ql#K72s
close all;clear all;clc !hq7R]TC+
N=512;x=1:N; ;cO0Y.V9l
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; aQ)9<LsI
z=zeros(N); #_E8>;)k
for i=1:N 8[DD=[&
for j=1:N %S^`/Snv"
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) yaf2+zV*
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 F4} Zl
end 9$ _}E`
end p;@PfhEz)
end $ d "6y
z=0.02*z; `<K#bDU;a
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 5}m2D='
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% 9J?j2!D
a=2*pi*x*f0; #zXDh3%]a
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); xH=&={
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); '.iUv#j4Sh
noise=0; gs!{'=4wT
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+m{nO~r
i02=0.5-0.5*sowx+noise.*rand(size(z)); }$7Hf+G
i03=0.5-0.5*cowx+noise.*rand(size(z)); ]8mBFr5E9
i04=0.5+0.5*sowx+noise.*rand(size(z)); &L/ C:<.
figure,imshow(i01);%%%光栅条纹的图像 %pMW5]H
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 6wF ?FtT
figure,imshow(i02);%%%光栅条纹的图像 H(pOR< `
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); +@!9&5S A
figure,imshow(i03);%%%光栅条纹的图像 SQeQ"k|P%
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); H P7Ec
figure,imshow(i04);%%%光栅条纹的图像 =Xp 3UNXg
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); #&@&Bl Ie
% 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))); qYpHH!!C=
q2=atan2((i04-i02),(i01-i03)); iw#luHcJ
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 V{"5)Ly?fu
%%%-------------------------------------%% aqMZ%~7
temp=ones(size(q2)); 6@T_1
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--------------- Y)uNzb6R
figure,mesh(q21); z` sH
% q21=my_unwrap(q2); 46 77uy
b=2*pi*f0*x+2*pi*z; [X -Q {c4
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); ]Rw,5\0
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); kh`X92~
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像-----------------------
ic3qb<2
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 _r ajm J
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); L JBoS]~
i2=0.5-0.5*sowx+noise.*rand(size(z)); M0 ^r!f>O
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 M~@\x]p >
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); 9)=as/o
i3=0.5-0.5*cowx+noise.*rand(size(z)); Jus )cO#I
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 xOkf 9k_
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); xUG|@xIwc
i4=0.5+0.5*sowx+noise.*rand(size(z)); :!3P4?a
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 vbSz&+52;
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); 6!bf,T]
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); Vbwbc5m}
q1=atan2((i4-i2),(i1-i3)); HHX9QebiST
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 5B(|!Xq;I
"e_ED*
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图------------------%% ftK.jj1:
% q11=my_unwrap(q1); mX<D]Z< k
figure,mesh(q11); :?60pu=
%%%------------------------------------%% >s1HQSe66
% qq=q11-q21; b=qq./(2*pi); wngxVhu8Ld
% wu=qq./(2*pi)-z; \+5 L. Q
b=(q11-q21)./(2*pi); z\;kjI
wu=(q11-q21)./(2*pi)-z; )Dv"seH.
%err2=max(max(wu)) `E}2|9
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- Sm-nb*ZyC
figure,mesh(q11);xlabel('x'),ylabel('y'),zlabel('z')%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图---%% | o+ vpy
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 A ?_2@6Y^
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
