视频捕捉图片并进行灰度处理24真彩图像转换成8为灰度图像-Video capture grayscale images and true color image processing 24 is converted into 8 gray-scale image

将24位真彩位图转换成灰度位图,已经生了执行文件,同时附有源代码-To convert a 24-bit true color bitmap to grayscale bitmap, had already taken, at the same time with the source code