NF/Ti5y
close all;clear all;clc QtnM(m
N=512;x=1:N; hC|5e|S
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; 8|5Gv
z=zeros(N); {1Ju}=69
for i=1:N FDVI>HK @
for j=1:N \ W
'i0+
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) *>aZc::
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 #h gmUa
end 8O8\q
;US
end {=bg5I0|a
end Q{AZ'XV
z=0.02*z; Y]~ HAv '
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 "Ju/[#VCJ
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% vo(g0Au)
a=2*pi*x*f0; @V* ju
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); lL(p]!K'
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); I|g@W_
noise=0; !,? <zg
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 Uz6{>OCvk|
i02=0.5-0.5*sowx+noise.*rand(size(z)); p}YI#f
in/
i03=0.5-0.5*cowx+noise.*rand(size(z)); x|@1wQ"6
i04=0.5+0.5*sowx+noise.*rand(size(z)); >JKnGeF
figure,imshow(i01);%%%光栅条纹的图像 "x#]i aDjf
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); t7um
[
figure,imshow(i02);%%%光栅条纹的图像 aF&r/j+}o
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); c*x J=Gz6d
figure,imshow(i03);%%%光栅条纹的图像 UF&0&`@
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ku/\16E/k
figure,imshow(i04);%%%光栅条纹的图像 r5MxjuOB1
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); H GO#e
% 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))); Ku<b0<`
q2=atan2((i04-i02),(i01-i03)); (NH8AS<
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 IL~]m?'V(
%%%-------------------------------------%% M82.khm~jM
temp=ones(size(q2)); `z9)YH
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--------------- 42rj6m\
figure,mesh(q21); %`xV'2H
% q21=my_unwrap(q2); /=8O&1=D
b=2*pi*f0*x+2*pi*z; ZYE' C
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); oLgg
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); t8+?U^j
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- W(;x\Nc7
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 .:w#&yM [U
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); oN *SRaAp
i2=0.5-0.5*sowx+noise.*rand(size(z)); <Q2u)m'
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 r5t;'eCea
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); J.1O/Pw!.a
i3=0.5-0.5*cowx+noise.*rand(size(z)); a?5WKO
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 jCU=+b=
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); _Zh2eXWdjM
i4=0.5+0.5*sowx+noise.*rand(size(z)); J'oDOn.M
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 }5Yj
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); *:a'GC%/
%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))); TQ;
Z.)L
q1=atan2((i4-i2),(i1-i3)); Rw{$L~\
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 3(1]FKZtt
I[}75:^Rt
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------------------%% 8]S,u:E:N
% q11=my_unwrap(q1); iJFr4o/R
figure,mesh(q11); 4HM;K_G%{
%%%------------------------------------%% M2}np
% qq=q11-q21; b=qq./(2*pi); j7K5SS_]
% wu=qq./(2*pi)-z; :.Y|I[\E%
b=(q11-q21)./(2*pi); kW#S]fsfU
wu=(q11-q21)./(2*pi)-z; 3)}(M
%err2=max(max(wu)) YPu9Q
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- b)N[[sOt
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---%% %B@!
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 $30oc
Tt{
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差