1z-A3a/-
close all;clear all;clc \P")Eh =d
N=512;x=1:N; f*xr0l
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; L`X5\D'X
z=zeros(N); SOn)'!g
for i=1:N 3u& ,3:
for j=1:N e([>sAx!1
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 9 M%Gnz
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 Pq8oK'z-
end "qd|!:bE
end |cgjn*a?M
end 8A.7q
z=0.02*z; g(;OUkj$Zp
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 ~LZrhwVj$
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% MkL2I+*
a=2*pi*x*f0; MIn_?r
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); mC$y*G
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); b9m`y*My
noise=0; |w54!f6w_
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 cz{`'VN}`
i02=0.5-0.5*sowx+noise.*rand(size(z)); /I!62?)-*
i03=0.5-0.5*cowx+noise.*rand(size(z)); 0 !{X8>x
i04=0.5+0.5*sowx+noise.*rand(size(z)); >}%#s`3W1_
figure,imshow(i01);%%%光栅条纹的图像 MP)Prl>
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); Qrg- xu=
figure,imshow(i02);%%%光栅条纹的图像 -Dx3*Zh P
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); X:$vP'B>
figure,imshow(i03);%%%光栅条纹的图像 }7(+#ISK6
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); !'p<Kh[i
figure,imshow(i04);%%%光栅条纹的图像 *DC/O(
0
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); .P aDR |!
% 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))); 6p*X8j3pW
q2=atan2((i04-i02),(i01-i03)); _:=\h5}8
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 ,]7ouH$H}
%%%-------------------------------------%% `Wg"m~l$N
temp=ones(size(q2)); 'jfE?ngt
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--------------- GIH{tr1:<
figure,mesh(q21); +pwTM]bV
% q21=my_unwrap(q2); tWTHyL
b=2*pi*f0*x+2*pi*z; $rmxwxz&W:
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); WA~[)S0
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); ye9GBAj
/
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- }P0bNY5?%
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 Z@Zg3AVU
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); [`b,SX
x
i2=0.5-0.5*sowx+noise.*rand(size(z)); <)wLxWalF
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 `G1"&q,i
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); vJ}WNvncVF
i3=0.5-0.5*cowx+noise.*rand(size(z)); RQ=$,
i`
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 Nh }-6|M
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); BqX"La,
i4=0.5+0.5*sowx+noise.*rand(size(z)); os"R'GYmf
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 $q:l \
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); hmo4H3g!N
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); L?+N:G
q1=atan2((i4-i2),(i1-i3)); :?\29j#*V
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 ?D _4KFr
h~\k;ca
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% 4X]/8%]V
% q11=my_unwrap(q1); Lw,}wM5X
figure,mesh(q11); m(U.BXo
%%%------------------------------------%% SNOc1c<~
% qq=q11-q21; b=qq./(2*pi); H\oxj,+N
% wu=qq./(2*pi)-z; ,HTwEq>-G
b=(q11-q21)./(2*pi); }6\,kFc
wu=(q11-q21)./(2*pi)-z; F_'{:v1GW
%err2=max(max(wu)) x5uz$g
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- #%k_V+o3
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---%% 2=fM\G
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 DdI%TU K,
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差