`D~oY=
close all;clear all;clc B #%QY\<X
N=512;x=1:N;
S
W%>8
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; D5P-$1KPt
z=zeros(N); h$!YKfhq}
for i=1:N mnK<5KLg1
for j=1:N )LFbz#;Y
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) |f fHOef
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 A&t8C8,
end Za|iU`e\
end M1-tRF
end DPxx9lN_rx
z=0.02*z; 5.{=Op!
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 XKky-LeJ
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% }'eef"DJ9
a=2*pi*x*f0; e&VC}%m
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); $`3yImv+w
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); O|8@cO
noise=0; }vZf&ib-
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 -^m?%_<50l
i02=0.5-0.5*sowx+noise.*rand(size(z)); HZRFE[ 9nb
i03=0.5-0.5*cowx+noise.*rand(size(z)); )Su>8f[?e
i04=0.5+0.5*sowx+noise.*rand(size(z)); )y*&&q
figure,imshow(i01);%%%光栅条纹的图像 ZL<X*l2
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); ,FzkGB#
figure,imshow(i02);%%%光栅条纹的图像 yO)xN=o^\
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); c8X;4
My
figure,imshow(i03);%%%光栅条纹的图像 w gS'/
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); gPk,nB
figure,imshow(i04);%%%光栅条纹的图像 % akW43cE
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); _F6<ba}o3
% 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))); T"vf
q2=atan2((i04-i02),(i01-i03)); U,i_}O3Q
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 #17 &rizl
%%%-------------------------------------%% #wIWh^^ Zy
temp=ones(size(q2)); LP#wE~K"b
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--------------- I~n4}}9M
figure,mesh(q21); z)C/U
% q21=my_unwrap(q2); i&>^"_4rc
b=2*pi*f0*x+2*pi*z; G]rY1f0
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); pV ^+X}
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); vK)'3%
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- M@{?#MkS%
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 1(BLdP3&
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); >JE+j=
i2=0.5-0.5*sowx+noise.*rand(size(z)); GbQi3%
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 L'{W|Xb+
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); qK.(wFx
i3=0.5-0.5*cowx+noise.*rand(size(z)); rt*x[5<
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 0(-4"u>?
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); .?6p~
i4=0.5+0.5*sowx+noise.*rand(size(z)); [oU\l+t
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 &B(z**+9
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); JGHj(0j
%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))); gd0)s1{9
q1=atan2((i4-i2),(i1-i3)); {OPEW`F
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 ' J@J$#6
5]Rbzg2t
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------------------%% p}!i_P
% q11=my_unwrap(q1); /lC# !$9vz
figure,mesh(q11); *zPqXtw!j
%%%------------------------------------%% Zu|NF
uFI
% qq=q11-q21; b=qq./(2*pi); Hdew5Xn(:
% wu=qq./(2*pi)-z; %evb.h)
b=(q11-q21)./(2*pi); D{B?2}X
wu=(q11-q21)./(2*pi)-z; *`+zf7-f
%err2=max(max(wu)) G"FO%3&|
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- %9>w|%+;U+
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---%% ,A` |jF
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 95'+8*YCY
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差