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基于张正友标定算法的内参数线性与非线性解算 被引量:9

Linear and Nonlinear Solving Methods of Camera Intrinsic Parameters Based on Zhang’s Algorithm
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摘要 基于张正友摄像机标定算法,从棋盘空间平面与像方平面的单应性关系出发,首先利用最小二乘方法解算单应性矩阵,然后通过单应性矩阵基本约束条件推导出两个约束方程,从而进行线性与非线性方式解算摄像机内参数。最后采用实际图像数据进行实验,验证了线性与非线性两种解算方法的可行性。 Based on the camera calibration algorithm proposed by Zhengyou Zhang,we firstly calculate the holography between image plane and space plane of the chessboard by way of the least square method.In the next step,two constraints equations are derived by two fundamental constraints of the holography.On the basis of the given equations,we work out the camera intrinsic parameters through linear and nonlinear solver methods,whose feasibility can be verified by experiments with real data.
作者 王政 胡志雄
出处 《郑州师范教育》 2013年第2期63-66,共4页 Journal of Zhengzhou Normal Education
关键词 摄像机标定 内方位元素 单应性矩阵 线性解算 非线性解算 camera calibration intrinsic parameters holography matrix linear solving nonlinear solving
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