G-;pMFP(?
close all;clear all;clc u/,m2N9cL
N=512;x=1:N; <
Gu
s9^_
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; >B3_P4pW9
z=zeros(N); wRWN]Vo
for i=1:N `VS/Xyp
for j=1:N o{ U=
f6
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) _\u'~wWl
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 T@f$w/15
end [Si`pPvl
end <.:B .k
end H'2pmwk
z=0.02*z; .PF~8@1ju
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维
1vQ*Br
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ]V}";cm;2
a=2*pi*x*f0; zi<C5E`
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); QCMt4`%'u
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); ](3=7!!J
noise=0; I)n%aT fo8
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 9D-PmSnv
i02=0.5-0.5*sowx+noise.*rand(size(z)); _AK-AY
i03=0.5-0.5*cowx+noise.*rand(size(z)); _PQQ&e)E
i04=0.5+0.5*sowx+noise.*rand(size(z)); qJrK?:O;
figure,imshow(i01);%%%光栅条纹的图像 `Y8F}%i[
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); FzW7MW>\x
figure,imshow(i02);%%%光栅条纹的图像 X8y&|uH
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); ?>DN7je
figure,imshow(i03);%%%光栅条纹的图像 >pUR>?t"
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); g2BE-0, R
figure,imshow(i04);%%%光栅条纹的图像 3Vs8"BFjz
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp');
Jf9a<[CcV
% 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))); F7x]BeTM
q2=atan2((i04-i02),(i01-i03)); KZ>cfv-&a
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 :tdN#m6&
%%%-------------------------------------%% U]ynnw4
temp=ones(size(q2)); Iw~R@,
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--------------- 4hz T4!15
figure,mesh(q21); QVJq% P
% q21=my_unwrap(q2); Uc^e Ia@
b=2*pi*f0*x+2*pi*z; s'b 4Me
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); %68'+qz
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); T\?$7$/V
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- w;W# 'pE
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 -M5vh~Tp
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); R-LMV
i2=0.5-0.5*sowx+noise.*rand(size(z)); SO4?3wg7
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 eu={6/O
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); i'V("
i3=0.5-0.5*cowx+noise.*rand(size(z)); FJ,"a%m/Q
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 U}@xMt8@l
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); DK)T2{:
i4=0.5+0.5*sowx+noise.*rand(size(z)); ~jC+6v
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 l^F ?^kP
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); I+=+ ,iXhB
%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))); @`$'sU
q1=atan2((i4-i2),(i1-i3)); mww<Xm'
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 is
}>+&_
$Nd,6w*`
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% jr,N+K(@T
% q11=my_unwrap(q1); Mg#yl\v
figure,mesh(q11); 1U%
/~
%%%------------------------------------%% >H^#!eaqw
% qq=q11-q21; b=qq./(2*pi); q3AqU?f
% wu=qq./(2*pi)-z; h5SJVa
b=(q11-q21)./(2*pi); D"J',YN$
wu=(q11-q21)./(2*pi)-z; <+k"3r{y"
%err2=max(max(wu)) N0H=;CIQ
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- ;-6-DEL
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---%% W#S8 2
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 zw['hqW
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差