c++之morphologyEx（形态学操作）

void morphologyEx( InputArray src, OutputArray dst,
                                int op, InputArray kernel,
                                Point anchor = Point(-1,-1), int iterations = 1,
                                int borderType = BORDER_CONSTANT,
                                const Scalar& borderValue = morphologyDefaultBorderValue() )

void morphologyEx(Mat src, Mat dst, int op, Mat kernel, Point anchor, int iterations, int borderType, Scalar borderValue)

enum MorphTypes{
    MORPH_ERODE    = 0, //腐蚀
    MORPH_DILATE   = 1, //膨胀
    MORPH_OPEN     = 2, //开操作
    MORPH_CLOSE    = 3, //闭操作
    MORPH_GRADIENT = 4, //梯度操作
    MORPH_TOPHAT   = 5, //顶帽操作
    MORPH_BLACKHAT = 6, //黑帽操作
    MORPH_HITMISS  = 7  
};

#include
using namespace cv;
int main() {
    Mat src = imread("C:/Users/Administrator/Desktop/wan.png");//引入源图像
    if (src.empty()) {
        return -1;
    }
    imshow("src", src);//展示源图像
    Mat dst;
    Mat kernel = getStructuringElement(MORPH_RECT,Size(3,3));//创建结构元素大小为3*3
    morphologyEx(src, dst,MORPH_OPEN, kernel);//开操作
    imshow("dst", dst);//展示目标图像
    waitKey(0);
    return 0;
}

Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_beauty);//获取源图像Bitmap对象
Mat src = new Mat();
Mat dst = new Mat();
Utils.bitmapToMat(bitmap,src);//Bitmap转换为Mat对象
Mat kernel = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(3, 3));//获取结构元素
Imgproc.morphologyEx(src,dst,Imgproc.MORPH_OPEN,kernel);//开操作
Utils.matToBitmap(dst,bitmap);//Mat转换为Bitmap对象
imageView.setImageBitmap(bitmap);