SimpleOpenNI Blobs

import hypermedia.video.*;
import SimpleOpenNI.*;

SimpleOpenNI ni;
OpenCV cv;

void setup(){
  size(640,480);stroke(0,192,0);//basic setup
  ni = new SimpleOpenNI(this);
  if(SimpleOpenNI.deviceCount() == 0) ni.openFileRecording("/Users/hm/Documents/Processing/tests/OpenNIPoseRecorder/data/20Apr2013-16.07.oni");
  ni.enableDepth();
  cv = new OpenCV(this);
  cv.allocate(width,height);//tell OpenCV to allocate memory for the pixels we'll use from the depth sensor
}
void draw(){
  //update
  ni.update();
  cv.copy(ni.depthImage());//copy data from depth sensor to opencv
  cv.blur(BLUR,((int)map(mouseY,0,height,0,4)*2)+1);//optionally smooth/blur a bit: blur value should be odd (1, 3, 5, …), so that a pixel neighborhood used for smoothing operation is symmetrical relative to the pixel.
  cv.threshold(map(mouseX,0,width,0,255));//threshold
  Blob[] blobs = cv.blobs( 10, width*height/2, 100, true, OpenCV.MAX_VERTICES*4 );
  //draw
  image(cv.image(),0,0);//threshold result
  for( int i=0; i<blobs.length; i++ ) {//blobs
    beginShape();
    for( int j=0; j<blobs[i].points.length; j++ )
      vertex( blobs[i].points[j].x, blobs[i].points[j].y );
    endShape(CLOSE);
  }
}