In this paper, it is the first time for us to add the pyramid model to the algorithm by Vandewalle et al. to increase the accuracy by coarse-to-fine registering layered down-sampled images.

本文中首次尝试了在频率域算法中加入金字塔模型，对原本低分辨率图像进行若干次下采样后层层配准提高精度。

youdao

A coarse-to-fine location algorithm is introduced to locate driver's face.

文中采用一个由粗到精的人脸定位算法来进行驾驶员面部定位。

youdao