EV'i/*v}\
close all;clear all;clc YYN'LF#j
N=512;x=1:N; ,M.phRJ-`
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; "5!T-Z+F
z=zeros(N); $a01">q&y
for i=1:N KB"N',kG
for j=1:N [ *~2Ts
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 2Ij,OIcdBE
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 2dyS_2u
end :#VdFMC<
end \8Hs[H!
end |iA8aHFU
z=0.02*z; &7
K=
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 ri`;
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% dC<2%y
a=2*pi*x*f0; L>Y3t1=
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 2oF1do;
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); j "s7P%
noise=0; [v+5|twxpU
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 N/!(`Z,
i02=0.5-0.5*sowx+noise.*rand(size(z)); s&4&\Aq}x#
i03=0.5-0.5*cowx+noise.*rand(size(z)); A+MG?k>yg
i04=0.5+0.5*sowx+noise.*rand(size(z)); |ms.
figure,imshow(i01);%%%光栅条纹的图像 iYf)FPET
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); @__m>8wn
figure,imshow(i02);%%%光栅条纹的图像 kz/"5gX:
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 9sN#l
figure,imshow(i03);%%%光栅条纹的图像 ``-pjD(t
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); Sy/Z}H
figure,imshow(i04);%%%光栅条纹的图像 ?Dl; DE1
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ' Tk4P{
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); %g~&$oZmq
q2=atan2((i04-i02),(i01-i03)); Ne)3@?
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 Uc,J+j0F
%%%-------------------------------------%% >V>`}TIH
temp=ones(size(q2)); D<`M<:nq
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--------------- ~>H,~</`
figure,mesh(q21); /9A6"Z
% q21=my_unwrap(q2); [4hi/60
b=2*pi*f0*x+2*pi*z; 1bFGoLAEFl
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); 4T TrHs
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); D4N(FZ0~
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- gBO,
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 sPMICIv|
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); o`Af6C;Q
i2=0.5-0.5*sowx+noise.*rand(size(z)); qg/FI#r
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 ify48]
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); 44s 9\
i3=0.5-0.5*cowx+noise.*rand(size(z)); '1rGsfp6In
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 9q+W>wt
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); k 1a?yH)=
i4=0.5+0.5*sowx+noise.*rand(size(z)); h;#046-7
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 )Ii`/I^
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); \*&?o51!e
%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))); ZXN`8!]&
q1=atan2((i4-i2),(i1-i3)); D@O5G d
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 ^We}i
kl[(!"p
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------------------%% 3:G$Y:#P
% q11=my_unwrap(q1); %#o@ c
figure,mesh(q11); VC0Tqk
%%%------------------------------------%% ?lfyC/
% qq=q11-q21; b=qq./(2*pi); I o"3wL)2
% wu=qq./(2*pi)-z; kBLFK3i
b=(q11-q21)./(2*pi); lU%oU&P/"S
wu=(q11-q21)./(2*pi)-z; +'Y?K]zbt
%err2=max(max(wu)) P*B@it
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- }]#z0'Aqsu
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---%% Cn{v\Q~.4
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 ?PS?_+E\L
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差