[d_sd
close all;clear all;clc XiB]I5(hcc
N=512;x=1:N; Z|kMoB
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; =
5E:C P
z=zeros(N); 4{r_EV[(
for i=1:N a~-^$Fzgy
for j=1:N I2wT]L UV
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) f1RfNiW.
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 xf.2Ig
end UUt631
end q|A-h'
end +i[w& P
z=0.02*z; /B?hM&@z
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 G
Riu]
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% h8yv:}XU*
a=2*pi*x*f0; ;#$zHR
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); a;A&>Ei}
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 0+\~^
noise=0; =/Dp*
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 `f2m5qTP%
i02=0.5-0.5*sowx+noise.*rand(size(z)); /e5Fx
i03=0.5-0.5*cowx+noise.*rand(size(z)); fV;&)7d&
i04=0.5+0.5*sowx+noise.*rand(size(z)); '7<@(HO
figure,imshow(i01);%%%光栅条纹的图像 afZPju"-
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); Lz
VvUVk
figure,imshow(i02);%%%光栅条纹的图像 sKX%<n$
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); Hf/2KYZ
figure,imshow(i03);%%%光栅条纹的图像 [\ JZpF
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); YJ5;a\QxN
figure,imshow(i04);%%%光栅条纹的图像 Z6cG<,DQ
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); T_}\
% 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))); L?^C\g6u]
q2=atan2((i04-i02),(i01-i03)); Q#bFW?>y,
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 Zv=p0xH
%%%-------------------------------------%% tc{23Rf%
temp=ones(size(q2)); ,
"zS
pN
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--------------- a<V=C
figure,mesh(q21); azB~>#H~
% q21=my_unwrap(q2); n#N<zC/
b=2*pi*f0*x+2*pi*z; rrSA.J{
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); fxLhVJ"b
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); X/1Z9a+W
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- qi7wr\XNW
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 &-+&`h|s
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); v]*W*;
i2=0.5-0.5*sowx+noise.*rand(size(z)); U[S;5xeF.j
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 0zpP$q$
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); }}qR~.[
i3=0.5-0.5*cowx+noise.*rand(size(z)); 5b B[o6+
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 S$"A[
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); su=.4JcK
i4=0.5+0.5*sowx+noise.*rand(size(z)); E"Xi
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 qc\o>$-:`
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); j.CC.[$g
%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))); i=2+1;K
q1=atan2((i4-i2),(i1-i3)); No[xf9>t
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 oRu S_X
rMlbj2T
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------------------%% 73xI8
% q11=my_unwrap(q1); xs &vgel>
figure,mesh(q11); +N4h
Q"
%%%------------------------------------%% kd\G>
% qq=q11-q21; b=qq./(2*pi); Mdwh-Cis/
% wu=qq./(2*pi)-z; z|P& 8#txM
b=(q11-q21)./(2*pi); 0l_-
wu=(q11-q21)./(2*pi)-z; *rEW@06^\
%err2=max(max(wu)) F"23>3
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- {8jG6
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---%% jv0e&rt
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 1<R
\V
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差