SzMh}xDh2
close all;clear all;clc 5a&[NN
N=512;x=1:N; Gmf.lHr$%
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; &Dgho
z=zeros(N); "n=`{~F
for i=1:N p3 qlVE
for j=1:N ,0[bzk
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) .TSj8,
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 AM#VRRTU
end YO|Kc
{j2e
end D
N GNc
end nxA Y]Q
z=0.02*z; b,cA mZ
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 t:9}~%~
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% Eo!1
WRruF
a=2*pi*x*f0; x~?,Wv|cm
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); |[)t4A"}
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); m>yk4@a
noise=0; `_N8AA
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 E;fYL]j/oZ
i02=0.5-0.5*sowx+noise.*rand(size(z)); b54<1\&
i03=0.5-0.5*cowx+noise.*rand(size(z)); |K YON Q
i04=0.5+0.5*sowx+noise.*rand(size(z)); snK$? 9vh
figure,imshow(i01);%%%光栅条纹的图像 &jT>)MXPu
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); R#"kh/M
figure,imshow(i02);%%%光栅条纹的图像 TxoMCN?7c
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); >2_BL5<S
figure,imshow(i03);%%%光栅条纹的图像 ]8NNxaE3 (
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); &.y:QVR,!
figure,imshow(i04);%%%光栅条纹的图像 5? &k? v@
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); ;e_dk4_
% 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))); Xp[[ xV|
q2=atan2((i04-i02),(i01-i03)); /JaH
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 tx;MH5s/V
%%%-------------------------------------%% Cg?D<l4
temp=ones(size(q2)); |"8Az0[!
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--------------- sU^2I v\%
figure,mesh(q21); vvU;55-
% q21=my_unwrap(q2); bae .?+0[
b=2*pi*f0*x+2*pi*z; #UG| \}Lp
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); /pan{.< k
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); b8P/9D7K?
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- zW,m3~XX:
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 v`A^6)U#M
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); W$O^IC
i2=0.5-0.5*sowx+noise.*rand(size(z)); PspH[db
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 Qw!cd-zc
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); ^>gRK*,
i3=0.5-0.5*cowx+noise.*rand(size(z)); p+SFeUp
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 nyWA(%N1
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); %6j|/|#]
i4=0.5+0.5*sowx+noise.*rand(size(z)); odMjxWY
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ?7 e|gpQ|
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); B q+RFo
%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))); i[`nu#n/
q1=atan2((i4-i2),(i1-i3)); 7(rTGd0
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 [yM{A<\L
$v#Q'?jE
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------------------%% O&.^67\|
% q11=my_unwrap(q1); [X ]\^
figure,mesh(q11); 2+M(!FHfy
%%%------------------------------------%% O@{ JB
% qq=q11-q21; b=qq./(2*pi); >d!w&0z>
% wu=qq./(2*pi)-z; i;;CU9`E2q
b=(q11-q21)./(2*pi); =K I4
wu=(q11-q21)./(2*pi)-z; }00mJ]H(
%err2=max(max(wu)) $)\%i =
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- fQi7e5
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---%% j*t>CB4
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 bAms-cXm
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差