实验二：百度图像增强与特效SDK实验

package org.example;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;
import javax.imageio.ImageIO;
import javax.swing.filechooser.FileNameExtensionFilter;

public class BaiduImageGUI extends JFrame {

    private JLabel originalLabel;
    private JLabel enhancedLabel;
    private JButton selectButton;
    private JButton enhanceButton;

    public BaiduImageGUI() {
        setTitle("BaiduImageGUI");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(800, 600);
        setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(10, 10, 10, 10);
        gbc.fill = GridBagConstraints.HORIZONTAL;

        // Original image panel
        JPanel originalPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        originalLabel = new JLabel("Select an original image", SwingConstants.CENTER);
        originalLabel.setBorder(BorderFactory.createLineBorder(Color.BLACK));
        originalPanel.add(originalLabel);
        gbc.gridx = 0;
        gbc.gridy = 0;
        add(originalPanel, gbc);

        // Enhanced image panel
        JPanel enhancedPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        enhancedLabel = new JLabel("Enhanced image will appear here", SwingConstants.CENTER);
        enhancedLabel.setBorder(BorderFactory.createLineBorder(Color.BLACK));
        enhancedPanel.add(enhancedLabel);
        gbc.gridx = 1;
        gbc.gridy = 0;
        add(enhancedPanel, gbc);

        // Button panel
        JPanel buttonPanel = new JPanel();
        selectButton = new JButton("选择图片");
        enhanceButton = new JButton("网络优化");
        buttonPanel.add(selectButton);
        buttonPanel.add(enhanceButton);
        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.gridwidth = 2; // Span both columns for the button panel
        add(buttonPanel, gbc);

        // Action listeners
        selectButton.addActionListener(this::selectImage);
        enhanceButton.addActionListener(this::enhanceImage);

        setVisible(true);
    }

    private void selectImage(ActionEvent event) {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileFilter(new FileNameExtensionFilter("Image files", ImageIO.getWriterFileSuffixes()));
        int result = fileChooser.showOpenDialog(this);
        if (result == JFileChooser.APPROVE_OPTION) {
            try {
                ImageIcon imageIcon = new ImageIcon(fileChooser.getSelectedFile().getAbsolutePath());
                originalLabel.setIcon(imageIcon);
            } catch (Exception e) {
                JOptionPane.showMessageDialog(this, "Error loading image", "Error", JOptionPane.ERROR_MESSAGE);
            }
        }
    }

    private void enhanceImage(ActionEvent event) {
        try {
            ImageIcon originalIcon = (ImageIcon) originalLabel.getIcon();
            Image originalImage = originalIcon.getImage();
            BufferedImage bufferedImage = new BufferedImage(originalImage.getWidth(null), originalImage.getHeight(null), BufferedImage.TYPE_INT_RGB);
            Graphics2D g2d = bufferedImage.createGraphics();
            g2d.drawImage(originalImage, 0, 0, null);
            g2d.dispose();

            // Apply an enhancement filter (sharpening in this case)
            bufferedImage = applySharpening(bufferedImage);

            // Apply gray filter
            bufferedImage = applyGrayFilter(bufferedImage);

            ImageIcon enhancedIcon = new ImageIcon(bufferedImage);
            enhancedLabel.setIcon(enhancedIcon);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "Error during image enhancement", "Error", JOptionPane.ERROR_MESSAGE);
        }
    }

    private BufferedImage applySharpening(BufferedImage image) {
        float[] sharpenArray = {
                0, -1, 0,
                -1, 5, -1,
                0, -1, 0
        };
        Kernel sharpenKernel = new Kernel(3, 3, sharpenArray);
        ConvolveOp convolveOp = new ConvolveOp(sharpenKernel);
        BufferedImage sharpenedImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
        convolveOp.filter(image, sharpenedImage);
        return sharpenedImage;
    }

    private BufferedImage applyGrayFilter(BufferedImage image) {
        BufferedImage grayImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
        Graphics g = grayImage.getGraphics();
        g.drawImage(image, 0, 0, null);
        g.dispose();
        return grayImage;
    }

    public static void main(String[] args) {

        SwingUtilities.invokeLater(BaiduImageGUI::new);
    }
}

 

package org.example;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.image.BufferedImage;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;
import javax.imageio.ImageIO;
import javax.swing.filechooser.FileNameExtensionFilter;

public class ImageEnhancementGUI extends JFrame {

    private JLabel originalLabel;
    private JLabel enhancedLabel;
    private JButton selectButton;
    private JButton enhanceButton;

    public ImageEnhancementGUI() {
        setTitle("Image Enhancement GUI");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(800, 600);
        setLayout(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(10, 10, 10, 10);
        gbc.fill = GridBagConstraints.HORIZONTAL;

        // Original image panel
        JPanel originalPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        originalLabel = new JLabel("Select an original image", SwingConstants.CENTER);
        originalLabel.setBorder(BorderFactory.createLineBorder(Color.BLACK));
        originalPanel.add(originalLabel);
        gbc.gridx = 0;
        gbc.gridy = 0;
        add(originalPanel, gbc);

        // Enhanced image panel
        JPanel enhancedPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
        enhancedLabel = new JLabel("Enhanced image will appear here", SwingConstants.CENTER);
        enhancedLabel.setBorder(BorderFactory.createLineBorder(Color.BLACK));
        enhancedPanel.add(enhancedLabel);
        gbc.gridx = 1;
        gbc.gridy = 0;
        add(enhancedPanel, gbc);

        // Button panel
        JPanel buttonPanel = new JPanel();
        selectButton = new JButton("选择图片");
        enhanceButton = new JButton("图像增强");
        buttonPanel.add(selectButton);
        buttonPanel.add(enhanceButton);
        gbc.gridx = 0;
        gbc.gridy = 1;
        gbc.gridwidth = 2; // Span both columns for the button panel
        add(buttonPanel, gbc);

        // Action listeners
        selectButton.addActionListener(this::selectImage);
        enhanceButton.addActionListener(this::enhanceImage);

        setVisible(true);
    }

    private void selectImage(ActionEvent event) {
        JFileChooser fileChooser = new JFileChooser();
        fileChooser.setFileFilter(new FileNameExtensionFilter("Image files", ImageIO.getWriterFileSuffixes()));
        int result = fileChooser.showOpenDialog(this);
        if (result == JFileChooser.APPROVE_OPTION) {
            try {
                ImageIcon imageIcon = new ImageIcon(fileChooser.getSelectedFile().getAbsolutePath());
                originalLabel.setIcon(imageIcon);
            } catch (Exception e) {
                JOptionPane.showMessageDialog(this, "Error loading image", "Error", JOptionPane.ERROR_MESSAGE);
            }
        }
    }

    private void enhanceImage(ActionEvent event) {
        try {
            ImageIcon originalIcon = (ImageIcon) originalLabel.getIcon();
            Image originalImage = originalIcon.getImage();
            BufferedImage bufferedImage = new BufferedImage(originalImage.getWidth(null), originalImage.getHeight(null), BufferedImage.TYPE_INT_RGB);
            Graphics2D g2d = bufferedImage.createGraphics();
            g2d.drawImage(originalImage, 0, 0, null);
            g2d.dispose();

            // Apply an enhancement filter (sharpening in this case)
            bufferedImage = applySharpening(bufferedImage);

            ImageIcon enhancedIcon = new ImageIcon(bufferedImage);
            enhancedLabel.setIcon(enhancedIcon);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(this, "Error during image enhancement", "Error", JOptionPane.ERROR_MESSAGE);
        }
    }

    private BufferedImage applySharpening(BufferedImage image) {
        // Define the sharpening kernel
        float[] sharpenArray = {
            0, -1, 0,
            -1, 5, -1,
            0, -1, 0
        };
        Kernel sharpenKernel = new Kernel(3, 3, sharpenArray);

        // Create the convolution operation
        ConvolveOp convolveOp = new ConvolveOp(sharpenKernel);
        BufferedImage sharpenedImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
        convolveOp.filter(image, sharpenedImage);

        return sharpenedImage;
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(ImageEnhancementGUI::new);
    }
}