www.gusucode.com > IPCV_Eval_Kit_R2019a_0ce6858工具箱matlab程序源码 > IPCV_Eval_Kit_R2019a_0ce6858/code/demo_files/I2_09_4_8_3D_blob_analysis.m
%% 儃儕儏乕儉僨乕僞偺寁検 %% 敿宎5偲10偺媴懱傪嶌惉 [x,y,z] = meshgrid(1:50,1:50,1:50); bw1 = sqrt((x-10).^2 + (y-15).^2 + (z-35).^2) < 5; bw2 = sqrt((x-20).^2 + (y-30).^2 + (z-15).^2) < 10; bw = bw1 | bw2; figure isosurface(bw) alpha 0.3; axis equal; %% 廳怱偲敿宎傪寁嶼 s = regionprops3(bw,"Centroid","PrincipalAxisLength"); centers = s.Centroid diameters = mean(s.PrincipalAxisLength,2) radii = diameters/2 [x,y,z] = sphere; hold on for k = 1:size(s,1) surf(x*radii(k)+centers(k,1),y*radii(k)+centers(k,2),z*radii(k)+centers(k,3)); end %% % Copyright 2018 The MathWorks, Inc.