ySuLt@X
close all;clear all;clc L=$?q/=-
N=512;x=1:N; {80oRD2=Q
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; Xc9p;B>^Ts
z=zeros(N); 17n+4J]
for i=1:N 5y[b8mur
for j=1:N @!&Jgg53G
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) }[KDE{,V
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 [aWDD[#j~
end p-i.ITRS
end 0x]OF8=J
end ){Ciu[h
z=0.02*z; g]==!!^<D
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 w`.T/
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% N[a ljC-R
a=2*pi*x*f0; 47C(\\
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); *< $c
=
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); @`IXu$Wm(
noise=0; .o\;,l2
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 ;*wT,2;
i02=0.5-0.5*sowx+noise.*rand(size(z)); n{.*El>{
i03=0.5-0.5*cowx+noise.*rand(size(z)); M|[@znzR<
i04=0.5+0.5*sowx+noise.*rand(size(z)); jHu,u|e0>S
figure,imshow(i01);%%%光栅条纹的图像 1Es*=zg
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 3XAp Y'
figure,imshow(i02);%%%光栅条纹的图像 +(=0CA0GE
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); Mz/]D J8
figure,imshow(i03);%%%光栅条纹的图像 9zoT6QP4
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); DnG/ n
figure,imshow(i04);%%%光栅条纹的图像 B@"SOX
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ;o-\. =l
% 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))); vgh^fa!/
q2=atan2((i04-i02),(i01-i03)); D0Vyh"ua
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 _C< 6349w
%%%-------------------------------------%% .g/ARwM}
temp=ones(size(q2)); Xq8uY/j
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--------------- 2Y E;m&
figure,mesh(q21); Sc;iAi
(
% q21=my_unwrap(q2); $zk^yumdE
b=2*pi*f0*x+2*pi*z; 3d,-3U
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); 9SRfjS{7
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); "8wf.nZ
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- ;Pol#0_(
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 a"0B?3*r46
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); [+g(
i2=0.5-0.5*sowx+noise.*rand(size(z)); /v}P)&
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 a)3O? Y
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); /<3;0~#){
i3=0.5-0.5*cowx+noise.*rand(size(z)); ~w
Zl2I
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像
_'!aj+{
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); rao</jN.9
i4=0.5+0.5*sowx+noise.*rand(size(z)); I! h(`
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 7ei>L]gm%
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); ;;EDN45
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); p{iG{
q1=atan2((i4-i2),(i1-i3)); "rme~w Di
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 82j'MgGP
fH{9]TU_:
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% B<|:K\MA
% q11=my_unwrap(q1); }1U#Ve,=_
figure,mesh(q11); =)(3Dp
%%%------------------------------------%% |ZvNH ~!
% qq=q11-q21; b=qq./(2*pi); Ad dGB^7yl
% wu=qq./(2*pi)-z; hnp`s%e,
b=(q11-q21)./(2*pi); zq,iLoY[R
wu=(q11-q21)./(2*pi)-z; 38[)[{G)Hv
%err2=max(max(wu)) nkCecwzr-
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- ;EgzC^2e
figure,mesh(q11);xlabel('x'),ylabel('y'),zlabel('z')%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图---%% I\}|Y+C$d/
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 Yta1`
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差