读入图像并显示,实现直方图均衡化,读入一幅图像, 进行直方图统计, 求图像的均值和二阶矩,读入两幅图像, 分别进行直方图统计, 以其中一个为规定化直方图实现另一图像的直方图规定化-Read into the image and displayed, histogram equalization, reads an image histogram, find the mean value of the image and second moment, and read into the two i