? 7/W>
close all;clear all;clc ~5FS|[1L
N=512;x=1:N; iJ,M-GHK
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; -,FK{[h]ka
z=zeros(N); >_&~!Y.Z=
for i=1:N N 9c8c
for j=1:N 1P+Mv^%I
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) umZlIH[7
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 &/sGh0
end zv$Gma_
end D/gd
end c:3@[nF~
z=0.02*z; L@>^_p$
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 gsLr=
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ?H y%ULk
a=2*pi*x*f0; AF6d#Klog
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); a];BW)
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); <P|`7wfxE
noise=0; -
P\S>G.
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 [u/zrpTk
i02=0.5-0.5*sowx+noise.*rand(size(z)); t9?R/:B%
i03=0.5-0.5*cowx+noise.*rand(size(z)); =$^Wkau
i04=0.5+0.5*sowx+noise.*rand(size(z)); CWE Ejl
figure,imshow(i01);%%%光栅条纹的图像 f@wsSm
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); j5PaSk&o=
figure,imshow(i02);%%%光栅条纹的图像 %T`4!:vy
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); >W>##vK
figure,imshow(i03);%%%光栅条纹的图像 0$n8b/%.
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); =#OHxM
figure,imshow(i04);%%%光栅条纹的图像 Gojl0?
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ^t\kLU
% 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))); M3DxapG
q2=atan2((i04-i02),(i01-i03)); 1 ;_{US5FR
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 5u'TmLuKT
%%%-------------------------------------%% @/CRIei
temp=ones(size(q2)); Rf)'HT
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--------------- *Gg1h@&
figure,mesh(q21); KU1+<OCh
% q21=my_unwrap(q2); zkjPLeX
b=2*pi*f0*x+2*pi*z; a9yIV5_N
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); >{O[t2&
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); 6'RZ
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- o>xxmyW|
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 mA&RN"+V
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); Y&?|k'7
i2=0.5-0.5*sowx+noise.*rand(size(z)); >/7KL2*
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 8vz_~p9%j
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); t`
}20=I+
i3=0.5-0.5*cowx+noise.*rand(size(z)); #2_o[/&}x@
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 p<Zs*
@
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); B'G*y2UnG
i4=0.5+0.5*sowx+noise.*rand(size(z));
91-P)%?
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 3v9gb,)y\
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); (t]lP/
%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))); v\vE^|-\/
q1=atan2((i4-i2),(i1-i3)); o~i]W.SI(
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
|y{;|K
Bxn8><
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------------------%% jw:4fb
% q11=my_unwrap(q1); A2g"=x[1@K
figure,mesh(q11); AIvL#12
%%%------------------------------------%% w?V[[$
% qq=q11-q21; b=qq./(2*pi); s`8M%ZLu
% wu=qq./(2*pi)-z; 7&;[an^w
b=(q11-q21)./(2*pi);
At`1)
wu=(q11-q21)./(2*pi)-z; TEaD-mY3
%err2=max(max(wu)) es.\e.HK
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- "TBQNWZ
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---%% l}2%?d
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 jSeA%Te
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差