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。
A linear camera calibration method with vanishing point and the invariance of cross-ratio is proposed.
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。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
该方法仅需4对消隐点象面坐标便可线性求解出旋转矩阵，再用2个空间点坐标便可线性求解出平移矢量。
The rotation matrix can be linearly acquired by using only 4 vanishing points and the translation vector can be linearly solved by using only 2 spatial point objects.
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