vd$>nJ"
close all;clear all;clc FzCXA=m
N=512;x=1:N; ZWjje6
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; Bf+~&I#E
z=zeros(N); GiK,+M"d
for i=1:N 8I#^qr5
for j=1:N W >}T$a}\
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) }vgM$o
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 +7
j/.R
end {-]K!tWda
end saQo]6#
end <HS{A$]
z=0.02*z; R3piI&u
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 :ec>[N~KG
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% 0jxXUWO
a=2*pi*x*f0; ZJhI|wRwD
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); e.XD5~Ax
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); i|/G!ht^e
noise=0; YD9vWk\/
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 QG
L~??
i02=0.5-0.5*sowx+noise.*rand(size(z)); gXn`!
i03=0.5-0.5*cowx+noise.*rand(size(z)); K$:btWSm
i04=0.5+0.5*sowx+noise.*rand(size(z)); Eg2jexl
figure,imshow(i01);%%%光栅条纹的图像 RX^8`}N
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); Q.V@Sawe5
figure,imshow(i02);%%%光栅条纹的图像 k!$$ *a*
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); E(1G!uu<
figure,imshow(i03);%%%光栅条纹的图像 |DVFi2
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); Ic&YiATj
figure,imshow(i04);%%%光栅条纹的图像 J_|%8N{[x
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); e8xNZG;
% 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))); )?l7I*
q2=atan2((i04-i02),(i01-i03)); A5 4u}
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 4W E)2vkS
%%%-------------------------------------%% ]+w 27!
temp=ones(size(q2)); m@L>6;*
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--------------- @ IDY7x27
figure,mesh(q21); JP
;SO
% q21=my_unwrap(q2); 1sJz`+\
b=2*pi*f0*x+2*pi*z; vtK.7AF
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); *] >R
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); M-+!z5q~d
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- M9~'dS'XI
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 d]sg9`
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); '%TD#!a
i2=0.5-0.5*sowx+noise.*rand(size(z)); Dd,
&a
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 NQiu>Sg
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); N693eN!
i3=0.5-0.5*cowx+noise.*rand(size(z)); P~x4h{~Gd
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 XC}2GHO<
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); *Csxf[O
i4=0.5+0.5*sowx+noise.*rand(size(z)); {S@,
,
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 u'T>Y1I
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); '*&V7:
%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))); heb{i5el
q1=atan2((i4-i2),(i1-i3)); U Q)^`Zj
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 mOyNl
-f
r9D
68*H
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------------------%% 0dD.xuor
% q11=my_unwrap(q1); q8R,#\T*
figure,mesh(q11); #W_-S0>&
%%%------------------------------------%% q"f7$
% qq=q11-q21; b=qq./(2*pi); *kj+6`:CPs
% wu=qq./(2*pi)-z; ew c:-2Y^
b=(q11-q21)./(2*pi); +I:/8,&-x
wu=(q11-q21)./(2*pi)-z; N!\1O,
%err2=max(max(wu)) z$/s` |]
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- ?fc<3q"
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---%% =*6H!bzX
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 Gu2=+?i?h
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差