Java上的图像处理延迟

import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;

public class ImageResizeExample {
    public static void main(String[] args) {
        try {
            // 读取原始图像
            BufferedImage originalImage = ImageIO.read(new File("input.jpg"));

            // 设置目标宽度和高度
            int targetWidth = 300;
            int targetHeight = 200;

            // 创建目标图像
            BufferedImage resizedImage = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB);

            // 使用Graphics2D进行图像缩放
            Graphics2D g2d = resizedImage.createGraphics();
            g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            g2d.drawImage(originalImage, 0, 0, targetWidth, targetHeight, null);
            g2d.dispose();

            // 输出处理后的图像
            ImageIO.write(resizedImage, "jpg", new File("output.jpg"));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}