include <opencv2/opencv.hpp>

include

using namespace cv;
using namespace std;
int main() {
Mat src = imread("test.jpg"); //读取图片
Mat gray, binary, normalized; //声明灰度图、二值化图、归一化后的浮点型图像

//RGB转换为灰度图：
cvtColor(src, gray, CV_BGR2GRAY);

//二值化处理：
threshold(gray, binary, 120, 255, THRESH_BINARY);

//归一化处理：
normalize(binary.clone(), normalized , 0.0 , 1.0 , NORM_MINMAX);

return 0; }