📄 ch9_4_1.m
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%距离变换
center1 = -10;
center2 = -center1;
dist = sqrt(2*(2*center1)^2);
radius = dist/2 * 1.4;
lims = [floor(center1-1.2*radius) ceil(center2+1.2*radius)];
[x,y] = meshgrid(lims(1):lims(2));
bw1 = sqrt((x-center1).^2 + (y-center1).^2) <= radius;
bw2 = sqrt((x-center2).^2 + (y-center2).^2) <= radius;
bw = bw1 | bw2;
figure, imshow(bw)
D = bwdist(bw);%生成距离变换图像
figure, imshow(D,[])
D1 = bwdist(~bw); %生成灰度取反的距离变换图像
figure, imshow(D1,[])
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