OpenCV——PS滤镜，碎片特效-白红宇

OpenCV——PS滤镜，碎片特效

阅读量：4984 次

发布时间：2019-06-12

本文共 2197 字，大约阅读时间需要 7 分钟。

// 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"using namespace std;using namespace cv;void Show_Image(Mat&, const string &);#endif // PS_ALGORITHM_H_INCLUDED/*This program will generate "Fragment" effect.*/#include "PS_Algorithm.h"#include 
      
       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 Img_up(Image_in.rows, Image_in.cols, CV_32FC3);    Mat Img_down(Image_in.rows, Image_in.cols, CV_32FC3);    Mat Img_left(Image_in.rows, Image_in.cols, CV_32FC3);    Mat Img_right(Image_in.rows, Image_in.cols, CV_32FC3);    Image_2.copyTo(Img_up);    Image_2.copyTo(Img_down);    Image_2.copyTo(Img_left);    Image_2.copyTo(Img_right);    Mat temp1, temp2;    int offset=5;    int Rows=Image_in.rows;    int Cols=Image_in.cols;    // move downward    temp1=Image_2.rowRange(0, Rows-1-offset);    temp2=Img_up.rowRange(offset, Rows-1);    temp1.copyTo(temp2);    // move upward    temp1=Image_2.rowRange(offset, Rows-1);    temp2=Img_down.rowRange(0, Rows-1-offset);    temp1.copyTo(temp2);    // move left    temp1=Image_2.colRange(offset, Cols-1);    temp2=Img_left.colRange(0, Cols-1-offset);    temp1.copyTo(temp2);    // move right    temp1=Image_2.colRange(0, Cols-1-offset);    temp2=Img_right.colRange(offset, Cols-1);    temp1.copyTo(temp2);    Image_out=1/4.0*(Img_up+Img_down+Img_left+Img_right);    Image_out=1/255.0*Image_out;    Show_Image(Image_out, "out.jpg");    imwrite("out.jpg", Image_out*255);    waitKey();    cout<<"All is well."<
       
        #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);}