9MYk5q.X:
close all;clear all;clc 6e B;
N=512;x=1:N; `X}:(O ^GO
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; +7^p d9F.
z=zeros(N); *L$2M?xkY
for i=1:N [YfoQ1
for j=1:N *q *3SP/
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 12KC4,C&1i
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 m|;(0
r ft
end (
%\7dxiK
end `x#Ud)g
end A913*O: \
z=0.02*z; ^,acU\}VqP
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 ~0a5
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% ]:59c{O
a=2*pi*x*f0; _!R$a -
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); _XV%}Xb'
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); X,7y| tb
noise=0; xi =ApwNj
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 kg [ %Q]]
i02=0.5-0.5*sowx+noise.*rand(size(z)); 6'r8.~O
i03=0.5-0.5*cowx+noise.*rand(size(z)); $/++afi m
i04=0.5+0.5*sowx+noise.*rand(size(z)); DAB 9-[y+
figure,imshow(i01);%%%光栅条纹的图像 'J|)4OG:
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); QEhn
figure,imshow(i02);%%%光栅条纹的图像 :TH cI;PG8
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); W]9*dabem
figure,imshow(i03);%%%光栅条纹的图像 a>'ez0C
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ?m
|}}a
figure,imshow(i04);%%%光栅条纹的图像 '4[=*!hs!
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); l@4_D;b3o"
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); Xv8-<Ks
q2=atan2((i04-i02),(i01-i03)); q8v[u_(yD
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位，被截断在幅角主值范围内 _h~ksNm5u
%%%-------------------------------------%% =|S%Rzsk
temp=ones(size(q2)); :8A+ 2ra&
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开，成为展开的相位，应该为一斜面--------------- <W80A J
figure,mesh(q21); `Vb
% q21=my_unwrap(q2); ` p\=NP!n
b=2*pi*f0*x+2*pi*z; c=oDzAzuV\
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); /\ I6j;$z
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); (^d7K:-'
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- Tlsh[@Q
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 1F^Q* t{
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); z8Q!~NN-K
i2=0.5-0.5*sowx+noise.*rand(size(z)); Km`
SR^&\
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 ~~tTr $
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); Ts 5)r(
i3=0.5-0.5*cowx+noise.*rand(size(z)); 21uK&nVf^l
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 :v&[ !
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); 94u{k 1d x
i4=0.5+0.5*sowx+noise.*rand(size(z)); zX>W 8P
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 { mi}3/
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); n~N>;m P
%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))); 9DxHdpOk
q1=atan2((i4-i2),(i1-i3)); 2/ LSB8n|
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 yB b%#GW
=3e7n2N)
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------------------%% =q4} (
% q11=my_unwrap(q1); Ot t6y
figure,mesh(q11); T*z]<0E]
%%%------------------------------------%% %tCv-aX4
% qq=q11-q21; b=qq./(2*pi); Bt+^H6cb
% wu=qq./(2*pi)-z; xY^sC56Z
b=(q11-q21)./(2*pi); _4ag-'5
wu=(q11-q21)./(2*pi)-z; ;H_/o+
%err2=max(max(wu)) ZZw`8 E
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- e~o!Qm
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---%% y+k_&ss
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 w?Te%/s.
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
