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我正在使用 Java 包装类通过 opencv extra modules(Ximgproc) 来执行此功能。这是下面的代码,

    Mat resizeMat = /* frames from android camera */ ;              
    StructuredEdgeDetection pDollar = createStructuredEdgeDetection("path_of_model.yml.gz");
    Mat src = new Mat();
    resizeMat.convertTo(src, CV_32F, 1.0 / 255.0);
    Mat edges = new Mat(src.size(), src.type());
    pDollar.detectEdges(src, edges);
    Mat output = new Mat();
    edges.convertTo(output, CV_8UC1, 255.0);
   Imgproc.findContours(output, contours, new Mat(), Imgproc.RETR_TREE, Imgproc.CHAIN_APPROX_SIMPLE);

处理stack-overflow中每个帧(900 - 1000 ms)引用的链接的速度太慢了,

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