q\{;_?a
close all;clear all;clc }RC.Q`b
N=512;x=1:N; >o=axZNa
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; m%BMd
z=zeros(N); #/&q
for i=1:N $w2[5|^S
for j=1:N @n~ND).
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 93zlfLS0
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 Yc|-sEK/
end Yp?a=R
end uMq\];7I
end n]6w)wE(
z=0.02*z; _3FMQY(
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 @eG#%6">
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% MRxo|A{
a=2*pi*x*f0; %Pt[3>
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 2yVGEp^
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); <try%p|f
noise=0; `qYc#_ELv
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 +@<^i?ale
i02=0.5-0.5*sowx+noise.*rand(size(z)); ;Kq<',u~
i03=0.5-0.5*cowx+noise.*rand(size(z)); i >/@]2
i04=0.5+0.5*sowx+noise.*rand(size(z)); f R{WS:Pv
figure,imshow(i01);%%%光栅条纹的图像 #q^>qX
y
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); QVA!z##
figure,imshow(i02);%%%光栅条纹的图像 m-pIFL<^N
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); g'l7Jr3
figure,imshow(i03);%%%光栅条纹的图像 w-q=.RSTn=
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); '
m#Ymp
figure,imshow(i04);%%%光栅条纹的图像 `zvT5=*-#
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); @?($j)9}
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); `(w kqa
q2=atan2((i04-i02),(i01-i03)); 0 ^-b}
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 f|HgLFx
%%%-------------------------------------%% OkO@BWL
temp=ones(size(q2)); 36D,el In
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- "}azC|:5
figure,mesh(q21);
,"HpV
% q21=my_unwrap(q2); >=RHE@
b=2*pi*f0*x+2*pi*z; Lh5+fk~i~8
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); 0$dY;,Q .
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); X#\P.$
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- g]hn@{[
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 W1M/Z[h6)5
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); BRQ5
i2=0.5-0.5*sowx+noise.*rand(size(z)); Ni;{\"Gt
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 O'?lW~CD.>
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); !un"XI0`t<
i3=0.5-0.5*cowx+noise.*rand(size(z)); {UjIxV(J
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 C ^ k3* N
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); J jL0/&
i4=0.5+0.5*sowx+noise.*rand(size(z)); h: (l+jr
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 hrtN.4p[
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); !&<Wc^PG
%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))); ohG43&g~
q1=atan2((i4-i2),(i1-i3)); @%okaj#IO
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 #on fac- 3
{~
vPq
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------------------%% 1,sO =p)Yg
% q11=my_unwrap(q1); m:o$|7r
figure,mesh(q11); (4/`@;[
%%%------------------------------------%% -1Ki7|0,
% qq=q11-q21; b=qq./(2*pi); Wug ?CFX+T
% wu=qq./(2*pi)-z; CX@HG)l
b=(q11-q21)./(2*pi); eXtF[0f
wu=(q11-q21)./(2*pi)-z; k1
txY
%err2=max(max(wu)) Wn)A/Z ^r
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- /-} p7AM
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---%% 3jQ$72_
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 gj(l&F *@
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差