$>=Nb~t!/
close all;clear all;clc ^P/D8cXa4
N=512;x=1:N; nq f<NH3i
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; eC?/l*gF3
z=zeros(N); 1gm/{w6O
for i=1:N ,6O9#1A&i
for j=1:N zm+4Rl(
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) Rr 4CcM
z(i,j)=.25*((sqrt(R*R-(i-N/2).*(i-N/2)-(j-N/2).*(j-N/2))-r)); %%%%修改第一个乘号前面的数字 iBQBHF
end \>Rwg=Lh
end 9+I/y,aC
end S}^s5ztm
z=0.02*z; xY0QGQca
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 )O@^H
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% i @9Qb
a=2*pi*x*f0; &8+6!TN7
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ,{?bM
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); Cw[Od"B\?U
noise=0; CY3 \:D0I
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 pq?[ wp"
i02=0.5-0.5*sowx+noise.*rand(size(z)); _8li4;F
i03=0.5-0.5*cowx+noise.*rand(size(z)); LnTe_Q7_
i04=0.5+0.5*sowx+noise.*rand(size(z)); cm@ oun
figure,imshow(i01);%%%光栅条纹的图像 d50IAa^p6J
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); 2${,%8"0s
figure,imshow(i02);%%%光栅条纹的图像 5Vnr"d
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); +<\cd9
figure,imshow(i03);%%%光栅条纹的图像 .;Utkf'I
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); o\ow{gh9
figure,imshow(i04);%%%光栅条纹的图像 $qtU
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); uP{+?#a_-\
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); 3cfZ!E~^kc
q2=atan2((i04-i02),(i01-i03)); _`@Xy!Ye
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 #~URLN
%%%-------------------------------------%% O&gwr
temp=ones(size(q2)); 2x`xyR_Q.R
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- Wqs.oh
figure,mesh(q21); :qCm71*
% q21=my_unwrap(q2); I0l.KiBm
b=2*pi*f0*x+2*pi*z; DA MpR3
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); _UBJPb@=U
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); /cL9?k;o
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- fteyG$-s
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 9(^X2L&Z
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); D;^ZWz0
i2=0.5-0.5*sowx+noise.*rand(size(z)); ~e`;"n@4
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 oX2DFgz
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); QVSsi
j
i3=0.5-0.5*cowx+noise.*rand(size(z)); >OKS/(I0
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 *]:G7SW{
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); mU?&\w=v$
i4=0.5+0.5*sowx+noise.*rand(size(z)); |P. =
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 LTYuxZ
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); t)oES>W1
%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))); a(x.{}uG,
q1=atan2((i4-i2),(i1-i3)); _yxe2[TD
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 Y1yXB).AH8
@}&,W
N%
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------------------%% M=\d_O#;Z
% q11=my_unwrap(q1); 9!O+Ryy?\
figure,mesh(q11); o}mhy`}
%%%------------------------------------%% UPVO~hB;
% qq=q11-q21; b=qq./(2*pi); kKxL04
% wu=qq./(2*pi)-z; VRd:2uDS
b=(q11-q21)./(2*pi); C NzSBm
wu=(q11-q21)./(2*pi)-z; *%Nns',
%err2=max(max(wu)) c<+g|@A#
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- }P&1s,S8J#
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---%% ,NaV
["9$
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 1%SJ1oY
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差