中文说明：这份文件里包括比较基础的图像处理代码：图像的灰度变换、图像增强、图像分割、图像配准及融合等，其中图像增强、图像分割、图像的配准融合方法的几种比较常见的方法都包含其中。
English Description：
This document includes the basic image processing code: image gray transformation, image enhancement, image segmentation, image registration and fusion, among which several common methods of image enhancement, image segmentation, image registration and fusion are included.