Px{Cvc
close all;clear all;clc 4[m})X2(
N=512;x=1:N; ` Fnl<C<
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; )9I>y2WU~
z=zeros(N); }{T9`^V:h
for i=1:N O=~8+sa
for j=1:N Ir&r TGFN
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) W; yNg
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 d` %8qLIW
end +Z> Y//
end I,TJV)B
end fFDI qX
z=0.02*z; TR P#b 7nC
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 ~A@T_ *0
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% Y Xz*B5R
a=2*pi*x*f0; %J(y2 }
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 8=QOp[w
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); Ne<={u%
noise=0; 1P4cB w%
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 Z/ -9 G
i02=0.5-0.5*sowx+noise.*rand(size(z)); a%| I'r
i03=0.5-0.5*cowx+noise.*rand(size(z)); g_X-.3=2K
i04=0.5+0.5*sowx+noise.*rand(size(z)); :btb|^C
figure,imshow(i01);%%%光栅条纹的图像 j/.$ (E
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 8 Na.H::cZ
figure,imshow(i02);%%%光栅条纹的图像 sZe$?k |
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 8(-V pU
figure,imshow(i03);%%%光栅条纹的图像 DJ_[{WAV
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); Yc~( W ue
figure,imshow(i04);%%%光栅条纹的图像 %Ms "LoK
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); 5Ku=Xzvq
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); O2i7w1t
q2=atan2((i04-i02),(i01-i03)); LLy w9y1
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 U*sjv6*T
%%%-------------------------------------%% _y> mmE
temp=ones(size(q2)); ] V|hDU=t
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开，成为展开的相位，应该为一斜面--------------- [|iWLPO1&k
figure,mesh(q21); y8*MNw
% q21=my_unwrap(q2); J)7\k$ D
b=2*pi*f0*x+2*pi*z; D5Zgi!
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); k;5$]^x
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); #(@!:f1
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- -M]B;[^
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 J?6.yL;
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); Xir ERc.e
i2=0.5-0.5*sowx+noise.*rand(size(z)); 9S 'u 1%
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 /q| r!+
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); 1V f?Rw
i3=0.5-0.5*cowx+noise.*rand(size(z)); /80H.|8O
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 m(>M P/
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); $4>(}
i4=0.5+0.5*sowx+noise.*rand(size(z)); 1O#]qZS}]
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 j1zrjhXI
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); _V2^0CZ
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); ^b M \:z"M
q1=atan2((i4-i2),(i1-i3)); 6=cfr; BH2
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 LT Z8Eu
F
u>
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图------------------%% (Q5rOrA"
% q11=my_unwrap(q1); 5!QT
}Um
figure,mesh(q11); 6a*?m{
%%%------------------------------------%% J#.f%VJ
% qq=q11-q21; b=qq./(2*pi); }b5omHUE%
% wu=qq./(2*pi)-z; ^fiJ xU
b=(q11-q21)./(2*pi); # &,W x
wu=(q11-q21)./(2*pi)-z; A<h^.{
%err2=max(max(wu)) s5bqS'%
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- l4s*+H$vd?
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---%% 1d$qr`
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 @V?T'@W7D
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
