利用MATLAB数端子数量

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clear allclose allclc% 载入图片RGB = imread('C:\Users\mao\Desktop\1.jpg');I = rgb2gray(RGB);se = strel('disk',50);I2 = imbothat(I,se);  % 底帽变换，去除不均匀背景figure,imshow(I2)I3 = imadjust(I2);   % 这一步可有可无，调节灰度对比度% 灰度图像二值化，全局阈值分割最大化类间方差level = graythresh(I3);BW = im2bw(I3,level);figure,imshow(BW)% 孔洞填充和形态学开运算BW1 = imfill(BW,'holes');figure,imshow(BW1)se1 = strel('square',10);BW2 = imopen(BW1,se1);figure,imshow(BW2)% 形态学腐蚀运算，部分目标物有粘连现象，去除粘连se2 = strel('disk',15);BW3 = imerode(BW2,se2);figure,imshow(BW3)% 形态学开运算，去除影响计数的干扰颗粒se3 = strel('disk',5);BW4 = imopen(BW3,se3);figure,imshow(BW4)[L,N] = bwlabel(BW4);  % N即为目标个数% 标记目标物figure,imshow(RGB)hold onfor k = 1:N    [r,c] = find(L == k);    rbar = mean(r);    cbar = mean(c);    plot(cbar,rbar,'marker','*','markeredgecolor','b','markersize',10);end% 对话框显示目标物个数h = dialog('Name','目标个数','position',[500 500 200 70]);  % 创建一个对话框窗口uicontrol('Style','text','units','pixels','position',[45 40 120 20],...    'fontsize',15,'parent',h,'string',num2str(N));     % 创建文本内容uicontrol('units','pixels','position',[80 10 50 20],'fontsize',10,...    'parent',h,'string','确定','callback','delete(gcf)'); % 创建【确定】按钮
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