challenge-bot.com Git - 3501/OpenCVShowImage/blob - IsolateImage.java

   1 import org.opencv.core.Core;
   2 import org.opencv.core.Mat;
   3 import org.opencv.core.Point;
   4 import org.opencv.core.Scalar;
   5 import org.opencv.core.Size;
   6 import org.opencv.imgcodecs.Imgcodecs;
   7 import org.opencv.imgproc.Imgproc;
   8
   9 public class IsolateImage {
  10
  11         public static Mat matOriginal;
  12         public static Mat filtered;
  13         public static Mat kernel;
  14
  15         public static final Scalar LOWER_BOUNDS = new Scalar(169, 164, 103);
  16         public static final Scalar UPPER_BOUNDS = new Scalar(255, 229, 140);
  17         // public static final Scalar LOWER_BOUNDS = new Scalar(255, 0, 0);
  18         // public static final Scalar UPPER_BOUNDS = new Scalar(0, 255, 255);
  19
  20         static {
  21                 System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
  22         }
  23
  24         public static void main(String args[]) throws Exception {
  25
  26                 matOriginal = new Mat();
  27                 filtered = new Mat();
  28
  29                 kernel = Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(5, 5));
  30
  31                 processImage();
  32         }
  33
  34         public static void processImage() {
  35                 matOriginal = Imgcodecs.imread("imgs/testpicture.png"); // convert image
  36                                                                                                                                 // into matrix
  37
  38                 filtered = matOriginal;
  39
  40                 Core.inRange(matOriginal, LOWER_BOUNDS, UPPER_BOUNDS, filtered);
  41                 Imgproc.erode(matOriginal, filtered, kernel, new Point(-1, -1), 2);
  42
  43                 Imgcodecs.imwrite("output.png", filtered);
  44
  45         }
  46 }