直方图均衡化，计算输入图像的直方图，归一化直方图，作索引表变换图像，可以归一化图像的亮度，并增强图像的对比度

Histogram equalization algorithm on-Histogram equalization algorithm on C C++

程序分别对彩色三通道图像和单通道的灰度图像进行了直方图均值化得处理。-Program were three channels of color images and grayscale images were single-channel histogram equalization have to deal with.