Tutorial Hit-or-Miss

2017-08-20 22:54:38 +01:00
parent bc18fb481f
commit 18bc4db75c
5 changed files with 132 additions and 10 deletions
@@ -0,0 +1,58 @@
+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();
+    }
+}