uV 7BK+[O
close all;clear all;clc >A@Y$.
N=512;x=1:N; %W @v2
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; vN3Zr34
z=zeros(N); ^ bEc6`eE
for i=1:N -V: "l
for j=1:N ]p_@@QTC
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r))
o x+ 3U
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 5 |jw^s7
end X JLQ {
end +la2n(CAK
end Qg6 W5Hc
z=0.02*z; 6oF 7:lt
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 O(+phRwJ
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% u|4$+ QiD
a=2*pi*x*f0; =0;^(/1Mc
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ?_I[,N?@41
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 765p/**
noise=0; 4.IU !.Uo
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 #> j.$2G>
i02=0.5-0.5*sowx+noise.*rand(size(z)); i\W/C
i03=0.5-0.5*cowx+noise.*rand(size(z)); -!c"k}N=
i04=0.5+0.5*sowx+noise.*rand(size(z)); qIld;v8w"g
figure,imshow(i01);%%%光栅条纹的图像 msVO H%wH
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); v%fu
figure,imshow(i02);%%%光栅条纹的图像 h,Q3oy\s1
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); A45A:hqs
figure,imshow(i03);%%%光栅条纹的图像 ei
rz Yt
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); wC5ee:u C%
figure,imshow(i04);%%%光栅条纹的图像 Y5F]:gs@
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); EY \H=@A
% 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))); cK 06]-Y
q2=atan2((i04-i02),(i01-i03)); N 5 $c] E
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 rL}Y LR
%%%-------------------------------------%% Off u9`DiZ
temp=ones(size(q2)); g55`A`5%C
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开，成为展开的相位，应该为一斜面--------------- qu|B4?Y/CR
figure,mesh(q21); [H=)
% q21=my_unwrap(q2); 9'r:~ O
b=2*pi*f0*x+2*pi*z; y~75r\"R
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); % rxO_
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); T8 ^5=/
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- [ :zO}r:
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 j\m_o% 4
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp');
6H'HxB4
i2=0.5-0.5*sowx+noise.*rand(size(z)); 48Mpf=f`
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 h(5P(` M
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); 3\Xbmq8}
i3=0.5-0.5*cowx+noise.*rand(size(z)); \|K;-pL
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 3"O>&Q0c
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); Aj0Tfdxy
i4=0.5+0.5*sowx+noise.*rand(size(z)); Q9Q|lO
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 f4BnX(1u
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); l EV]4
t_H
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); ,u/ aT5\_
q1=atan2((i4-i2),(i1-i3)); @WI2hHD
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 -N "&/)
2z|*xS'G
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图------------------%% 8HP6+c%
% q11=my_unwrap(q1); _%GGl$kH
figure,mesh(q11); n(el]_d
%%%------------------------------------%% Yh>]-SCw
% qq=q11-q21; b=qq./(2*pi); E <c9# I=
% wu=qq./(2*pi)-z; v;0|U:`]
b=(q11-q21)./(2*pi); PTEHP
wu=(q11-q21)./(2*pi)-z; kS!viJwtT
%err2=max(max(wu)) VH[hsj
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- v.]Q$q^
figure,mesh(q11);xlabel('x'),ylabel('y'),zlabel('z')%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图---%% 0$ -xw
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 W>O~-2
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
