hough_parameter_space.m

这个是MATLAB实现Hough变换的程序。有基本的Hough变换的理解程序

clear all;close all;
k=1;b=-1;
x=0:3;
y=k*x+b;
figure(1)
plot(x,y);
hold on
plot(x,y,'b*');
axis([0 3 0 2]);
title('直角坐标系')
xlabel('X坐标');
ylabel('Y坐标');
text(1,0,'点A(1,0)');
text(2,1,'点B(2,1)');
text(3,2,'点C(3,2)');
text(1.5,0.5,'\leftarrow y=kx+b ');
k0=-1:3;
b1=-k0;
b2=-2*k0+1;
b3=-3*k0+2;
figure(2)
plot(k0,b1);
title('参数空间：b=-kx+y');
text(1,-1,'参数点（k,b）');
xlabel('斜率k');
ylabel('截距b');
hold on
plot(k0,b2);
hold on
plot(k0,b3);