Abstract: A linear camera calibration method with vanishing point and the invariance of cross-ratio is proposed. It needn’t know metric measurement on the model plane and the correspondences between points on the model plane and image, and it can be done fully automatically. Experimental results show that the new technique is robust and accurate.

Key words: camera calibration, vanishing point, cross-ratio

摘要： 提出一种完全线性的针孔摄像机标定方法。在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。该方法简单易用，不涉及图像的匹配问题，也无须知道任何物理度量，整个定标过程可以自动进行。实验表明，该方法精确度较高，鲁棒性较强，有一定的实用性。

关键词: 摄像机标定, 消隐点, 交比

CLC Number: 

• TP391