FilterImages.pde

import gab.opencv.*;

OpenCV opencv;
PImage  img, thresh, blur, adaptive;

void setup() {
  img = loadImage("test.jpg");
  size(1080, 720);

  opencv = new OpenCV(this, img);  
  PImage gray = opencv.getSnapshot();
 
  opencv.threshold(80);
  thresh = opencv.getSnapshot();
  
  opencv.loadImage(gray);
  opencv.blur(12);  
  blur = opencv.getSnapshot();
  
  opencv.loadImage(gray);
  opencv.adaptiveThreshold(591, 1);
  adaptive = opencv.getSnapshot();
}

void draw() {
  pushMatrix();
  scale(0.5);
  image(img, 0, 0);
  image(thresh, img.width, 0);
  image(blur, 0, img.height);
  image(adaptive, img.width, img.height);
  popMatrix();

  fill(0);
  text("source", img.width/2 - 100, 20 );
  text("threshold", img.width - 100, 20 );
  text("blur", img.width/2 - 100, img.height/2 + 20 );
  text("adaptive threshold", img.width - 150, img.height/2 + 20 );
}