Mzg zOM
close all;clear all;clc cD%_+@GaU
N=512;x=1:N; A,'F`au
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; $q|-9B
z=zeros(N); cko^_V&x
for i=1:N #NyfE|MKBC
for j=1:N **G5fS.^W
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) M1mx {<]A
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 OGR2Y
end w=QlQ\
end CyV2=o!F w
end '+s ?\X4VC
z=0.02*z; W?:e4:Q
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 uGc0Lv4i/
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ez-jVi-Fi
a=2*pi*x*f0; !,cLc}a
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ?Tlt(%f
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); G`e!Wv C
noise=0; u]z87#4
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 "-
?uB Mz
i02=0.5-0.5*sowx+noise.*rand(size(z)); p9y@5z
i03=0.5-0.5*cowx+noise.*rand(size(z)); 'PqKb%B|
i04=0.5+0.5*sowx+noise.*rand(size(z)); `x:O&2
figure,imshow(i01);%%%光栅条纹的图像 ?onEqH>
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 1a]P+-@u[
figure,imshow(i02);%%%光栅条纹的图像 &v/>P1Z
G
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); e~ZxDAd
figure,imshow(i03);%%%光栅条纹的图像 )z_5I (?&
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); 3
,f3^A
figure,imshow(i04);%%%光栅条纹的图像 |V&E q>G
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); 8yC/:_ML
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); ?Q[b1: ;Lm
q2=atan2((i04-i02),(i01-i03)); M{jJ>S{g
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 Vo;0i$
%%%-------------------------------------%% Pr_DMu
temp=ones(size(q2)); rU
|%
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--------------- <'N~|B/yZ
figure,mesh(q21); Y '+mC
% q21=my_unwrap(q2); =&" a:l
b=2*pi*f0*x+2*pi*z; 7$JOIsM
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); .O&[9`"'
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); 3(,c^F
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- A
D%9;KQ8
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 _oE 7<
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); F|&%Z(@a
i2=0.5-0.5*sowx+noise.*rand(size(z)); GD1L6kVd1
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 (XNd]G
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); B.4Or]
i3=0.5-0.5*cowx+noise.*rand(size(z)); o&)v{q
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 N5b^
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); #OwxxUeZ
i4=0.5+0.5*sowx+noise.*rand(size(z)); &e3pmHp'
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ^8=e8O
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); @;X#/dZe
%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))); 0C4Os p
q1=atan2((i4-i2),(i1-i3)); i.0d>G><@
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 :0kKw=p1R
%RIlu[J
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$0*5n>)
% q11=my_unwrap(q1); (7C$'T-ZK
figure,mesh(q11); |)OC1=As
%%%------------------------------------%% $wcTUl
% qq=q11-q21; b=qq./(2*pi); #G\Ae:O
% wu=qq./(2*pi)-z; (\%J0kR3[
b=(q11-q21)./(2*pi);
Q">wl
wu=(q11-q21)./(2*pi)-z; e8&7W3 m
%err2=max(max(wu)) E
<N%
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- Xb@dQRVX
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---%% EY@KWs3"H
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 W/.n
R[!
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差