IB]l1< close all;clear all;clc
o:Sa,
!DK N=512;x=1:N;
JrRH\+4K y=1:N;[x,y]=meshgrid(x,y);R=240;r=90;
wEvVL z=zeros(N);
0^K"> for i=1:N
a HR"n|7{ for j=1:N
:E )>\& if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r))
E#N|wq z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一個乘號前面的數(shù)字
l]l'4@1 end
QE`bSI end
{[?(9u7R end
n]o<S+z z=0.02*z;
X?qK0fS figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物體的顯示,三維
i6Emhji f0=0.01;%%%----------------光柵條紋的頻率即周期的倒數(shù)1/T--------------------------%%
)
ahA[ a=2*pi*x*f0;
PBTnIU cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1));
ou{2@" sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi));
E92KP?i noise=0;
K^<BW(s i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦條紋圖,以下分別為相移后的條紋圖,4步相移,共4幀
N~zdWnSZ@G i02=0.5-0.5*sowx+noise.*rand(size(z));
U>}w2bZ* i03=0.5-0.5*cowx+noise.*rand(size(z));
?QdWrE_
i04=0.5+0.5*sowx+noise.*rand(size(z));
_5Ct]vy figure,imshow(i01);%%%光柵條紋的
圖像 .;`AAH'k % axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp');
a'yK~;+_9 figure,imshow(i02);%%%光柵條紋的圖像
Wf>R&o6tr % axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp');
:emiQ