=(5}0}j
close all;clear all;clc RAEiIf!3
N=512;x=1:N; f^XfI H_#
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; _~ 7cn
z=zeros(N); pM@0>DVi
for i=1:N W}oAgUd
for j=1:N rMUQh~a/
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) HmEU;UbO-
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 v*e=oyx[
end \hZ9in`YlR
end -Ar 3>d
end "[]72PC
z=0.02*z; ;0++):30V
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 #1f8A5<
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% B3Esfk
a=2*pi*x*f0; .J|"bs9
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); }Rq-IRa'
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 7Y'.yn
noise=0; C[(Exe
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 v~HfA)#JK
i02=0.5-0.5*sowx+noise.*rand(size(z)); K<tkNWasQ
i03=0.5-0.5*cowx+noise.*rand(size(z)); T k>N4yq
i04=0.5+0.5*sowx+noise.*rand(size(z)); #bLeK$
figure,imshow(i01);%%%光栅条纹的图像 I#hzU8Cc
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); l.i&.;f
figure,imshow(i02);%%%光栅条纹的图像 rB%acTCz=[
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); lV !@h}mG
figure,imshow(i03);%%%光栅条纹的图像 X*C4NF0
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); -{fbZk&A
figure,imshow(i04);%%%光栅条纹的图像 +EgQj*F*
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); :j,e0#+sA
% 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))); BI6o@d;=4
q2=atan2((i04-i02),(i01-i03)); =2[cpF]
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 kQm\;[R
%%%-------------------------------------%% pfvNVu
temp=ones(size(q2)); ^Q4m1?
40
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--------------- @7';bfsix
figure,mesh(q21); QFf lx
% q21=my_unwrap(q2); #|
Et9
b=2*pi*f0*x+2*pi*z; *tT}y(M
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); j^~WAWbFh
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); N5[fwz
w
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- N8l(m5Kk,k
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 Lw.N3!e[
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); fXYg %
i2=0.5-0.5*sowx+noise.*rand(size(z)); vrIM!~*W
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 eESJk14
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); P
A9
]L
i3=0.5-0.5*cowx+noise.*rand(size(z)); a4! AvG
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 n2H2G_-L[
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); {N$G|bm]u<
i4=0.5+0.5*sowx+noise.*rand(size(z)); wLC|mByq
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 PF-
sb&q
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); -K)P|'-?m
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); N*My2t_+E
q1=atan2((i4-i2),(i1-i3)); |nj%G<
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 C@L:m1fz
l+Tw#2s$
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------------------%% @4b"0ne}h
% q11=my_unwrap(q1); )vk$]<$
figure,mesh(q11); (byFr9z
%%%------------------------------------%% I=pTfkTT
% qq=q11-q21; b=qq./(2*pi); mOyBSOad4
% wu=qq./(2*pi)-z; u U>Bun
b=(q11-q21)./(2*pi); U:xr['
wu=(q11-q21)./(2*pi)-z; sEL[d2oO
%err2=max(max(wu)) */RtN`dh
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- ]pr;ME<M{
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---%% *Oo2rk nQ
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 70m}+R(`
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差