!Aw^X} C
close all;clear all;clc { aUnOyX_
N=512;x=1:N; _cX}!d!j
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; A~2)ZdAN
z=zeros(N); O\ZC$XF
for i=1:N Zd6ik&S
for j=1:N ;:fW]5"R
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) wSN9`"
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 x9vSekV
end @PEFl"
end c3^!S0U
end @ph!3<(In,
z=0.02*z; dRX~eIw
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 LE\=Y;%
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% Uj):}xgi'
a=2*pi*x*f0; P.'.KZJ:WD
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); STp9Gh-
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); V4n~Z+k
noise=0; C9!t&<\}
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 m&:&z7^p
i02=0.5-0.5*sowx+noise.*rand(size(z)); L"qJZU
i03=0.5-0.5*cowx+noise.*rand(size(z)); x
b"z%.j
i04=0.5+0.5*sowx+noise.*rand(size(z)); :V(LBH0
figure,imshow(i01);%%%光栅条纹的图像 5#,H&ui\
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); qq/>E*~
figure,imshow(i02);%%%光栅条纹的图像 QB*,+u4
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); !6KX^j-
figure,imshow(i03);%%%光栅条纹的图像 {^WK#$]
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ;
oyV8P$
figure,imshow(i04);%%%光栅条纹的图像 {]k#=a4
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); (/e&m=~
% 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))); gQy%T]
q2=atan2((i04-i02),(i01-i03)); T/_u;My;
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 ppyy0E^M
%%%-------------------------------------%% 42NfD/"g+s
temp=ones(size(q2)); }QFL
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--------------- |U%NPw5
figure,mesh(q21); T$5wH )<
% q21=my_unwrap(q2); oY)eN?c
b=2*pi*f0*x+2*pi*z; jeu'K vhe
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); )9YDNVo*-
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); g:o/^_
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- * Gg7(cnpw
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 )|~&(+Q?]
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); ZcN0:xU
i2=0.5-0.5*sowx+noise.*rand(size(z)); ;6G]~}>o
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 6}^x#9\
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); q+?&w'8
i3=0.5-0.5*cowx+noise.*rand(size(z)); ?Mjs [|
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 p<mL%3s0
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); &}"kF\
i4=0.5+0.5*sowx+noise.*rand(size(z)); y%TqH\RKv
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 N]P~`)
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); ?"yjgt7+y
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); oGcgd$%ZB
q1=atan2((i4-i2),(i1-i3)); ~7:q+\
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^y
7{#p'.nc5
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------------------%% w
<r*&
% q11=my_unwrap(q1); y\FQt];z)
figure,mesh(q11); Z",0 $Gxu
%%%------------------------------------%% REh"/d
% qq=q11-q21; b=qq./(2*pi); *~PB
% wu=qq./(2*pi)-z; /TMVPnvz.
b=(q11-q21)./(2*pi); $u<;X^
wu=(q11-q21)./(2*pi)-z; G*=HjLmZg
%err2=max(max(wu)) V IzIl\<aM
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- T<uX[BO-a
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---%% ~VsN\! G
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 V^s, 3C
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差