议论文

	calibration of central catadioptric camera with one-dimensional object undertaking general motions
	Deng Xiaoming ; Wu Fuchao ; Wu Yihong ; Chang Liang ; Liu Wei ; Wang Hongan
	2011
会议名称	2011 18th IEEE International Conference on Image Processing, ICIP 2011
会议日期	September
会议地点	Brussels, Belgium
关键词	Calibration Image processing
页码	637-640
中文摘要	A 1D object is a segment with several known-distance markers, and calibration methods with 1D objects are more flexible than those with 2D/3D objects. Under the pinhole camera model, it is proved that the calibration with free-moving 1D objects is not possible. For a central catadioptric camera setup, can the camera be calibrated by a 1D object under general motions? In this paper, we prove that a central catadioptric camera can indeed be calibrated, and propose a catadiop-tric camera calibration method using 1D objects undertaking general motions. The proposed method consists of two steps. Firstly, the principal point is calculated with geometric invariants under catadioptric camera model; Secondly, we use images of 1D object to calibrate the focal lengths, skew factor and mirror parameter. The method needs neither prior knowledge of catadioptric parameters nor conic fitting, and it is linear, which makes it easy to implement. Experiments demonstrate its usefulness and stability. © 2011 IEEE.
英文摘要	A 1D object is a segment with several known-distance markers, and calibration methods with 1D objects are more flexible than those with 2D/3D objects. Under the pinhole camera model, it is proved that the calibration with free-moving 1D objects is not possible. For a central catadioptric camera setup, can the camera be calibrated by a 1D object under general motions? In this paper, we prove that a central catadioptric camera can indeed be calibrated, and propose a catadiop-tric camera calibration method using 1D objects undertaking general motions. The proposed method consists of two steps. Firstly, the principal point is calculated with geometric invariants under catadioptric camera model; Secondly, we use images of 1D object to calibrate the focal lengths, skew factor and mirror parameter. The method needs neither prior knowledge of catadioptric parameters nor conic fitting, and it is linear, which makes it easy to implement. Experiments demonstrate its usefulness and stability. © 2011 IEEE.
收录类别	EI
会议主办者	IEEE; IEEE Signal Processing Society
会议录	Proceedings - International Conference on Image Processing, ICIP
语种	英语
ISSN号	1522-4880
ISBN号	9781457713033
内容类型	会议论文
源URL	[http://ir.iscas.ac.cn/handle/311060/16246]
专题	软件研究所_软件所图书馆_会议论文
推荐引用方式 GB/T 7714	Deng Xiaoming,Wu Fuchao,Wu Yihong,et al. calibration of central catadioptric camera with one-dimensional object undertaking general motions[C]. 见:2011 18th IEEE International Conference on Image Processing, ICIP 2011. Brussels, Belgium. September.