本文主要是介绍Robert边缘检测算子的程序。换做其他算子，只要该其中的一个矩阵就行了，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
clc
close all
clear all
%%%生成高斯平滑滤波模板%%%
%%%%%%%%%%%%%%%%%%%%%%%%%
hg=zeros(3,3); %设定高斯平滑滤波模板的大小为3*3
delta=0.5;
for x=1:1:3
for y=1:1:3
u=x-2;
v=y-2;
hg(x,y)=exp(-(u^2+v^2)/(2*pi*delta^2));
end
end
h=hg/sum(hg(:));
%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%读入图像%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%
f = imread('1111.tif'); % 读入图像文件
f=rgb2gray(im2double(f));
imshow(f)
title('原始图像');
[m,n]=size(f);
ftemp=zeros(m,n);
rowhigh=m-1;
colhigh=n-1;
%%%高斯滤波%%%
for x=2:1:rowhigh-1
for y=2:1:colhigh-1
mod=[f(x-1,y-1) f(x-1,y) f(x-1,y+1); f(x,y-1) f(x,y) f(x,y+1);f(x+1,y-1) f(x+1,y) f(x+1,y+1)];
A=h.*mod;
ftemp(x,y)=sum(A(:));
end
end
f=ftemp
figure,imshow(f)
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