早期的实验都是在低分辨率的条件下进行的。
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。
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.
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