KF'H|)!K
close all;clear all;clc uPV,-rm[F_
N=512;x=1:N; ;?2vW8{p<
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; [NvEX Td
z=zeros(N); FzpWT-jnDd
for i=1:N [`fq4Ky
for j=1:N i&>,aiH @
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) s80_e
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 >Fld7;L?<
end i? AZ| Ha[
end |-_5ou N.
end ~~zw[#'
z=0.02*z; `z` `d*_
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 !icpfxOpjQ
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ]QT0sGl
a=2*pi*x*f0; {|xwvTl J
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 0uU %jN$
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); ITc/aX
noise=0; sD{b0mZT
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
o@LjSQ5!
i02=0.5-0.5*sowx+noise.*rand(size(z)); @gi
Y
i03=0.5-0.5*cowx+noise.*rand(size(z)); UWn}0:6t
i04=0.5+0.5*sowx+noise.*rand(size(z)); v[a#>!; s
figure,imshow(i01);%%%光栅条纹的图像 d;<n [)@
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 6eDIS|/
figure,imshow(i02);%%%光栅条纹的图像 29sgi"
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); -;P<Q`{I
figure,imshow(i03);%%%光栅条纹的图像 Rc6
)v
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); f6L_u k`{
figure,imshow(i04);%%%光栅条纹的图像 LDBR4 @V
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); Km <Wh=
% 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))); m]-8?B1`Y
q2=atan2((i04-i02),(i01-i03)); iQ9#gPk_9
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 {my=Li< _H
%%%-------------------------------------%% Bd
NuhV`0
temp=ones(size(q2)); l(]\[}.5
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--------------- z)VIbEy
figure,mesh(q21); =( n'#mV
% q21=my_unwrap(q2); z t,-O7I'1
b=2*pi*f0*x+2*pi*z; .v" lY2:N
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); MW`a>' 0t?
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); }qD.Ek
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- ~o/^=:*
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 Yi p9K[
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); Q?a"uei[
i2=0.5-0.5*sowx+noise.*rand(size(z)); hx^a&"
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 3-mw-;.
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); phc1AN=[E
i3=0.5-0.5*cowx+noise.*rand(size(z));
l#~Fe D
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 VNYLps@4H
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); 4*+ EUJ|
i4=0.5+0.5*sowx+noise.*rand(size(z)); ,g,jY]o
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 9iF e^^<ss
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); p_z"Uwp
%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))); 7&At _l_
q1=atan2((i4-i2),(i1-i3)); ^ mum5j
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 6 gKOpa
wFJK !9KA8
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------------------%% Dz50,*}J
% q11=my_unwrap(q1); gNqV>p
figure,mesh(q11); z JnVO$A'
%%%------------------------------------%% Un/fP1
% qq=q11-q21; b=qq./(2*pi); 0&.lSwa
% wu=qq./(2*pi)-z; I)Lb"
b=(q11-q21)./(2*pi); wi9|
wu=(q11-q21)./(2*pi)-z; og\XLJ}_
%err2=max(max(wu)) U2AGH2emw
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- t3GK{X
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---%% Pu^~]^W)
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 \a6)t%u
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
