ZEMo`O
close all;clear all;clc !3&}r
N=512;x=1:N; lGz0K5P{
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; YS~x-5OE\
z=zeros(N); | UaI i^
for i=1:N N1$P6 ZF
for j=1:N FP Mk&
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 0VZj;Jg}q
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 (Zn\S*_@/
end lu}[XN
end zJy{Ry[Sb
end GhT7:_r~
z=0.02*z; \X`P
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figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 6]3 ZUH;
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% yUG5'<lX
a=2*pi*x*f0; t5qAH++axN
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); e{O5y8,
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); |q>Mw-=
noise=0; X>4`{x `
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图，以下分别为相移后的条纹图，4步相移，共4帧 b(VU{cf2d
i02=0.5-0.5*sowx+noise.*rand(size(z)); GwycSb1
i03=0.5-0.5*cowx+noise.*rand(size(z));
u0e#iX
i04=0.5+0.5*sowx+noise.*rand(size(z)); I6fpXPP).
figure,imshow(i01);%%%光栅条纹的图像 {MtB!x
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); aVb]H0
figure,imshow(i02);%%%光栅条纹的图像 4tU~ ^z
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); [ b W=>M
figure,imshow(i03);%%%光栅条纹的图像 KWUz]>Z
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); q ha1b$
figure,imshow(i04);%%%光栅条纹的图像 {Vm36/a
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); >KPJ74R
% 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)));
i=D,T[|>a
q2=atan2((i04-i02),(i01-i03)); Z^l!y5s/H
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 5HN<*u % z
%%%-------------------------------------%% lN'/Z&62
temp=ones(size(q2)); jJvNN -^
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--------------- |gz ,Ip{
figure,mesh(q21); X
A|`wAGP
% q21=my_unwrap(q2); yDC97#%3u
b=2*pi*f0*x+2*pi*z; 1sjn_fPz
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); #V 6
-*
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); #77UKYj2L-
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- < &2,G5XA
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 ;`B35K
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); "Z k6B"o)
i2=0.5-0.5*sowx+noise.*rand(size(z)); c5R{Sl
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 q9!9OcN2
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); Anv8)J!9u
i3=0.5-0.5*cowx+noise.*rand(size(z)); bEKLameKv
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 D3{lyi|8
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); clw91yrQn
i4=0.5+0.5*sowx+noise.*rand(size(z)); f zO8by
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 0 l@P]_qq`
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); -/%jeDKp
%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))); ([*t.
q1=atan2((i4-i2),(i1-i3)); [u80-x<
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 ^mpB\D)q
NO^t/(Z
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------------------%% u2]g1XjeG
% q11=my_unwrap(q1); oNZ W# <K
figure,mesh(q11); %
eRwH
>
%%%------------------------------------%% '.yWL
% qq=q11-q21; b=qq./(2*pi); ] gksyxn3
% wu=qq./(2*pi)-z; Ba0D"2CgY
b=(q11-q21)./(2*pi); kVnyX @
wu=(q11-q21)./(2*pi)-z; |vz;bJG
%err2=max(max(wu)) sjgR \`AU
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- _ kN% 6~+U
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@5%Rz2/
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 i(;-n_:, `
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
