_G=k^f_
close all;clear all;clc /p_#8}Uh
N=512;x=1:N; /L? ia
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; L9":=
z=zeros(N); {pyTiz#JY
for i=1:N zsuXN *
for j=1:N &+ zS4)UK
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 6E@qZvQ
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 }:a:E~5y
end N.@@ebuE
end <m X EX`?
end g<$q#l~4xH
z=0.02*z; R;EdYbiF b
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 n(tx '&U"R
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% bL]N SD
a=2*pi*x*f0; QNe siV0MI
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 5| 0}
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); Kk9W =vd
noise=0; | )M>;q
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图，以下分别为相移后的条纹图，4步相移，共4帧 jM!Q
04(
i02=0.5-0.5*sowx+noise.*rand(size(z)); .DG`~Fpk
i03=0.5-0.5*cowx+noise.*rand(size(z)); #9ZHt5T=$
i04=0.5+0.5*sowx+noise.*rand(size(z)); ZF~@a+o
figure,imshow(i01);%%%光栅条纹的图像 *$yU|,
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); wY6m^g$h3
figure,imshow(i02);%%%光栅条纹的图像 G Ps//
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); ]
g] ^^
figure,imshow(i03);%%%光栅条纹的图像 FEwPLViso
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); {YigB
figure,imshow(i04);%%%光栅条纹的图像 {ZIEIXWb2
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); \qj(`0HG
% 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))); 0l+[[ZTV
q2=atan2((i04-i02),(i01-i03)); ^ ^T e
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$#7Kp4
%%%-------------------------------------%% f )Ef- o
temp=ones(size(q2)); ,Vr-E
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--------------- *~ SanL\
figure,mesh(q21); B Ms?+
% q21=my_unwrap(q2); G3_HX<|f*
b=2*pi*f0*x+2*pi*z; I )wc&>Lc
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); @Tz}y" VG
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); *BF G{P
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- @Z2 ^smf
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 6Mh"{N7
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); 7X`]}z4g
i2=0.5-0.5*sowx+noise.*rand(size(z)); [Lal_}m?
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 S}/5W
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); S-%itrB*
i3=0.5-0.5*cowx+noise.*rand(size(z)); & \ $~
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 2D)B%nM[
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); ^n~bx *f
i4=0.5+0.5*sowx+noise.*rand(size(z)); HP2J`> oo
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 !j%MN{ #a
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); =}UcYC6l
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); *!m(oP
q1=atan2((i4-i2),(i1-i3)); V
0z`p"
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 8 @A}.:
Ym|%ka
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图------------------%% GW,RE\Q:
% q11=my_unwrap(q1); /^hc8X
figure,mesh(q11); e82xBLx R%
%%%------------------------------------%% R1vuf*A5,
% qq=q11-q21; b=qq./(2*pi); R@~=z5X( Q
% wu=qq./(2*pi)-z; i+ICgMcd
b=(q11-q21)./(2*pi); GUn$IPOM
wu=(q11-q21)./(2*pi)-z; K( r@JW
%err2=max(max(wu)) ToR@XL!%rP
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- s Wv!ig_
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---%% Z;~ 7L*|
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 !xvAy3
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
