里面包含5个pdf文件，分别从不同方面介绍了相机自动标定的方法，主要是介绍消失点和消失线的方法，都是比较老得论文，算法很详细，很经典。-Pdf file, which contains five from different camera auto-calibration method introduced vanishing point and vanishing line are relatively old paper, the algorithm is very detailed, ve