数学形态学操作 数学形态学的基本运算 结构元素矩阵 膨胀运算_元素_形态学_彭藏

bw = zeros(200,200); bw(50,50) = 1; bw(50,150) = 1;bw(150,100) = 1; % 初始化一个全0的200×200的数组 % 分别定义三个点值为1 D1 = bwdist(bw,'euclidean'); % 计算欧几里得距离 D2 = bwdist(bw,'cityblock'); % 计算cityblock距离 D3 = bwdist(bw,'chessboard'); % 计算棋盘距离 D4 = bwdist(bw,'quasi-euclidean'); % 计算类欧几里得距离 subplot(2,2,1), subimage(mat2gray(D1)), title('Euclidean') hold on, imcontour(D1) subplot(2,2,2), subimage(mat2gray(D2)), title('City block') hold on, imcontour(D2) subplot(2,2,3), subimage(mat2gray(D3)), title('Chessboard') hold on, imcontour(D3) subplot(2,2,4), subimage(mat2gray(D4)), title('Quasi-Euclidean') hold on, imcontour(D4)