sDXD>upO
close all;clear all;clc {Uj-x
-
N=512;x=1:N; |x#w8=VP-
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; !9p;%Ny`
z=zeros(N); d":GsI?3
for i=1:N OAw- -rl
for j=1:N z}z 6Vg
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) [Zxv&$SQ
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 7H!/et?S,
end T
j(MIFi|5
end ;U)xZ _Ew~
end 'nRoa7v(
z=0.02*z; {a9(
Qi
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 #X t|"Z
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% w]O[{3"
a=2*pi*x*f0; #AO?<L
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 6 @A'N(I=O
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); B9(@.
noise=0; oT0TbZu%
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 ?[VL
2dP0
i02=0.5-0.5*sowx+noise.*rand(size(z)); OUFx M
i03=0.5-0.5*cowx+noise.*rand(size(z)); @
Cd#\D|
i04=0.5+0.5*sowx+noise.*rand(size(z)); q"9 2][}
figure,imshow(i01);%%%光栅条纹的图像 ;k|U2ajFJ
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); m xEniy
figure,imshow(i02);%%%光栅条纹的图像 r7^oqEp@B
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); wG@f~$
figure,imshow(i03);%%%光栅条纹的图像 (J 1:J
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); N}gPf
i
figure,imshow(i04);%%%光栅条纹的图像 ?RQ_LA;
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); cMK}BHOC
% 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))); sXaudT
q2=atan2((i04-i02),(i01-i03)); "K c/Cs2[
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 WRov7
%%%-------------------------------------%% nghpWODq
temp=ones(size(q2)); =JNCQu
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--------------- F87/p
figure,mesh(q21); ItD&L
))
% q21=my_unwrap(q2); 6m%#cP
(6K
b=2*pi*f0*x+2*pi*z; )lZoXt_3
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); kt2W7.A5
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); of=N+
W
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- mgE
r+
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 pf$gvL
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp');
35%\"Y?
i2=0.5-0.5*sowx+noise.*rand(size(z)); iY*fp=c9
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 +3F%soum95
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); $W]}m"l
i3=0.5-0.5*cowx+noise.*rand(size(z)); Jo''yrJpB
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 RJ1@a
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); Dv"HFQuF
i4=0.5+0.5*sowx+noise.*rand(size(z)); 43?uTnX/
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ,GF]+nI89
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); VVJIJ9L&C
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); WZM
q1=atan2((i4-i2),(i1-i3)); tj4/x7!
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内
*7o@HBbF
p""\uG'
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% T5Iz{Ha
% q11=my_unwrap(q1); H/U.Bg 4
figure,mesh(q11); bae;2| w
%%%------------------------------------%% 6Ts[NXa
% qq=q11-q21; b=qq./(2*pi); =m;,?("7t3
% wu=qq./(2*pi)-z; <?>tjCg'
b=(q11-q21)./(2*pi); A{p_I<
wu=(q11-q21)./(2*pi)-z; "H#pN;)+
%err2=max(max(wu)) uJ`:@Z^J
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- 7M)<Sv
figure,mesh(q11);xlabel('x'),ylabel('y'),zlabel('z')%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图---%% xzHb+1+p
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 f?$yxMw:@
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差