k&_u\D"^"%
close all;clear all;clc X.AWs=:-
N=512;x=1:N; JS7}K)A2B6
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; e9hVX[uq
z=zeros(N); (:bCOEZ
for i=1:N ah"MzU)
for j=1:N ]G
o~]7(5|
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) tTh;.88Z{
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
;/^]|
end k#:@fH4{PA
end b}*@=X=4o
end Y=Ar3O*F
z=0.02*z; yZ~eLWz
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 5nM9!A\D
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% CbH T #
a=2*pi*x*f0; %=mwOoMk0L
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ic{.#R.BY
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); Gg pQ]rw
noise=0; )bCG]OM7<
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 JU=\]E@8c
i02=0.5-0.5*sowx+noise.*rand(size(z)); zTBi{KrZ
i03=0.5-0.5*cowx+noise.*rand(size(z)); {Fp`l\,
i04=0.5+0.5*sowx+noise.*rand(size(z)); Vh.;p.!e
figure,imshow(i01);%%%光栅条纹的图像 A]O5+"mc
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); #nf%ojh
figure,imshow(i02);%%%光栅条纹的图像 fF9oYOh|
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); e<O;pM:
figure,imshow(i03);%%%光栅条纹的图像 oB{}-[G
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); X?v^>mA
figure,imshow(i04);%%%光栅条纹的图像 hKzBq*cV
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ZG\ I1
% 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))); !Nxn[^[?.
q2=atan2((i04-i02),(i01-i03)); E_![`9i
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 C`th^dqBV
%%%-------------------------------------%% Rqb{)L
X*
temp=ones(size(q2)); b6WC@j`*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--------------- 2c>H(t h=
figure,mesh(q21); Q1ABnacR
% q21=my_unwrap(q2); F<ocY0=9p
b=2*pi*f0*x+2*pi*z; sAjKf\][
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); @(,{_c]
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); ox\B3U%`p}
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- 8NAWA3^B
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 6PQJgki
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); mcz(,u}
i2=0.5-0.5*sowx+noise.*rand(size(z)); =6Kv`
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 4<3?al&
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); {7Gx9(
i3=0.5-0.5*cowx+noise.*rand(size(z)); x,w`OMQ}c
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 eA*Jfb
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); X4P}aC
i4=0.5+0.5*sowx+noise.*rand(size(z)); Q&.IlVB[
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 _L:i=.hxN
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); s7UhC.>'@
%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))); r_V2 J{B
q1=atan2((i4-i2),(i1-i3)); Fyh?4!/.
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 `r'0"V
_8NEwwhc
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------------------%% ,2
g M-
% q11=my_unwrap(q1); Kixr6\
figure,mesh(q11);
,3J`ftCV
%%%------------------------------------%% }4\!7]FVYX
% qq=q11-q21; b=qq./(2*pi); P"V{y|2
% wu=qq./(2*pi)-z; G1?0Q_RN
b=(q11-q21)./(2*pi); z3vsz
wu=(q11-q21)./(2*pi)-z; /mMAwx
%err2=max(max(wu)) [ n0##/
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- tkdBlG]!
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---%% 1o;g1Z/
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体
/.| A
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差