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close all;clear all;clc ?{{w[U6NE
N=512;x=1:N; X
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y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; !~@GIr
z=zeros(N); Ey46JO"
for i=1:N d8j1L/e
for j=1:N _kj]vbG^;
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) >H2`4]4]
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 T~TP
end 3$$E0`7.
end 1o_kY"D<
end 1 DWoL}Z
z=0.02*z; > VG
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 ':'g!b`/
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% tli.g
a=2*pi*x*f0; bLgH3[{
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); rz?Cn
X.t
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); kI\m0];KnQ
noise=0; J3K=z
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 hvd}l8
i02=0.5-0.5*sowx+noise.*rand(size(z)); S&op|Z)1
i03=0.5-0.5*cowx+noise.*rand(size(z)); l\HdB"nT
i04=0.5+0.5*sowx+noise.*rand(size(z)); _"DS?`z6
figure,imshow(i01);%%%光栅条纹的图像 K"}fD;3
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); OZ,kz2SF#
figure,imshow(i02);%%%光栅条纹的图像 o\AnM5
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 7io["zW
figure,imshow(i03);%%%光栅条纹的图像 Ac7^JXh%
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); ]rmBM
figure,imshow(i04);%%%光栅条纹的图像 1gEH~Jmj
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); d"$8-_K
% 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))); )xGAe#E~j
q2=atan2((i04-i02),(i01-i03)); (
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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 )s2] -n}W
%%%-------------------------------------%% ^E
!v D
temp=ones(size(q2)); `+JFvn!
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--------------- 6K $mW
figure,mesh(q21); X'9.fKp
% q21=my_unwrap(q2); I$Nh|eM
b=2*pi*f0*x+2*pi*z; YeX*IZX8
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); DT1gy:?L
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); "cH RGJG#
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- ?0tg}0|
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 }kbSbRH43
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); D7ex{SVA)
i2=0.5-0.5*sowx+noise.*rand(size(z)); g(DD8;]w<
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 B*7kX&Uq
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); X>%nzY]m
i3=0.5-0.5*cowx+noise.*rand(size(z)); snV*gSUH
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 e5=d
Ev
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); uFd$*`jS
i4=0.5+0.5*sowx+noise.*rand(size(z)); e5h*GKF
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 ]' mbHkn68
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); :NzJvI<
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); s>rR\`
q1=atan2((i4-i2),(i1-i3)); LzygupxY!
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 lG*Rw-?a
L\yVE
J9x
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% `S&a.k
% q11=my_unwrap(q1); l/$GF|`U
figure,mesh(q11); UN I< r
%%%------------------------------------%% *P()&}JK
% qq=q11-q21; b=qq./(2*pi); Er~ 17$b
% wu=qq./(2*pi)-z; d{
(,Gy>I
b=(q11-q21)./(2*pi); Iw1Y?Qia
wu=(q11-q21)./(2*pi)-z; @WJ;T= L
%err2=max(max(wu)) I8F+Z
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- *2X6;~
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---%% TyxIlI4"
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 gmTBT#{6yH
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差