duibidu.zip_对比度增强

#include<opencv/cv.h> #include<opencv/highgui.h> #include<iostream> using namespace cv; int main(int argc,char** argv) { double a; int b; Mat image=imread("lena.jpg",1); Mat new_image=Mat::zeros(image.size(),image.type()); std::cout<<"亮度增强参数设置"<<std::endl; std::cout<<"----------------"<<std::endl; std::cout<<"输入a值：";std::cin>>a; std::cout<<"输入b值：";std::cin>>b; for(int y=0;y<image.rows;y++) { for(int x=0;x<image.cols;x++) { for(int c=0;c<3;c++) { new_image.at<Vec3b>(y,x)[c]=saturate_cast<uchar>(a*image.at<Vec3b>(y,x)[c]+b); } } } namedWindow("Original Image",1); namedWindow("New Image",1); imshow("Original Image",image); imshow("New Image",new_image); waitKey(); return 0; }