=Je[c,&j$?
close all;clear all;clc s5CXwM6cx
N=512;x=1:N; (7*%K&x
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90;
coW:DFX
z=zeros(N); B8": 2HrW$
for i=1:N A#.edVj.g4
for j=1:N ;j[>9g
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) s/$?^qtyC
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 c0,0`+2~
end T ]t'39
end f .Q\Z'S^
end o /j*d3
z=0.02*z; 63\/ *
NNB
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 &e @2
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% \MyLc/Gh5
a=2*pi*x*f0; J] {QB^?
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); &e E=<x
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); ,:%CB"J
noise=0; ]A~WIF
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 t{ xf:~B
i02=0.5-0.5*sowx+noise.*rand(size(z)); rDm~h~u5
i03=0.5-0.5*cowx+noise.*rand(size(z)); ^E;kgED5
i04=0.5+0.5*sowx+noise.*rand(size(z)); K"|l@Q[
figure,imshow(i01);%%%光栅条纹的图像 ^q{9
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); _zY#U9
figure,imshow(i02);%%%光栅条纹的图像 aI P
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); .~~nUu+M
figure,imshow(i03);%%%光栅条纹的图像 4 ezEW|S
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); %|auAq&w
figure,imshow(i04);%%%光栅条纹的图像 z[b@V
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); Y~c|hfL
% 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))); e>6y%v;
q2=atan2((i04-i02),(i01-i03)); ns9U/:L
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 |XQIfW]A
%%%-------------------------------------%% zd2)M@
temp=ones(size(q2)); arIf'CG6
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--------------- dq(uVW^&ae
figure,mesh(q21); ff]6aR/
UQ
% q21=my_unwrap(q2); BF\XEm?!
b=2*pi*f0*x+2*pi*z; ZInpMp
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); K'L^;z6
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); &5\iM^
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- |,S+@"0#
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 7?#J~.d5
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp');
?9!6%]2D
i2=0.5-0.5*sowx+noise.*rand(size(z)); Nv#t:J9f
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 Z"/p,A9W9|
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); nCUg,;_=
i3=0.5-0.5*cowx+noise.*rand(size(z)); w mn+
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 i+A3~w5c
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); =$u!
59_dE
i4=0.5+0.5*sowx+noise.*rand(size(z)); } df
W%{
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 }q_<_lQ
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); PC~Y8,A|.t
%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))); y&6FybIz
q1=atan2((i4-i2),(i1-i3)); WffQ :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 NSxoF3
ASKf'\,dV
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------------------%% ?:vv50
% q11=my_unwrap(q1); C^O
VB-
figure,mesh(q11); h{CL{>d
%%%------------------------------------%% HHA<IZ#;,
% qq=q11-q21; b=qq./(2*pi); P@Hs`=
% wu=qq./(2*pi)-z; U bXh,QEG*
b=(q11-q21)./(2*pi); dzARI`
wu=(q11-q21)./(2*pi)-z; `tBgH_$M
%err2=max(max(wu)) FEW14U'O
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- o*b] p-
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---%% 1#C4;3i,
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 0]'7_vDs|
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差