Create FaceRecognitionExample.java

Author: Cat-Gawr

Java/FaceRecognitionExample.java

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+package cv;
+
+/**
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install,
+ *  copy or use the software.
+ *
+ *
+ *   License Agreement
+ *   For Open Source Computer Vision Library
+ *   (3-clause BSD License)
+ *
+ *   Copyright (C) 2000-2015, Intel Corporation, all rights reserved.
+ *   Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved.
+ *   Copyright (C) 2009-2015, NVIDIA Corporation, all rights reserved.
+ *   Copyright (C) 2010-2013, Advanced Micro Devices, Inc., all rights reserved.
+ *   Copyright (C) 2015, OpenCV Foundation, all rights reserved.
+ *   Copyright (C) 2015, Itseez Inc., all rights reserved.
+ *   Third party copyrights are property of their respective owners.
+ *
+ *   Redistribution and use in source and binary forms, with or without modification,
+ *   are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ *
+ *   * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ *   * Neither the names of the copyright holders nor the names of the contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ *   This software is provided by the copyright holders and contributors "as is" and
+ *   any express or implied warranties, including, but not limited to, the implied
+ *   warranties of merchantability and fitness for a particular purpose are disclaimed.
+ *   In no event shall copyright holders or contributors be liable for any direct,
+ *   indirect, incidental, special, exemplary, or consequential damages
+ *   (including, but not limited to, procurement of substitute goods or services;
+ *   loss of use, data, or profits; or business interruption) however caused
+ *   and on any theory of liability, whether in contract, strict liability,
+ *   or tort (including negligence or otherwise) arising in any way out of
+ *   the use of this software, even if advised of the possibility of such damage.
+ */
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+import java.io.File;
+
+public class FaceRecognitionExample extends JFrame implements ActionListener {
+
+    private JPanel imagePanel;
+    private JLabel imageLabel;
+    private final JButton loadImage;
+    private final JButton exit;
+    private final JFileChooser fileChooser;
+    private final FaceDetector faceDetector;
+
+    public FaceRecognitionExample()  {
+        imagePanel = new JPanel();
+        imageLabel = new JLabel();
+        loadImage = new JButton("Load Image from disk");
+        exit = new JButton("Exit");
+        fileChooser = new JFileChooser();
+        faceDetector = new FaceDetector();
+
+        loadImage.addActionListener(this);
+        exit.addActionListener(this);
+        JPanel buttonPanel = new JPanel();
+        buttonPanel.add(loadImage);
+        buttonPanel.add(exit);
+        imagePanel.add(imageLabel);
+
+        this.add(imagePanel, BorderLayout.CENTER);
+        this.add(buttonPanel, BorderLayout.PAGE_END);
+        this.setMinimumSize(new Dimension(600, 500));
+        this.setLocationRelativeTo(null);
+        this.setVisible(true);
+        this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+    }
+
+    public void actionPerformed(ActionEvent e) {
+        if (e.getSource() == loadImage) {
+            int returnVal = fileChooser.showOpenDialog(FaceRecognitionExample.this);
+
+            if (returnVal == JFileChooser.APPROVE_OPTION) {
+                File image = fileChooser.getSelectedFile();
+                drawImage(image);
+            }
+        } else if (e.getSource() == exit) {
+            System.exit(0);
+        }
+    }
+
+    private void drawImage(File image) {
+        BufferedImage modifiedImageWithRectaglesDrawnAroundFaces = faceDetector.detectFace(image.getPath());
+        imageLabel.setIcon(new ImageIcon(modifiedImageWithRectaglesDrawnAroundFaces));
+        imagePanel.revalidate();
+        this.pack();
+    }
+
+    public static void main(String... args) {
+        new FaceRecognitionExample();
+    }
+}