8c' 0"G@S
close all;clear all;clc 5B<G;i f,
N=512;x=1:N; sE8.,\
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; rHtT>UE=
z=zeros(N); OQh 36BM
for i=1:N ZN ?P4#Z S
for j=1:N dkQA[/k
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) ,b@0Qa"
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 @zJ#16V i
end 7=ZB;(`L1
end NW9k. D%
end o /fq
z=0.02*z; s geP`O%
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 m(3bO[u1
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ::vw 1Es
a=2*pi*x*f0; GSW{h[Op
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 'ej{B0rE
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 2/B Flb
noise=0; ZX. VzZS
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 ':!; 6v|L
i02=0.5-0.5*sowx+noise.*rand(size(z)); J 6S
i03=0.5-0.5*cowx+noise.*rand(size(z)); ,9#G/nF
i04=0.5+0.5*sowx+noise.*rand(size(z)); cQv*lvG9>
figure,imshow(i01);%%%光栅条纹的图像 b@f. Kd7I
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); $XI5fa4Tt
figure,imshow(i02);%%%光栅条纹的图像 \Rp)n=|
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); &fj&UB A
figure,imshow(i03);%%%光栅条纹的图像 @ec QVk
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); m`9)DsR
N
figure,imshow(i04);%%%光栅条纹的图像 j <+iL]b
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ?XGZp?6
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); 2 +GF:[$
q2=atan2((i04-i02),(i01-i03)); ){>; eky
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 `>8|
%%%-------------------------------------%% ?k_=?m
temp=ones(size(q2)); -lMC{~h\(S
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--------------- 5H 1(C#|
figure,mesh(q21); ~9o S~fP?I
% q21=my_unwrap(q2); ~|J6 M
b=2*pi*f0*x+2*pi*z; cp?`\P
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); (p14{
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); %e%nsj6
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- o D*
'
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 ~N'KI P[W
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); 317Buk
i2=0.5-0.5*sowx+noise.*rand(size(z)); nfDPM\FFD
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 :M3l#`4Q
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); r 'jVF'w
i3=0.5-0.5*cowx+noise.*rand(size(z)); G)4 3Y!
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 g\(7z
P
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); '*3+ '>
i4=0.5+0.5*sowx+noise.*rand(size(z)); ']vX
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 5[gkGKkf_
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); q]Q gg
%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))); %q*U [vv
q1=atan2((i4-i2),(i1-i3)); g>im2AD+e
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 F'j:\F6C;
>; W)tc,
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------------------%% :z a!!^
% q11=my_unwrap(q1); W : ?- d{
figure,mesh(q11); uEi!P2zN
%%%------------------------------------%% C}1(@$
% qq=q11-q21; b=qq./(2*pi); N'`*#UI+
% wu=qq./(2*pi)-z; s*l_O* $'
b=(q11-q21)./(2*pi); &6\rKOsn
wu=(q11-q21)./(2*pi)-z; <01B\t 7
%err2=max(max(wu)) _~cmR <
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- 3mJHk<m8T
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---%% e2*^;& |%
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 ;JmD(T7{
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
