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| #include <cv.h> // open cv general include file
#include <highgui.h> // open cv GUI include file
#include <iostream> // standard C++ I/O
using namespace cv; // OpenCV API is in the C++ "cv" namespace
using namespace std;
int main( int argc, char** argv )
{
Mat inputImg;; // inputobject
Mat msgImg; //msgobject
Mat outputImg(Size (640,480),0); //outputImg
std::vector<int>params;
const string windowName = "OPENCV: basic image display"; // window name
// check that command line arguments are provided and image reads in OK
if((argc == 4) && !(inputImg = imread( argv[1], 0)).empty())
{
// create window object
// display image in window
msgImg = imread( argv[2],0);
// inverted binary image
for(int i=0; i<msgImg.rows; i++)
{
for(int j=0; j<msgImg.cols; j++)
{
if(msgImg.at<uchar>(i,j)==255)
msgImg.at<uchar>(i,j)=0;
if(msgImg.at<uchar>(i,j)==0)
msgImg.at<uchar>(i,j)=1;
outputImg.at<uchar>(i,j) = inputImg.at<uchar>(i,j) + msgImg.at<uchar>(i,j);
if(outputImg.at<uchar>(i,j)>255)
outputImg.at<uchar>(i,j)=255;
if(outputImg.at<uchar>(i,j)<0)
outputImg.at<uchar>(i,j)=0;
}
}
imshow("Output image",outputImg);
imwrite(argv[3], outputImg, params);
waitKey(0);
// all OK : main returns 0
return 0;
}
// not OK : main returns -1
return -1;
} |
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