U:o(% dk
close all;clear all;clc ykbTWp$Y4Z
N=512;x=1:N; fA>FU/ r
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; wth*H$iF
z=zeros(N); FlQ(iv)P
for i=1:N SH${ \BKup
for j=1:N D,J yb0BW
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) @$(@64r
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 nofK(0TF
end K<Qy1y~[
end ?h4Rh0rkX
end >k{KwFB^S
z=0.02*z; Us*"g{PQ
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 $5n6C7
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% >m;*Zk`
a=2*pi*x*f0; urK[ v
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); RRH[$jk
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); zU$S#4/C
noise=0; Z#P:C":e
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图，以下分别为相移后的条纹图，4步相移，共4帧 ~)\E&c
i02=0.5-0.5*sowx+noise.*rand(size(z)); b4HUgW3Ac
i03=0.5-0.5*cowx+noise.*rand(size(z)); EsR$H2"
i04=0.5+0.5*sowx+noise.*rand(size(z)); Rg?m$$X`
figure,imshow(i01);%%%光栅条纹的图像 1-M\K^F
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); @ s2<y@
figure,imshow(i02);%%%光栅条纹的图像 f^63<gqY
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); !?~>f>js_l
figure,imshow(i03);%%%光栅条纹的图像 I T\lkF 2
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); U1wsCH3+ n
figure,imshow(i04);%%%光栅条纹的图像 BRg(h3 E D
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); xEfz AJ5&
% 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))); ucVn `
q2=atan2((i04-i02),(i01-i03)); uqg#(ADy?R
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 oI6l ` K$
%%%-------------------------------------%% }dt 7n65
temp=ones(size(q2)); g,N"o72)
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--------------- }L1 -2
figure,mesh(q21); #nS
% q21=my_unwrap(q2); X( H-U
q*(
b=2*pi*f0*x+2*pi*z; ^Q'^9M2)
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); .;&1"b8G
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); hn bF}AD
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- (3>Z NTm
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 5#SD$^
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); {IlX@qWr
i2=0.5-0.5*sowx+noise.*rand(size(z)); +80yyn#
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 s}pn5zMp:8
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); SqF9#& F
i3=0.5-0.5*cowx+noise.*rand(size(z)); #6%9*Rh
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 LmKG6>Q1#1
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); 9Xv >FVG!
i4=0.5+0.5*sowx+noise.*rand(size(z)); ma<+!*|
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 0rtP :Nj$
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); $O/@bh1@p
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); ' N@1+v=
q1=atan2((i4-i2),(i1-i3)); G/*0*&fW
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位，被截断在幅角主值范围内 d sh S+d
I C6}s
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布，此图像应为斜面上有高度起伏的现象的一幅图------------------%% `2M`;$~ 5
% q11=my_unwrap(q1); uNV\_'9>Y
figure,mesh(q11); ]ctlK'.
%%%------------------------------------%% AIR\>.~"i*
% qq=q11-q21; b=qq./(2*pi); l$_Yl&!q$
% wu=qq./(2*pi)-z; <opBOZ
d
b=(q11-q21)./(2*pi); W\tSXM-Hg
wu=(q11-q21)./(2*pi)-z; 5+gSpg]i
%err2=max(max(wu)) JY|f zL
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- cG"+n@ \
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---%% V*m@Rs!)2
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 UoLvc~n7
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
