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chore: import upstream snapshot with attribution

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wehub-resource-sync
2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
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samples/java/tutorial_code/ImgProc/HitMiss/HitMiss.java
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import org.opencv.core.*;
import org.opencv.highgui.HighGui;
import org.opencv.imgproc.Imgproc;
class HitMissRun{
public void run() {
Mat input_image = new Mat( 8, 8, CvType.CV_8UC1 );
int row = 0, col = 0;
input_image.put(row ,col,
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 = new Mat( 3, 3, CvType.CV_16S );
kernel.put(row ,col,
0, 1, 0,
1, -1, 1,
0, 1, 0 );
Mat output_image = new Mat();
Imgproc.morphologyEx(input_image, output_image, Imgproc.MORPH_HITMISS, kernel);
int rate = 50;
Core.add(kernel, new Scalar(1), kernel);
Core.multiply(kernel, new Scalar(127), kernel);
kernel.convertTo(kernel, CvType.CV_8U);
Imgproc.resize(kernel, kernel, new Size(), rate, rate, Imgproc.INTER_NEAREST);
HighGui.imshow("kernel", kernel);
HighGui.moveWindow("kernel", 0, 0);
Imgproc.resize(input_image, input_image, new Size(), rate, rate, Imgproc.INTER_NEAREST);
HighGui.imshow("Original", input_image);
HighGui.moveWindow("Original", 0, 200);
Imgproc.resize(output_image, output_image, new Size(), rate, rate, Imgproc.INTER_NEAREST);
HighGui.imshow("Hit or Miss", output_image);
HighGui.moveWindow("Hit or Miss", 500, 200);
HighGui.waitKey(0);
System.exit(0);
}
}
public class HitMiss
{
public static void main(String[] args) {
// load the native OpenCV library
System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
new HitMissRun().run();
}
}