L> \/%x>Wx
close all;clear all;clc -s_=4U,
N=512;x=1:N; F2^qf
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; e~1$x`DH
z=zeros(N); Hw\hTTK
for i=1:N Z~{0x#?4%
for j=1:N Ly_.%f
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) Q2LAXTF]y
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 m=#<
end D,,$
end DQy;W ov
end u-k!h
z=0.02*z; e_h`x+\:
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 /ReOf<%B
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% lxh}N,
a=2*pi*x*f0; .t9*wz
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); /4Sul*{hc
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); rx\f:-3g
noise=0; 1\LK[tvh
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 XTKAy;'5
i02=0.5-0.5*sowx+noise.*rand(size(z)); SrT=XX,
i03=0.5-0.5*cowx+noise.*rand(size(z)); *USzzLq
i04=0.5+0.5*sowx+noise.*rand(size(z)); N
6t `45
figure,imshow(i01);%%%光栅条纹的图像 +9NI=s6
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); eFz!`a^dX
figure,imshow(i02);%%%光栅条纹的图像 j\%m6\{n|
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); KrqO7
figure,imshow(i03);%%%光栅条纹的图像 |QO)xEn~
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); feA(Rj
figure,imshow(i04);%%%光栅条纹的图像 <=gf|(
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); _n12Wx{
% 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)));
3F\UEpQ
q2=atan2((i04-i02),(i01-i03)); _>/OqYR_jQ
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 <xaB$}R
%%%-------------------------------------%% wrEYbb
temp=ones(size(q2)); |>Wi5h{6X
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- lFc4| _c g
figure,mesh(q21); IfF&QBi
% q21=my_unwrap(q2); VK/i5yT5N
b=2*pi*f0*x+2*pi*z; -z?O^:e#x
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); U\`yLsKvH`
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); F9 4Qb}
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- c
6$n:
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 tRzo}_+N
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); <^YZ#3~1T
i2=0.5-0.5*sowx+noise.*rand(size(z)); }<
m@82\
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 _^Lg}@t
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); G{{Or
i3=0.5-0.5*cowx+noise.*rand(size(z)); J>S`}p
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 ba"a!#wA
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); c[E>2P2-_
i4=0.5+0.5*sowx+noise.*rand(size(z)); *
~4m!U_s
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ^
^R4%C
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); +{/*P5
%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))); ko<VB#pOMr
q1=atan2((i4-i2),(i1-i3)); d$*SVd:
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 zP;1mN
WgC*bp{
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% n+;PfQ|
% q11=my_unwrap(q1); G8ksm2 }
figure,mesh(q11); }dSxrT
%%%------------------------------------%% sow/JLlbC
% qq=q11-q21; b=qq./(2*pi); i4*!t.eI
% wu=qq./(2*pi)-z; >6cENe_@t
b=(q11-q21)./(2*pi); zV=(e( [
wu=(q11-q21)./(2*pi)-z; !>L+q@l)
%err2=max(max(wu)) ^jMo?Zwy
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- KqT~MPl
figure,mesh(q11);xlabel('x'),ylabel('y'),zlabel('z')%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图---%% #$(wfb9
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 #p^r)+\3=
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差