Calibrate works?

lib/opencv_processing/examples/DepthFromStereo/DepthFromStereo.pde

@@ -0,0 +1,58 @@
+import gab.opencv.*;
+import org.opencv.core.Mat;
+import org.opencv.calib3d.StereoBM;
+import org.opencv.core.CvType;
+import org.opencv.calib3d.StereoSGBM;
+
+OpenCV ocvL, ocvR;
+PImage  imgL, imgR, depth1, depth2;
+
+void setup() {
+
+  imgL = loadImage("scene_l.jpg");
+  imgR = loadImage("scene_r.jpg");
+  ocvL = new OpenCV(this, imgL);
+
+  ocvR = new OpenCV(this, imgR);
+
+  size(ocvL.width * 2, ocvL.height*2);
+
+  ocvL.gray();
+  ocvR.gray();
+  Mat left = ocvL.getGray();
+  Mat right = ocvR.getGray();
+
+  Mat disparity = OpenCV.imitate(left);
+
+  StereoSGBM stereo =  new StereoSGBM(0, 32, 3, 128, 256, 20, 16, 1, 100, 20, true);
+  stereo.compute(left, right, disparity );
+
+  Mat depthMat = OpenCV.imitate(left);
+  disparity.convertTo(depthMat, depthMat.type());
+
+  depth1 = createImage(depthMat.width(), depthMat.height(), RGB);
+  ocvL.toPImage(depthMat, depth1);
+
+  StereoBM stereo2 = new StereoBM();
+  stereo2.compute(left, right, disparity );
+  disparity.convertTo(depthMat, depthMat.type());
+
+
+  depth2 = createImage(depthMat.width(), depthMat.height(), RGB);
+  ocvL.toPImage(depthMat, depth2);
+}
+
+void draw() {
+  image(imgL, 0, 0);
+  image(imgR, imgL.width, 0);
+
+  image(depth1, 0, imgL.height);
+  image(depth2, imgL.width, imgL.height);
+
+  fill(255, 0, 0);
+  text("left", 10, 20);
+  text("right", 10 + imgL.width, 20);
+  text("stereo SGBM", 10, imgL.height + 20);
+  text("stereo BM", 10 + imgL.width, imgL.height+ 20);
+}
+