List of usage examples for org.opencv.videoio VideoCapture VideoCapture
public VideoCapture()
From source file:OCV_CntrlUvcCamera.java
License:Open Source License
@Override public void run(ImageProcessor arg0) { boolean bret = true; // ----- stop dialog during continuous grabbing ----- diag_free = new JDialog(diag_free, title, false); JButton but_stop_cont = new JButton("Stop"); but_stop_cont.addMouseListener(new MouseAdapter() { @Override/*from w w w . j a v a 2 s . co m*/ public void mouseClicked(MouseEvent e) { flag_fin_loop = true; diag_free.dispose(); } }); diag_free.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { flag_fin_loop = true; } }); diag_free.add(but_stop_cont); diag_free.setSize(100, 75); // ----- end of stop dialog ----- // initialize camera VideoCapture src_cap = new VideoCapture(); Mat src_mat = new Mat(); bret = src_cap.open(device); if (!bret) { IJ.error("Camera initialization is failed."); diag_free.dispose(); return; } src_cap.set(CV_CAP_PROP_FRAME_WIDTH, width); src_cap.set(CV_CAP_PROP_FRAME_HEIGHT, height); // Setting the image display window width = (int) src_cap.get(CV_CAP_PROP_FRAME_WIDTH); height = (int) src_cap.get(CV_CAP_PROP_FRAME_HEIGHT); ImagePlus impDsp = IJ.createImage(title, width, height, 1, 24); int[] impdsp_intarray = (int[]) impDsp.getChannelProcessor().getPixels(); impDsp.show(); impDsp.setRoi(0, 0, impDsp.getWidth(), impDsp.getHeight()); // show stop dialog diag_free.setVisible(true); // run for (;;) { if (flag_fin_loop) { break; } // grab impDsp.startTiming(); bret = src_cap.read(src_mat); IJ.showTime(impDsp, impDsp.getStartTime(), title + " : "); if (!bret) { IJ.error("Error occurred in grabbing."); diag_free.dispose(); break; } if (src_mat.empty()) { IJ.error("Mat is empty."); diag_free.dispose(); break; } // display if (src_mat.type() == CvType.CV_8UC3) { OCV__LoadLibrary.mat2intarray(src_mat, impdsp_intarray, width, height); } else { IJ.error("Color camera is supported only."); diag_free.dispose(); break; } impDsp.draw(); // wait wait(wait_time); } diag_free.dispose(); if (src_cap.isOpened()) { src_cap.release(); } }
From source file:carmelo.JavaFXOpenCV.java
@Override public void start(Stage primaryStage) { capture = new VideoCapture(); // servicio que ejecutar la captura periodicamente service = new ScheduledService<Image>() { @Override//from w w w.ja va 2 s. c om protected Task<Image> createTask() { // crear un CameraTask usando el VideoCapture y // el metodo para procesar la imagen idicado JavaFXOpenCV.this::procesarImagen return new CameraTask(capture, JavaFXOpenCV.this::procesarImagen); } }; // ejecutar el servicio cada 33.3 ms service.setPeriod(Duration.millis(33.333333)); // al finalizar cada ejecucion ejecutar el metodo this::ready service.setOnReady(this::ready); imageView = new ImageView(); imageView.setFitHeight(600); imageView.setFitWidth(800); Button btn = new Button(); btn.setText("Iniciar Camara"); btn.setOnAction(this::start); VBox root = new VBox(imageView, btn); root.setPadding(new Insets(10.0)); root.setSpacing(10.0); Scene scene = new Scene(root); primaryStage.setTitle("JavaFX & OpenCV"); primaryStage.setScene(scene); primaryStage.sizeToScene(); primaryStage.setOnCloseRequest(this::stop); primaryStage.setResizable(false); primaryStage.show(); }
From source file:cctvanalization.FXMLDocumentController.java
@Override public void initialize(URL url, ResourceBundle rb) { videoCapture = new VideoCapture(); grabbedFramesPrev = new ArrayList<>(); grabbedFramesNext = new ArrayList<>(); grabbedFramesTemp = new ArrayList<>(); currentFrame = new Mat(); previousFrame = new Mat(); Timeline timeline = new Timeline(); KeyFrame keyFrame = new KeyFrame(Duration.millis(10), event -> { if (grabbedFramesPrev.size() > 1) { System.out.println("Frames found"); currentFrame = grabbedFramesPrev.get(grabbedFramesPrev.size() - 1); previousFrame = grabbedFramesPrev.get(grabbedFramesPrev.size() - 2); // Mat subtraction = new Mat(); // System.out.println("Mat created"); for (int r = 0; r < currentFrame.height(); r++) { for (int c = 0; c < currentFrame.width(); c++) { double currentValue[] = currentFrame.get(r, c); double previousValue[] = previousFrame.get(r, c); double newValue = currentValue[0] - previousValue[0]; if (newValue < 0) { newValue = 0;// www . ja va 2s . c om } // System.out.printf("%f ", newValue); // subtraction.put(r, c, newValue); if (newValue > 10) { int changes = 0; for (int i = r - 10; i <= r; i++) { for (int j = c - 10; j <= c; j++) { if (i >= 0 && j >= 0) { double currCheckValue[] = currentFrame.get(i, j); double prevCheckValue[] = previousFrame.get(i, j); double checkValue = currCheckValue[0] - prevCheckValue[0]; if (checkValue < 0) { checkValue = 0; } if (checkValue > 10) { changes = changes + 1; } } } } if (changes > 40) { System.out.println("ChangeFound"); if (alarmCont == 0) { alarmCont = 1; } if (alarmCont == 1) { ringAlarm(); saveFrame(currentFrame, "changedFrame", "png"); alarmCont = 2; } break; } } } // System.out.printf("\n"); } } }); timeline.getKeyFrames().add(keyFrame); timeline.setCycleCount(Timeline.INDEFINITE); timeline.play(); }
From source file:com.ibm.streamsx.edgevideo.device.Camera.java
License:Open Source License
public void open() { if (initialized) return;//from w ww . j av a 2 s . c om camera = new VideoCapture(); // Properties seem to be a sore spot in OpenCV. // Some properties aren't supported on certain cameras and it // can be hard to tell which are/arent. // In some (all?) cases, setting a property before the device // is opened has no effect. camera.open(cameraDeviceIndex); initialized = true; checkOpened(); adjustForFps(); }
From source file:houghtransform.CaptureJFrame.java
/** * Creates new form CaptureJFrame/*from w w w. j a v a 2 s .c om*/ * @param choiceT * @throws java.io.IOException */ public CaptureJFrame(int choiceT) throws IOException { initComponents(); this.choiceT = choiceT; this.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent we) { for (int i = 0; i < thrN; i++) { thread[i].stop(); } for (int i = 0; i < thrN; i++) { try { thread[i].t.join(); } catch (InterruptedException ex) { System.out.println("Parent thread is die!!!"); } } frameRate.cancel(); task.cancel(); webCam.release(); dispose(); } }); System.loadLibrary(Core.NATIVE_LIBRARY_NAME); webCam = new VideoCapture(); webCam.open(0); if (webCam.isOpened() == false) throw new IOException("No access to camera!!!"); int width = (int) webCam.get(CV_CAP_PROP_FRAME_WIDTH); int height = (int) webCam.get(CV_CAP_PROP_FRAME_HEIGHT); this.setSize(width * 2 + 25, height + 80); for (int i = 0; i < thrN; i++) { thread[i] = new Capture(this, webCam, i, choiceT); thread[i].start(); } frameRate.scheduleAtFixedRate(task, 1000, 1000); }
From source file:imagegame.Camera.java
public Camera() { super("Camera - click screen to take a picture"); initComponents();//from w ww. ja va 2s . c o m setLayout(new BorderLayout()); setLibraryPath(); System.loadLibrary(Core.NATIVE_LIBRARY_NAME); videoCapture = new VideoCapture(); videoCapture.open(0); System.out.println("Camera open: " + videoCapture.isOpened()); if (videoCapture.isOpened()) { this.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { // Implementation here stop(); System.out.println("Camera released"); } });//end WindowListener JPanel cameraJPanel = new JPanel() { @Override public void paint(Graphics g) { g.drawImage(image, 0, 0, this); } }; cameraJPanel.setPreferredSize(new Dimension(420, 500)); add(cameraJPanel, BorderLayout.NORTH); Runnable frameGrabber; frameGrabber = () -> { Mat mat = new Mat(); videoCapture.read(mat); image = mat2BufferedImage(mat); //g.drawImage(image, 0, 0,this); cameraJPanel.repaint(); // rectList.stream().forEach((Rectangle2D rect) -> { // g2d.strokeRect(rect.getMinX(), rect.getMinY(), rect.getWidth(), rect.getHeight()); // }); }; //end frameGrabber this.timer = Executors.newSingleThreadScheduledExecutor(); this.timer.scheduleAtFixedRate(frameGrabber, 0, 133, TimeUnit.MILLISECONDS); } else {//if videoCapture.isOpen() is false JOptionPane.showMessageDialog(null, "You have no camera installed"); } }
From source file:intrudersrecorder.MainFXMLDocumentController.java
@Override public void initialize(URL url, ResourceBundle rb) { vidCap = new VideoCapture(); previousMatrix = new Mat(); subtractionResult = new Mat(); col = new ArrayList<>(); resolutionWidth = 100;// w w w . jav a2s . c o m resolutionHeight = 100; sliderInit(); resSliderListener(); pixDiffSliderListener(); objSizeSliderListener(); cameraSwitch.setStyle("-fx-background-color: red"); }
From source file:Main.Camera.CameraController.java
private matScale = 1; //from w w w. jav a 2s.com @Override public void initialize(URL url, ResourceBundle rb) { System.loadLibrary(Core.NATIVE_LIBRARY_NAME); capture = new VideoCapture(); FaceRect = new Rectangle(); FaceRect.setX(0); FaceRect.setY(0); FaceRect.setWidth(150); FaceRect.setHeight(150); System.err.println("CURRENT FRAM WIDTH: " + currentFrame.fitWidthProperty().intValue()); System.err.println("CURRENT FRAM Height: " + currentFrame.fitHeightProperty().intValue()); }
From source file:objectdetection.VideoCap.java
VideoCap() {
cap = new VideoCapture();
// cap.open(0);
}
From source file:odroidrovone.UVC.java
public UVC() { stdCam = new VideoCapture(); JPanel j; }