图像分割—基于图像数据的自动选择阈值(基本全局阈值处理方法)

clear;clc; g = imread('face_2.jpg'); f = rgb2gray(g); cout=0; T = mean2(f); done = false; % 阈值迭代算法 while ~done     cout = cout+1;     g = f>T;     Ttext = 0.5*(mean(f(g))+mean(f(~g)));% 产生新的阈值     don

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