实现了比较两图像的相似度，先转化为相同大小，然后生成图像的颜色直方图，最后比较两直方图的相似度,To realize the similarity of two images, first into the same size, and then generate the image color histogram, and finally compare the similarity of two histograms

内含图片处理类库，可对图像进行高速高保真任意角度旋转、添加水印文字、添加各种滤镜效果、进行颜色、对比度、灰度、等各种常用处理-Includes image processing libraries, high fidelity images can rotate at any angle, add watermark text, add a variety of filter effects, for color, contrast, gray, and other commonly used

csharp经典源代码，RGB颜色转化为16进制代码，互相转化。可以查看颜色值。-RGB to 16，and 16 to RGB