=+\$e1Mb*
close all;clear all;clc GMw)*
N=512;x=1:N; bS%C?8
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; qlvwK&W<QM
z=zeros(N); e5 3,Rqi)@
for i=1:N e[8UH =`|
for j=1:N O"iak
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) -K^41W71
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 "koo` J
end a
ea0+,;
end x0ne8NDP
end hkF^? AJ
z=0.02*z;
/B[}I}X
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 6KO(j/Gwp
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% xl,ryc3J
a=2*pi*x*f0; `2e_ L
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); yquAr$L!
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); {=iyK/Uf
noise=0; #9,=Owup
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 D2] ZMDL.
i02=0.5-0.5*sowx+noise.*rand(size(z)); vpV$$=Qwp
i03=0.5-0.5*cowx+noise.*rand(size(z)); ?;RD u[eD
i04=0.5+0.5*sowx+noise.*rand(size(z)); C`EY5"N r
figure,imshow(i01);%%%光栅条纹的图像 N iISJWk6'
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); $Elkhe]O %
figure,imshow(i02);%%%光栅条纹的图像 gwq`_/d}
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); URQ@= W7
figure,imshow(i03);%%%光栅条纹的图像 3HKxYvc C
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); C=[Ae,
figure,imshow(i04);%%%光栅条纹的图像 {2 EMz|&8
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); t)'dF*L
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); ^/<|f,2
q2=atan2((i04-i02),(i01-i03)); sUV>@UMnu
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 LuL$v+`
%%%-------------------------------------%% Qose S/
temp=ones(size(q2)); *{nunb>WO
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--------------- }Aw47;5q;
figure,mesh(q21); N%*9&FjrL
% q21=my_unwrap(q2); I*( 1.%:m
b=2*pi*f0*x+2*pi*z; H `5Ct
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); Kr]W
o8dWy
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); &~ y{'zoL
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- B j= @&;
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 /tzlbI]z
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); uQ^hV%|"
i2=0.5-0.5*sowx+noise.*rand(size(z)); gi1j/j7
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 )ji@k(x27q
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); gs fhH0
i3=0.5-0.5*cowx+noise.*rand(size(z)); rei5 {PC
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 #<]Iz'\`
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); m_$JWv\|\
i4=0.5+0.5*sowx+noise.*rand(size(z)); dE GX3 -
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 +N8aq<l
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); ftaBilkjp
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); ydup)[n
q1=atan2((i4-i2),(i1-i3)); N3Z@cp
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 F^miq^K=
Z)5klg$c
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------------------%% 3a9u"8lG
% q11=my_unwrap(q1); %",ULtZ+
figure,mesh(q11); Z'e\_C
%%%------------------------------------%% F+3!uWUK
% qq=q11-q21; b=qq./(2*pi); *l {4lu
% wu=qq./(2*pi)-z; (V)9s\ Le_
b=(q11-q21)./(2*pi); pND48 g;
wu=(q11-q21)./(2*pi)-z; zWtj| %ts
%err2=max(max(wu)) /`}6rXnw9
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- >Zo-wYG
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---%% :Fnzi0b
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 PqI
