gusucode.com > 利用遗传算法进行图像分割matlab源码程序 > segment_ga/hist2.m

    %%初始部分，读取图像及计算相关信息

clear;
close all;
clc;

%format long;

I=imread('Lenna.bmp');


%windowsize=3;
I_temp=I;
for i=2:255
    for j=2:255
        I_temp(i,j)=round(mean2(I(i-1:i+1,j-1:j+1)));
    end
end
I_average=I_temp;


I_p=I;
I_average_p=I_average;
hist_2d(1:256,1:256)=zeros(256,256);
for i=1:256
    for j=1:256
        hist_2d(I_p(i,j),I_average_p(i,j))=hist_2d(I_p(i,j),I_average_p(i,j))+1;
    end
end

total=256*256;

hist_2d_1=hist_2d/total;


%%%%%%