x(b&r g.-0
close all;clear all;clc sa#"@j)
N=512;x=1:N; n1ED _9
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; |ntJ+
z=zeros(N); @6D<D6`
for i=1:N N{9<Tf *
for j=1:N J)fS2Ni+
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) _ _)Z Q
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 ;C"J5RA
end Oy|9po
end tcX7Ua(I`
end If&p$pAH?
z=0.02*z; Sej$x)Q\t
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 nlmkkTHF8
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% i5n'f6C
a=2*pi*x*f0; S&=B &23T
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ;:!LAe
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); S$H4xkKs
noise=0; sJ?kp^!g
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 ]Pd*w`R
i02=0.5-0.5*sowx+noise.*rand(size(z)); B\=&v8
i03=0.5-0.5*cowx+noise.*rand(size(z)); 'QV4=h`
i04=0.5+0.5*sowx+noise.*rand(size(z)); 2)8lJXM$L
figure,imshow(i01);%%%光栅条纹的图像 AjlG_F
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); p5H Mg\hT
figure,imshow(i02);%%%光栅条纹的图像 3Q ]MT
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); ~*[}O)7#
figure,imshow(i03);%%%光栅条纹的图像 uo{QF5z]
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); OKU P
figure,imshow(i04);%%%光栅条纹的图像 cu"%>>,,
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); I&xRK'
% 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))); vB
Jva8;Q
q2=atan2((i04-i02),(i01-i03)); @KpzxcEoO
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 };+s0:H
%%%-------------------------------------%% ~J2Q0Jv
temp=ones(size(q2)); f@}( <#
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--------------- zV&3l9?U
figure,mesh(q21); soohyK8
% q21=my_unwrap(q2); -( iJ<
b=2*pi*f0*x+2*pi*z; UiSc*_N"
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); H{XW?O^@
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); + mcN6/
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- A:!{+
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 E7<:>Uh
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); wTW"1M
i2=0.5-0.5*sowx+noise.*rand(size(z)); #X8[g _d/
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 }n=NHHtJ
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); VO`A
i3=0.5-0.5*cowx+noise.*rand(size(z)); DEs?xl]zO
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 S3<v?tqLr
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); gvJJ.IX]+
i4=0.5+0.5*sowx+noise.*rand(size(z)); @bx2=
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ~4^e a
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); CL*%06QyE
%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))); L~$RF {$
q1=atan2((i4-i2),(i1-i3)); 4TKi)0
#7
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 eXd(R>Mx
Lv4=-mWv&0
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------------------%% +{I\r|
% q11=my_unwrap(q1); L$xRn/\
figure,mesh(q11); op*+fJHD
%%%------------------------------------%% [GuDMl3hC
% qq=q11-q21; b=qq./(2*pi); ?MYD}`Cv
% wu=qq./(2*pi)-z; ~<%cc+;`
b=(q11-q21)./(2*pi); UE4#j\
wu=(q11-q21)./(2*pi)-z; M($},xAvDU
%err2=max(max(wu)) ,54<U~Lg:
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- x\DkS,O
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---%% ;Ki1nq5c#s
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 3KKe4{oG
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差