TypeError: cv.Mat不是构造函数(React& OpenCV.js)

import React, { useEffect, useRef } from 'react';
import cv from 'opencv.js';

const MyComponent = () => {
  const canvasRef = useRef(null);

  useEffect(() => {
    const canvas = canvasRef.current;
    const ctx = canvas.getContext('2d');

    const image = new Image();
    image.src = 'path/to/image.jpg';
    image.onload = () => {
      canvas.width = image.width;
      canvas.height = image.height;
      ctx.drawImage(image, 0, 0);

      const src = cv.imread(canvas);
      // 在这里可以使用src进行图像处理操作

      cv.imshow(canvas, src);
      src.delete();
    };
  }, []);

  return <canvas ref={canvasRef} />;
};

export default MyComponent;