OpenCV——照亮边缘

来源：互联网发布：不需要的战争知乎编辑：程序博客网时间：2024/06/05 05:18
具体的算法原理可以参考：
PS滤镜，照亮边缘
// define head function#ifndef PS_ALGORITHM_H_INCLUDED#define PS_ALGORITHM_H_INCLUDED#include <iostream>#include <string>#include "cv.h"#include "highgui.h"#include "cxmat.hpp"#include "cxcore.hpp"using namespace std;using namespace cv;void Show_Image(Mat&, const string &);#endif // PS_ALGORITHM_H_INCLUDED/*This program will generate "Glowing Edge" effect.*/#include "PS_Algorithm.h"#include <time.h>using namespace std;using namespace cv;int main(void){    string Img_name("4.jpg");    Mat Image_in;    Image_in=imread(Img_name);    Show_Image(Image_in, Img_name);    Mat Image_out(Image_in.size(), CV_32FC3);    Image_in.convertTo(Image_out, CV_32FC3);    Mat Image_2(Image_in.size(), CV_32FC3);    Image_in.convertTo( Image_2, CV_32FC3);     Mat kernel;     Point anchor;     double delta;     int ddepth;     int kernel_size;     ddepth=-1;     anchor=Point(-1,-1);     delta=0;     kernel_size=3;     Mat K_x;     Mat K_y;     K_x=Mat::zeros(kernel_size, kernel_size, CV_32F);     K_y=Mat::zeros(kernel_size, kernel_size, CV_32F);     float p,q;     p=3; q=0;     K_x.at<float>(0,0)=-1;  K_x.at<float>(0,1)=0; K_x.at<float>(0,2)=1;     K_x.at<float>(1,0)=-p;  K_x.at<float>(1,1)=q;  K_x.at<float>(1,2)=p;     K_x.at<float>(2,0)=-1;  K_x.at<float>(2,1)=0;  K_x.at<float>(2,2)=1;     K_y.at<float>(0,0)=-1; K_y.at<float>(0,1)=-p; K_y.at<float>(0,2)=-1;     K_y.at<float>(1,0)=0;  K_y.at<float>(1,1)=q;  K_y.at<float>(1,2)=0;     K_y.at<float>(2,0)=1;  K_y.at<float>(2,1)=p;  K_y.at<float>(2,2)=1;     Mat Image_x(Image_in.size(), CV_32FC3);     Mat Image_y(Image_in.size(), CV_32FC3);     cv::filter2D(Image_2, Image_x, ddepth, K_x);     cv::filter2D(Image_2, Image_y, ddepth, K_y);     float alpha=0.5;     Image_out=alpha*abs(Image_x)+(1-alpha)*abs(Image_y);    Image_out=Image_out/255;    Show_Image(Image_out, "out.jpg");    imwrite("out.jpg", Image_out*255);    waitKey();    cout<<"All is well."<<endl;}#include "PS_Algorithm.h"#include <iostream>#include <string>using namespace std;using namespace cv;void Show_Image(Mat& Image, const string& str){    namedWindow(str.c_str(),CV_WINDOW_AUTOSIZE);    imshow(str.c_str(), Image);}
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