o@p(8=x
close all;clear all;clc \0{g~cU4
N=512;x=1:N; 0n'~wz"wB
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; b1("(,r/`
z=zeros(N); y([""z3<w
for i=1:N {*X8!P7C
for j=1:N u:6PAVW?
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) $& 0 hpg
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 APfDy
end 0%K/gd#S<
end h{$mL#J
end 't3@dz_dG
z=0.02*z; "agc*o~!F
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维
R%(ww
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% n@hf{hA[a
a=2*pi*x*f0; _fVC\18T
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); #P)7b,3pe
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); shjq4# 9
noise=0; ZPM,ZGlu:
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 /~4wM#Yi8
i02=0.5-0.5*sowx+noise.*rand(size(z)); r_5k$u(
i03=0.5-0.5*cowx+noise.*rand(size(z)); -w0U }Te^
i04=0.5+0.5*sowx+noise.*rand(size(z)); qrWeV8ur+
figure,imshow(i01);%%%光栅条纹的图像 TAkM-iyH]
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); h`_ @eax
figure,imshow(i02);%%%光栅条纹的图像 l$i^e|*
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); K2W$I H:.
figure,imshow(i03);%%%光栅条纹的图像 /c`s$h4-
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ylV.ZoY6
figure,imshow(i04);%%%光栅条纹的图像
D<.zdTo
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); f9Vx td
% 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))); |5if gSZ
q2=atan2((i04-i02),(i01-i03)); [i8,rOa7
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 q,< A W>
%%%-------------------------------------%% 6{XdL I
temp=ones(size(q2)); SS4'yaQ
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--------------- LX
i?FQnLu
figure,mesh(q21); /(aKhUjhb
% q21=my_unwrap(q2); 1j_x 51p
b=2*pi*f0*x+2*pi*z; !A. Kb74
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); H%K,2/Nj
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); Kn#3^>D
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- 7c:5 Ey
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 !PaD q+fB
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp');
=<_ei|ME
i2=0.5-0.5*sowx+noise.*rand(size(z)); " ;)SA,Z
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 D92#&,KD
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); w|"cf{$^x
i3=0.5-0.5*cowx+noise.*rand(size(z)); OMr &f8
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 2MN AY%iT
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); ' O\me
i4=0.5+0.5*sowx+noise.*rand(size(z)); m &U
$ V
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 vd4}b>
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); g{`r WKj
%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))); `kx+ Kc
q1=atan2((i4-i2),(i1-i3)); jh3LD6|s}
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 `=]I -5#.W
a]-.@^:_i
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------------------%% `OY_v=}
% q11=my_unwrap(q1); vFKt=o$ g
figure,mesh(q11); ?c vXuxCm
%%%------------------------------------%% .ZK|%VGW
% qq=q11-q21; b=qq./(2*pi); ~}SOd<n)|
% wu=qq./(2*pi)-z; :QSCky*i
b=(q11-q21)./(2*pi); e[3 rz%'Q
wu=(q11-q21)./(2*pi)-z; nFVQOr;
%err2=max(max(wu)) Iw ? M>'l
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- bd n{Y
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---%% (HHVup1f
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 u}Q@u!~e9
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
