B?0{=u
close all;clear all;clc zi?'3T%Ie
N=512;x=1:N; n~&R_"mv(
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; +cV!=gDT
z=zeros(N); 7 $9fGo
for i=1:N _yWH\5@
for j=1:N 4[J3HLQ
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 2 !;4mij,
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 ;n;^f&;sJ
end 68HX,t
end \PLV]%3,
end 9>i6oF]Oq
z=0.02*z; /M3D[aR<d
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 4o*V12_r'4
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% }a9C/t3
a=2*pi*x*f0; 5./
(fgx>
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ?UfZ VyHv+
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); &16bZw
noise=0; EkL\~^
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 R$fna[Xw@/
i02=0.5-0.5*sowx+noise.*rand(size(z)); `5 6QX'?
i03=0.5-0.5*cowx+noise.*rand(size(z)); 87^
4",
i04=0.5+0.5*sowx+noise.*rand(size(z)); %UQ{'JW?K
figure,imshow(i01);%%%光栅条纹的图像 8zc!g|5"
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); '.K,EM!-~h
figure,imshow(i02);%%%光栅条纹的图像 {;4PP463
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 4w
z
6%
figure,imshow(i03);%%%光栅条纹的图像 DO\EB6xH>%
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); t~M<j|]k
figure,imshow(i04);%%%光栅条纹的图像 b{I`$E<[
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); 5{g9Wh[
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); MJG%HakK0
q2=atan2((i04-i02),(i01-i03)); \a6)t%u
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 epbp9[`
%%%-------------------------------------%% >o} ati
temp=ones(size(q2)); lBn*G&(P
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- ]T51;j'48
figure,mesh(q21); O2,g]t~C
% q21=my_unwrap(q2); <!N;(nZ9}O
b=2*pi*f0*x+2*pi*z; # 0!IUSa
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); u W|x)g11a
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); YxtkI:C?
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- Q#Y3%WF
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 ->hxHr`!%a
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); Cv~hU%1T
i2=0.5-0.5*sowx+noise.*rand(size(z)); ;iORfUjxrq
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 vs@:L)GW\
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); s4$m<"~
i3=0.5-0.5*cowx+noise.*rand(size(z)); '&QT}B
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 u}1vn} F{
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); "r
V4[MVxt
i4=0.5+0.5*sowx+noise.*rand(size(z)); N 9&@,3
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ee_\_"
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); oPy zk7{
%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))); %~5Q^3$O
q1=atan2((i4-i2),(i1-i3)); `fkrik
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 tlERis
V
3]p3
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------------------%% 3=l-jGJk
% q11=my_unwrap(q1); qE72(#:R*
figure,mesh(q11); erP>P
%%%------------------------------------%% &iOtw0E
% qq=q11-q21; b=qq./(2*pi); (<C%5xk
% wu=qq./(2*pi)-z; vEe
b=(q11-q21)./(2*pi); E
E|zY%
wu=(q11-q21)./(2*pi)-z; _~nex,;r
%err2=max(max(wu)) (YJAT
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- r65NKiQD
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---%% D:ugP,
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 ,:(leWeA9
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差