具体的算法原理可以参考:
// 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
"Relief" 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_1;
K_1=Mat::zeros(kernel_size, kernel_size, CV_32F);
float p;
p=3;
K_1.at<float>(0,2)=p;
K_1.at<float>(2,0)=-p;
Mat Image_x(Image_in.size(), CV_32FC3);
cv::filter2D(Image_2, Image_x, ddepth, K_1);
cv::add(Image_x, Scalar(128.0, 128.0, 128.0), Image_out);
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);
}
原图
效果图