使用Java能否有效提升低清晰度视频的质量？

import org.bytedeco.javacv.FFmpegFrameGrabber;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.Frame;
import org.bytedeco.javacv.FrameGrabber;
import org.bytedeco.javacv.FrameRecorder;
import org.bytedeco.javacv.OpenCVFrameConverter;
import org.bytedeco.opencv.global.opencv_imgproc;
import org.bytedeco.opencv.opencv_core.Mat;

import java.io.File;

public class VideoEnhancer {

    public void enhanceVideo(String inputFilePath, String outputFilePath) {
        try (FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(inputFilePath)) {
            grabber.start();
            int width = grabber.getImageWidth();
            int height = grabber.getImageHeight();
            double frameRate = grabber.getFrameRate();

            FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(outputFilePath, width, height);
            recorder.setFrameRate(frameRate);
            recorder.start();

            Frame frame;
            while ((frame = grabber.grabFrame()) != null) {
                OpenCVFrameConverter.ToMat converter = new OpenCVFrameConverter.ToMat();
                Mat src = converter.convert(frame);
                Mat denoisedMat = new Mat();
                opencv_imgproc.medianBlur(src, denoisedMat, 11); // 降噪处理
                recorder.record(converter.convert(denoisedMat));
            }

            recorder.stop();
            recorder.release();
            grabber.stop();
            grabber.release();

            System.out.println("视频处理完成，输出文件路径：" + outputFilePath);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        VideoEnhancer enhancer = new VideoEnhancer();
        enhancer.enhanceVideo("input.mp4", "output.mp4"); // 替换为你的输入和输出文件路径
    }
}