OpenCV -- PS filter vortex vertex
// define head function#ifndef PS_ALGORITHM_H_INCLUDED#define PS_ALGORITHM_H_INCLUDED#include
#include
#include "cv.h"#include "highgui.h"#include "cxmat.hpp"#include "cxcore.hpp"#include "math.h"using namespace std;using namespace cv;void Show_Image(Mat&, const string &);#endif // PS_ALGORITHM_H_INCLUDED#include "PS_Algorithm.h"#include
using namespace std;using namespace cv;#define pi 3.1415926int main(){ string Img_name("4.jpg"); Mat Img; Img=imread(Img_name); Mat Img_out(Img.size(), CV_8UC3); Img.copyTo(Img_out); int width=Img.cols; int height=Img.rows; int N=70; Point Center(width/2, height/2); float radius,Dis,new_x,new_y; float p,q,x1,y1,x0,y0; float theta; for (int y=0; y
=width-1) new_x=width-2; if(new_y<0) new_y=0; if(new_y>=height-1) new_y=height-2; x1=(int)new_x; y1=(int)new_y; p=new_x-x1; q=new_y-y1; for (int k=0; k<3; k++) { Img_out.at
(y, x)[k]=(1-p)*(1-q)*Img.at
(y1, x1)[k]+ (p)*(1-q)*Img.at
(y1,x1+1)[k]+ (1-p)*(q)*Img.at
(y1+1,x1)[k]+ (p)*(q)*Img.at
(y1+1,x1+1)[k]; } } } Img_out=Img_out; Show_Image(Img_out, "out"); imwrite("Out.jpg", Img_out); waitKey();}// define the show image#include "PS_Algorithm.h"#include
#include
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);}
Source image