Calibrate works?

lib/opencv_processing/examples/BackgroundSubtraction/BackgroundSubtraction.pde

@@ -0,0 +1,37 @@
+import gab.opencv.*;
+import processing.video.*;
+
+Movie video;
+OpenCV opencv;
+
+void setup() {
+  size(720, 480);
+  video = new Movie(this, "street.mov");
+  opencv = new OpenCV(this, 720, 480);
+  
+  opencv.startBackgroundSubtraction(5, 3, 0.5);
+  
+  video.loop();
+  video.play();
+}
+
+void draw() {
+  image(video, 0, 0);  
+  opencv.loadImage(video);
+  
+  opencv.updateBackground();
+  
+  opencv.dilate();
+  opencv.erode();
+
+  noFill();
+  stroke(255, 0, 0);
+  strokeWeight(3);
+  for (Contour contour : opencv.findContours()) {
+    contour.draw();
+  }
+}
+
+void movieEvent(Movie m) {
+  m.read();
+}