`jr?I {m;
close all;clear all;clc olL? 6)gC
N=512;x=1:N; `$6~QLUf
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; j`$$BVZ
z=zeros(N); .oLV\'HAR
for i=1:N 0b
n%L~KU
for j=1:N |Ox='.oIb
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) 4 83rU
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 /K1cP>oE
end QX<x2U
end f{[0;qDJ
end &dK!+
z=0.02*z; u-:3C<&>
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 Gky^S#
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% pWv1XTs@t:
a=2*pi*x*f0; %.$7-+:7A
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); 5U+4vV/*
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); ]{\M,txo8
noise=0; ]b sabS?
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 M;OMsRCVO
i02=0.5-0.5*sowx+noise.*rand(size(z)); t#t[cgI
i03=0.5-0.5*cowx+noise.*rand(size(z)); )$df6sq
i04=0.5+0.5*sowx+noise.*rand(size(z)); -MTYtw(
figure,imshow(i01);%%%光栅条纹的图像 1 0c.#9$
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); hh%?E\qM
figure,imshow(i02);%%%光栅条纹的图像 -<5{wQE;|
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); bJD$!*r\%!
figure,imshow(i03);%%%光栅条纹的图像 d(ypFd9z
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); 3/Z>W|w#w
figure,imshow(i04);%%%光栅条纹的图像 w7Y@wa!
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); 8=joVbs
% 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))); !d!u{1Y&
q2=atan2((i04-i02),(i01-i03)); kL0K[O
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 S7PWP<9
%%%-------------------------------------%% 4G&dBH
temp=ones(size(q2)); $8HiX6r
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- %Pt){9b
figure,mesh(q21); nQ_{IO8/6W
% q21=my_unwrap(q2); P#XV_2
b=2*pi*f0*x+2*pi*z; -rm[.
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); c-Yd> 4+1
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); Rq[d\BN0.d
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- uZ-ZZE C
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 {)!>e
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); >X05f#c"v/
i2=0.5-0.5*sowx+noise.*rand(size(z)); zhFm2
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 y*-_
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); L*A-&9.p3
i3=0.5-0.5*cowx+noise.*rand(size(z)); (?zD!%
k
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 @v#P u_
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); H;=Fq+
i4=0.5+0.5*sowx+noise.*rand(size(z)); 8j3Y&m4^
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 9CeR^/i
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); 9_O4yTL
%q1=-atan2((i1*sin(0*pi/4)+i2*sin(2*pi/4)+i3*sin(pi)+i4*sin(6*pi/4)),(i1*cos(0*pi/4)+i2*cos(2*pi/4)+i3*cos(pi)+i4*cos(6*pi/4))); PzNPwd
q1=atan2((i4-i2),(i1-i3)); NE8W--Cg|
figure,mesh(q1);xlabel('x'),ylabel('y'),zlabel('z') %-----------q1为通过公式计算出的携带物体信息的相位,被截断在幅角主值范围内 %>i:C-l8
g""GQeR
q11=LingXingUnwrap2(q1,temp,100,100);%%%------携带物体信息的连续相位分布,此图像应为斜面上有高度起伏的现象的一幅图------------------%% B#SVN Lv
% q11=my_unwrap(q1); ';/J-l/SE
figure,mesh(q11); fZ7AGP
%%%------------------------------------%% 9N}\>L)_
% qq=q11-q21; b=qq./(2*pi); g]2L[4
% wu=qq./(2*pi)-z; z"UC$
b=(q11-q21)./(2*pi); U{hu7
wu=(q11-q21)./(2*pi)-z; %60 OS3
%err2=max(max(wu)) <L#d<lx
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- 0x!&>
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---%% x}?<9(nE c
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 3+>n!8x ;A
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差