f|FS%]fCxk
close all;clear all;clc tVEe) QX
N=512;x=1:N; [Hx(a.,d
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; o+'|j#P
z=zeros(N); wlJi_)!
for i=1:N ds9 'k.
for j=1:N rR-[CT
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 7I
X Wv-
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 {tUe(
end l d@+p
end K E~Q88s
end ={sjoMW
z=0.02*z; "!V`_ S;
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 r)pt(*KHo
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% jts0ZFHc-
a=2*pi*x*f0; gVfFEF.
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); EXCE^Vw
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); A- T-4I
noise=0; N68$b#9Ry
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图，以下分别为相移后的条纹图，4步相移，共4帧 f7~dn#<@
i02=0.5-0.5*sowx+noise.*rand(size(z)); AX 8~w(sv
i03=0.5-0.5*cowx+noise.*rand(size(z)); <&l$xn
i04=0.5+0.5*sowx+noise.*rand(size(z)); aC\f;&P >
figure,imshow(i01);%%%光栅条纹的图像 @6>Q&G Yqt
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); ['=O>YY
figure,imshow(i02);%%%光栅条纹的图像 Zek@xr;]
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); /)sP, 2/
figure,imshow(i03);%%%光栅条纹的图像 *v+ l,z4n
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); gHBv Q1g
figure,imshow(i04);%%%光栅条纹的图像 vS>'LX
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); cZ Ncplt8
% 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))); cQ j`W
*
q2=atan2((i04-i02),(i01-i03)); | 6JKB'
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 a31e.3 6g
%%%-------------------------------------%% I.jqC2G
temp=ones(size(q2)); ?f"5yQ-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--------------- C! *!n^qA
figure,mesh(q21); v"o"W[
% q21=my_unwrap(q2); E{u6< B*
b=2*pi*f0*x+2*pi*z; ~ {/M_
=
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); wS*r<z j
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); ~~OFymQ%?q
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- q5SPyfE[
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 4@
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); '6dVe 2V
i2=0.5-0.5*sowx+noise.*rand(size(z)); 1RYrUg"s"
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 @./h$]6
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); "=Br&FN{|
i3=0.5-0.5*cowx+noise.*rand(size(z)); qg
o B}n%
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 ~V8z%s@
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); 1y'Y+1.<
i4=0.5+0.5*sowx+noise.*rand(size(z)); -+rzc&h
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 n^4R]9U
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); (?r,pAc:
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); Qu 61$!
q1=atan2((i4-i2),(i1-i3)); LgNIb
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 & >-j4,M
gm-[x5O"
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------------------%% '[{<a Eo
% q11=my_unwrap(q1); N; g@ly o
figure,mesh(q11); F}nwTras
%%%------------------------------------%% W "'6 M=*
% qq=q11-q21; b=qq./(2*pi); @Dh2@2`>
% wu=qq./(2*pi)-z; !{lH*
b=(q11-q21)./(2*pi); vV}w>Ap[
wu=(q11-q21)./(2*pi)-z; 8F}drK9>F
%err2=max(max(wu)) T$%|=gq
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- 0kkDlWkzo
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---%% S\A/*!%~y
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 YEx gUE|
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
