public static void main(String args[]) { // Load the OpenCV library System.loadLibrary(Core.NATIVE_LIBRARY_NAME); // Setup the camera VideoCapture camera = new VideoCapture(); camera.open(0); // Create GUI windows to display camera output and OpenCV output int width = 320; int height = 240; camera.set(Highgui.CV_CAP_PROP_FRAME_WIDTH, width); camera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, height); JLabel cameraPane = createWindow("Camera output", width, height); JLabel opencvPane = createWindow("OpenCV output", width, height); // Main loop Mat rawImage = new Mat(); while (true) { // Wait until the camera has a new frame while (!camera.read(rawImage)) { try { Thread.sleep(1); } catch (InterruptedException e) { e.printStackTrace(); } } // Process the image however you like Mat binary = Detection.detectHueRange(rawImage); org.opencv.core.Point center = Detection.nextCenter(binary, width / 2, height / 2, 5); Mat processedImage = Detection.convertC(binary); System.out.println(center.x); System.out.println(center.y); // Mat lines = Detection.detectEdges(rawImage, 80, 3); // List<org.opencv.core.Point> edges = Detection.findWallEdges(lines, rawImage, // 25); // Detection.drawLines(binary, edges); // Mat processedImage = Detection.convertC(binary); Mat edges = Detection.contourImage(rawImage, 150, 3); Detection.hueEdges(rawImage, edges); Mat edgesC = Detection.convertC(edges); // List<org.opencv.core.Point> lines = Detection.hueLines(edges); // Detection.drawLines(binary, lines); // Mat processedImage = Detection.convertC(binary); // Update the GUI windows updateWindow(cameraPane, rawImage); // updateWindow(opencvPane, processedImage); updateWindow(opencvPane, edgesC); } }
/** Capture images and run color processing through here */ public void capture() { VideoCapture camera = new VideoCapture(); camera.set(12, -20); // change contrast, might not be necessary // CaptureImage image = new CaptureImage(); camera.open(0); // Useless if (!camera.isOpened()) { System.out.println("Camera Error"); // Determine whether to use System.exit(0) or return } else { System.out.println("Camera OK"); } boolean success = camera.read(capturedFrame); if (success) { try { processWithContours(capturedFrame, processedFrame); } catch (Exception e) { System.out.println(e); } // image.processFrame(capturedFrame, processedFrame); // processedFrame should be CV_8UC3 // image.findCaptured(processedFrame); // image.determineKings(capturedFrame); int bufferSize = processedFrame.channels() * processedFrame.cols() * processedFrame.rows(); byte[] b = new byte[bufferSize]; processedFrame.get(0, 0, b); // get all the pixels // This might need to be BufferedImage.TYPE_INT_ARGB img = new BufferedImage( processedFrame.cols(), processedFrame.rows(), BufferedImage.TYPE_INT_RGB); int width = (int) camera.get(Highgui.CV_CAP_PROP_FRAME_WIDTH); int height = (int) camera.get(Highgui.CV_CAP_PROP_FRAME_HEIGHT); // img.getRaster().setDataElements(0, 0, width, height, b); byte[] a = new byte[bufferSize]; System.arraycopy(b, 0, a, 0, bufferSize); Highgui.imwrite("camera.jpg", processedFrame); System.out.println("Success"); } else System.out.println("Unable to capture image"); camera.release(); }
/* (non-Javadoc) * @see java.lang.Runnable#run() */ @Override public void run() { if (MODE.equals("VIDEO")) { Mat capturedImage = new Mat(); VideoCapture vc = new VideoCapture(DEVICE); if (!vc.isOpened()) { System.out.println("Capture Failed!"); return; } System.out.println("Device " + DEVICE + " opened"); // set captured resolution vc.set(Highgui.CV_CAP_PROP_FRAME_WIDTH, 640); vc.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, 480); // Manually set exposure vc.set(15, -11); while (true) { vc.read(capturedImage); if (capturedImage != null) { // flip the image to compensate for camera orientation Core.flip(capturedImage, capturedImage, -1); capturedImage.copyTo(finalDisplayImg); parseImage(capturedImage); } } } else { // STILL IMAGE Mat capturedImage = Highgui.imread(IMAGE_FILEPATH); while (true) { if (needUpdate) { capturedImage.copyTo(finalDisplayImg); parseImage(capturedImage); needUpdate = false; } } } }