多角度最小二乘匹配精度的研究

Research on the Precision of Multi-angle Least Squares Image Matching

如何估计匹配精度一直是匹配研究中的一个难点,最小二乘匹配被认为是精度较高的匹配方法,本文通过模拟实验发现最小二乘匹配的精度随着影像角度的增大而降低,它的验后精度通常小于实际的匹配误差,且二者的差别也是随着角度的增大而增加。

How to estimate the precision of image matching is an issue all along, and the lest squares （LS） image matching is regarded as the high accuracy matching. However, Our simulation indicates that the accuracy of LS decreases when stereo images has larger difference in view angle and the posterior accuracy is usually less than the real error. In addition, the difference between the posterior and the real is increasing while the view angle is becoming larger.