fg_01_02.m

英文书《Digital Signal Processing with Examples in MATLAB》附带的MATLAB实例

% fg_01_02.m      Chapter 1, fig. 1.2
x=[0 1 2 3 1;...
   2 3 0 1 2;...
   3 2 1 0 1;...
   0 1 2 3 1;...
   2 3 0 2 0];
colormap(gray(4));
brighten(.2);
%
figure(1);
set(gcf,'position',[80,40,450,450]);
set(gcf,'paperPositionmode','auto');
%
image(x+1);
set(gca,'Ytick',[1 2 3 4 5])
set(gca,'fontname','times','fontsize',20);
set(gca,'position',[.13 .15 .9-.13 .9-.15]);
title('Sampled image');
axis square