The existence of numerous imaging modalities makes it possible to present different data present in different modalities together thus forming multimodal images. Component images forming multimodal images should be aligned, or registered so that all

这篇文章主要研究图像平滑问题，主要目的是对齐像素采用基于亮度的方法。-This paper studied the problem of image smoothing for the purpose of alignment by direct intensity-based methods.