zFqlTUD`t
close all;clear all;clc ? 2#MU
N=512;x=1:N; )E.!jL:g
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; <!s+ X_^
z=zeros(N); %|:Gn) 8
for i=1:N pp#xN /V#a
for j=1:N uwcm%N;I"
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) #Jo#[-r
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 3S ~Gi,
end #ONad0T;
end ST#MCh-00
end ? %9-5"U[
z=0.02*z; ,X05&'@Z
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 U$fh ~w<[
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ([r4N#lx
a=2*pi*x*f0; ]c.1&OB7o
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 1'[RrJ$Q
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); k e
sg ]K
noise=0; -r6cK,WVU
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 ")t
^!x(v
i02=0.5-0.5*sowx+noise.*rand(size(z)); GEdWpYKS-`
i03=0.5-0.5*cowx+noise.*rand(size(z)); PE~umY]
i04=0.5+0.5*sowx+noise.*rand(size(z)); H <|ilL'fX
figure,imshow(i01);%%%光栅条纹的图像 3$u 3ssOL
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 78}QaE
figure,imshow(i02);%%%光栅条纹的图像 qW1d;pt
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); wE.CZ% f
figure,imshow(i03);%%%光栅条纹的图像 Vy:I[@6@+
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); '
DZYN {}
figure,imshow(i04);%%%光栅条纹的图像 \{HbL,s
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); zq=X;}qYj
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); E,S[3 +
q2=atan2((i04-i02),(i01-i03)); OO Hw-MW
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 x +=zG4Hm
%%%-------------------------------------%% TzC'x WO
temp=ones(size(q2)); =q 1=.VTn
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开，成为展开的相位，应该为一斜面--------------- ] rP^
figure,mesh(q21); {{G`0i2KV
% q21=my_unwrap(q2); KxZO.>,
b=2*pi*f0*x+2*pi*z; 4&}V3"lg
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); Z r}5)ZR.
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); J4yL"iMt
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- vr,8i7* 0
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 TSGJ2u5ie%
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); E<j}" W$a
i2=0.5-0.5*sowx+noise.*rand(size(z)); B}PT -S1l
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 .l| [e
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); tl 0_ Sd
i3=0.5-0.5*cowx+noise.*rand(size(z)); S_E-H.d"
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 e;+6U"Jx*
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); L\cd =&b`
i4=0.5+0.5*sowx+noise.*rand(size(z)); [1-1^JY
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 _GoV\wGKl
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); 9Q ~9C9{+
%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))); gRnn}LL^
q1=atan2((i4-i2),(i1-i3)); fgiOYvIS2m
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 Tz\ PQ)!
DChqcdx~~
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------------------%% `&\jOve
% q11=my_unwrap(q1); n(i Uc1Y
figure,mesh(q11); FeW} tKH
%%%------------------------------------%% E [:eMJR
% qq=q11-q21; b=qq./(2*pi); tx,_0[hZi
% wu=qq./(2*pi)-z; -/x= `S *
b=(q11-q21)./(2*pi); |K|[>[?Z/
wu=(q11-q21)./(2*pi)-z; ;Av=/ hU
%err2=max(max(wu)) #ujry. m
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- z %)~s/2Rs
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---%% kPhdfF*Q
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 p<eu0B_V
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
