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  • opencv:形态学操作-开闭操作


    #include <opencv2/opencv.hpp>
    #include <iostream>
    
    using namespace cv;
    using namespace std;
    
    
    int main(int argc, char** argv)
    {
        Mat src = imread("f:/images/qq/kaibi.png");
    
        Mat gray, binary;
        cvtColor(src, gray, COLOR_BGR2GRAY);
        threshold(gray, binary, 0, 255, THRESH_BINARY | THRESH_OTSU);
        imshow("src", src);
        imshow("binary", binary);
        Mat dst;
        Mat kernel = getStructuringElement(MORPH_RECT, Size(4, 4), Point(-1, -1));
    
        // 这样可以提取水平的线
        //Mat kernel = getStructuringElement(MORPH_RECT, Size(15, 1), Point(-1, -1));
        
        morphologyEx(src, dst, MORPH_OPEN, kernel, Point(-1, -1), 1);
        //morphologyEx(src, dst, MORPH_CLOSE, kernel, Point(-1, -1), 1);
        imshow("morphologyEx", dst);
    
        waitKey(0);
        destroyAllWindows();
    
        return 0;
    }
    
    
    
    
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  • 原文地址:https://www.cnblogs.com/wbyixx/p/12324338.html
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