J[al4e^
close all;clear all;clc A7R [~
N=512;x=1:N; P~h0Ul
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; p9[gG\
z=zeros(N); n'83P%x
for i=1:N K'oy6$B
for j=1:N 7Cx-yv
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) zxC~a97`
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 +[7 DRT:
end
j>A=Wa7
end o[aIQ|G
end G2w0r,[
z=0.02*z; bKQ_{cR
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 B4{F)Zb
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ."j=s#OC(
a=2*pi*x*f0; gg@Ew4L&
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 9#1Jie$
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); OjsMT]
noise=0; Lklb
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 R=
.U bY
i02=0.5-0.5*sowx+noise.*rand(size(z)); O'S9y
i03=0.5-0.5*cowx+noise.*rand(size(z)); c/}-pZn<
i04=0.5+0.5*sowx+noise.*rand(size(z)); ZM_-g4[H
figure,imshow(i01);%%%光栅条纹的图像 ;R7+6
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); p4@0Dz`Q
figure,imshow(i02);%%%光栅条纹的图像 d RHw]!.
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); / !aVv
figure,imshow(i03);%%%光栅条纹的图像 zO((FQ
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); zcOG[-
figure,imshow(i04);%%%光栅条纹的图像 VLC=>w\,
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); wDKA1i%G
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); p~z\&&0U0
q2=atan2((i04-i02),(i01-i03)); Q&vU|y
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 BHR(B]EI
%%%-------------------------------------%% =xr2-K)e
temp=ones(size(q2)); P(B&*1X
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- pt%Y1<9Eh?
figure,mesh(q21); gW^0A)5
% q21=my_unwrap(q2); v*^'|QyM7
b=2*pi*f0*x+2*pi*z; y6&o+;I$[
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); TE-(Zil\
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); W.>}5uVl6
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- f<vZ4 IU
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 R:U!HE8j
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); 9^@#Ua
i2=0.5-0.5*sowx+noise.*rand(size(z)); vs{xr*Ft
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 4YA1~7R
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); {i)FDdDGD
i3=0.5-0.5*cowx+noise.*rand(size(z)); 9j<