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#include <opencv2/core.hpp>
#include <opencv2/imgproc.hpp>
#include <opencv2/highgui.hpp>
using namespace cv;
int main(){
Mat input_image = (Mat_<uchar>(8, 8) <<
0, 0, 0, 0, 0, 0, 0, 0,
0, 255, 255, 255, 0, 0, 0, 255,
0, 255, 255, 255, 0, 0, 0, 0,
0, 255, 255, 255, 0, 255, 0, 0,
0, 0, 255, 0, 0, 0, 0, 0,
0, 0, 255, 0, 0, 255, 255, 0,
0, 255, 0, 255, 0, 0, 255, 0,
0, 255, 255, 255, 0, 0, 0, 0);
Mat kernel = (Mat_<int>(3, 3) <<
0, 1, 0,
1, -1, 1,
0, 1, 0);
Mat output_image;
morphologyEx(input_image, output_image, MORPH_HITMISS, kernel);
const int rate = 50;
kernel = (kernel + 1) * 127;
kernel.convertTo(kernel, CV_8U);
resize(kernel, kernel, Size(), rate, rate, INTER_NEAREST);
imshow("kernel", kernel);
moveWindow("kernel", 0, 0);
resize(input_image, input_image, Size(), rate, rate, INTER_NEAREST);
imshow("Original", input_image);
moveWindow("Original", 0, 200);
resize(output_image, output_image, Size(), rate, rate, INTER_NEAREST);
imshow("Hit or Miss", output_image);
moveWindow("Hit or Miss", 500, 200);
waitKey(0);
return 0;
}
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