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| #include <opencv2\core\core.hpp>
#include <opencv2\highgui\highgui.hpp>
#include <iostream>
#include "stdio.h"
#include <opencv/cxcore.h>
#include <opencv/cv.h>
using namespace cv;
using namespace std;
int main()
{
Mat img = imread("C:/Users/sbi/Desktop/fire/Images/img1.png"); //read the image data in the file "image.JPG" and store it in 'img'
if (img.empty()) //check whether the image is loaded or not
{
cout << "Error : Image cannot be loaded..!!" << endl;
//system("pause"); //wait for a key press
return -1;
}
namedWindow("MyWindow1", CV_WINDOW_AUTOSIZE);
imshow("MyWindow1", img);
waitKey(0);
Mat img_gray;
GaussianBlur( img, img, Size(3,3), 0, 0, BORDER_DEFAULT);
cvtColor( img, img_gray, CV_BGR2GRAY);
namedWindow("MyWindow2", CV_WINDOW_AUTOSIZE);
imshow("MyWindow2", img_gray);
waitKey(0);
int dx=0;
Mat dx1(img_gray.size(), img_gray.type());
for (int i=2; i<img_gray.rows; i++)
{
for (int j=2; j<img_gray.cols; j++)
{
dx= (-1)*img_gray.at<uchar>(i-1,j) + img_gray.at<uchar>(i+1,j);
//cout<<"dx="<<dx;
dx1.at<uchar>(i-1, j-1)= abs(dx);
}
}
namedWindow("MyWindow3", CV_WINDOW_AUTOSIZE);
imshow("MyWindow3",dx1);
waitKey(0);
return 0;
} |
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