FaceRecog.App.java Source code

Introduction

Here is the source code for FaceRecog.App.java

Source

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package FaceRecog;

import java.awt.Image;
import java.io.File;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.videoio.Videoio;
import org.opencv.videoio.VideoCapture;

public class App {
    static {
        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
    }
    private JFrame frame;
    private JLabel imageLabel;

    public static void main(String[] args) {
        App app = new App();
        app.initGUI();
        app.runMainLoop(args);
    }

    private void initGUI() {
        frame = new JFrame("Camera Input Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400, 400);
        imageLabel = new JLabel();
        frame.add(imageLabel);
        frame.setVisible(true);
    }

    private void runMainLoop(String[] args) {
        ImageProcessor imageProcessor = new ImageProcessor();
        Mat webcamMatImage = new Mat();
        Image tempImage;
        VideoCapture capture = new VideoCapture(0);
        capture.set(Videoio.CAP_PROP_FRAME_WIDTH, 320);
        capture.set(Videoio.CAP_PROP_FRAME_HEIGHT, 240);
        if (capture.isOpened()) {
            while (true) {
                capture.read(webcamMatImage);
                if (!webcamMatImage.empty()) {
                    tempImage = imageProcessor.toBufferedImage(webcamMatImage);
                    ImageIcon imageIcon = new ImageIcon(tempImage, "Captured video");
                    imageLabel.setIcon(imageIcon);
                    frame.pack(); //this will resize the window to fit the image
                } else {
                    System.out.println(" -- Frame not captured -- Break!");
                    break;
                }
            }
        } else {
            System.out.println("Couldn't open capture.");
        }
    }
}