w<54mGMOLr
close all;clear all;clc t(sQw '>
N=512;x=1:N; -$0w-M8'
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; _ (&XqEX
z=zeros(N); Oq W (C
for i=1:N
0)Wrfa
for j=1:N }o { 6
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) qE W3k),
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 )8244;
end G|,'6|$jE
end 8`? vWJS
end _1sjsGp>
z=0.02*z; ~UhTy~jya
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 2uajK ..b
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%%
1TIP23:
a=2*pi*x*f0; s+jL BY
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); bFt$u]Yvo
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 54geU?p0
noise=0; MRn;D|Q
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图，以下分别为相移后的条纹图，4步相移，共4帧 ~Y3"vdd
i02=0.5-0.5*sowx+noise.*rand(size(z)); ? 016
i03=0.5-0.5*cowx+noise.*rand(size(z)); 0**.:K <i
i04=0.5+0.5*sowx+noise.*rand(size(z)); nTd[-3o
figure,imshow(i01);%%%光栅条纹的图像 {WYHT6Z
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); n\x@~ SzrX
figure,imshow(i02);%%%光栅条纹的图像 cf7UV6D g
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); CPj8` kl
figure,imshow(i03);%%%光栅条纹的图像 W.O]f. h
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ^]A,Q%1q^
figure,imshow(i04);%%%光栅条纹的图像 (='e9H!3D
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); m0(]%Kdw
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); q4wS<, 3
q2=atan2((i04-i02),(i01-i03)); 6_#:LFke
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 pMy];9SvW
%%%-------------------------------------%% QT\=>,Fz _
temp=ones(size(q2)); X u+^41
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开，成为展开的相位，应该为一斜面--------------- o7A+ O%dX
figure,mesh(q21); 7B"*< %<
% q21=my_unwrap(q2); k9|8@3(h
b=2*pi*f0*x+2*pi*z; =,4iMENm!
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); =Co[pt
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); ?-HLP%C('
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- {*jo,<4ee
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 <h A1[S}
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); {0t -Q k
i2=0.5-0.5*sowx+noise.*rand(size(z)); j4fv -{=$
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 /eI]!a
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); m [t4XK
i3=0.5-0.5*cowx+noise.*rand(size(z)); )^^Eh=Kbj
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 ys#V_ysb
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); :w+2L4lGs
i4=0.5+0.5*sowx+noise.*rand(size(z)); 4U1!SR]s
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 >Y\$9W=t
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); pm 4"Q!K
%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))); 2[; 4D/`*
q1=atan2((i4-i2),(i1-i3)); zx7g5 ;J
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 %JsCw8C6?
;*Z.|?3 MM
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------------------%% VYj*LiR
% q11=my_unwrap(q1); `BA,_N |6
figure,mesh(q11); ;: /< XfZ
%%%------------------------------------%% 8>KBh)q
% qq=q11-q21; b=qq./(2*pi); {f9jK@%Gy
% wu=qq./(2*pi)-z; G+$A|'<`z
b=(q11-q21)./(2*pi); :nPLQqXGQ
wu=(q11-q21)./(2*pi)-z; 1;Dug
%err2=max(max(wu)) j18qY4Gw)
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- !jIpgs5
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---%% a0]n>C`~
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 yL#bZ9W
}
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
