implement erode to get rid of unwanted colors

[3501/OpenCVShowImage] / IsolateImage.java

diff --git a/IsolateImage.java b/IsolateImage.java
index d9de95edfb609567c40f9f548c1e70e0917e911d..d2462da93c164557e00b634c794f757d7ea03117 100644 (file)
--- a/IsolateImage.java
+++ b/IsolateImage.java
@@ -1,34 +1,33 @@
-import java.awt.Panel;
-import java.awt.image.BufferedImage;
-
 import org.opencv.core.Core;
 import org.opencv.core.Mat;
+import org.opencv.core.Point;
 import org.opencv.core.Scalar;
+import org.opencv.core.Size;
 import org.opencv.imgcodecs.Imgcodecs;
+import org.opencv.imgproc.Imgproc;
 
-public class IsolateImage extends Panel {
-       BufferedImage filteredImage;
-       BufferedImage origImage;
+public class IsolateImage {
 
        public static Mat matOriginal;
        public static Mat filtered;
+       public static Mat kernel;
 
-       public static final Scalar LOWER_BOUNDS = new Scalar(103, 164, 169);
-       public static final Scalar UPPER_BOUNDS = new Scalar(125, 229, 255);
+       public static final Scalar LOWER_BOUNDS = new Scalar(169, 164, 103);
+       public static final Scalar UPPER_BOUNDS = new Scalar(255, 229, 140);
+       // public static final Scalar LOWER_BOUNDS = new Scalar(255, 0, 0);
+       // public static final Scalar UPPER_BOUNDS = new Scalar(0, 255, 255);
 
        static {
                System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
        }
 
-       public IsolateImage() {
-
-       }
-
        public static void main(String args[]) throws Exception {
 
                matOriginal = new Mat();
                filtered = new Mat();
 
+               kernel = Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(5, 5));
+
                processImage();
        }
 
@@ -36,7 +35,10 @@ public class IsolateImage extends Panel {
                matOriginal = Imgcodecs.imread("imgs/testpicture.png"); // convert image
                                                                                                                                // into matrix
 
+               filtered = matOriginal;
+
                Core.inRange(matOriginal, LOWER_BOUNDS, UPPER_BOUNDS, filtered);
+               Imgproc.erode(matOriginal, filtered, kernel, new Point(-1, -1), 2);
 
                Imgcodecs.imwrite("output.png", filtered);