程序完成 “毛玻璃” 特效， 不过边缘没有处理，使得最终的图像有黑边。
不过，有了黑边，感觉效果也不错，所以这个bug 没有管。
#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"diffuse or groundglass " 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_2(Image_in.size(), CV_32FC3);Image_in.convertTo( Image_2, CV_32FC3);Mat Image_Blur(Image_in.size(), CV_32FC3);GaussianBlur(Image_2, Image_Blur, Size (5, 5), 0);Image_Blur=Image_Blur/255;Show_Image(Image_Blur, "blur");int nrows=Image_Blur.rows;int ncols=Image_Blur.cols;cout<<"Rows: "<<nrows<<endl;cout<<"Cols: "<<ncols<<endl;Mat Image_Out(Image_Blur.size(), CV_32FC3);int P_size; P_size=3;float k1, k2;float m, n;int h, w;srand( (unsigned)time(NULL) );for (int i=0+P_size; i<nrows-P_size; i++ )for (int j=0+P_size; j<ncols-P_size; j++ ){k1=(double)((rand() % 100))/100.0-0.5;k2=(double)((rand() % 100))/100.0-0.5;m=(k1*(P_size*2-1));n=(k2*(P_size*2-1));h=(int)(i+m)% nrows;w=(int)(j+n)% ncols;Image_Out.at<Vec3f>(i,j)=Image_Blur.at<Vec3f>(h,w);}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
