R'80 {
close all;clear all;clc 5N[Y2
N=512;x=1:N; 3g6R<Ez
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; t>b^S,
z=zeros(N); @D7cv"
for i=1:N 4mPg; n
for j=1:N >MhkNy
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) dvxH:,
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 Vj:PNt[
end \[8I5w-
end Z> &PM06
end lca.(3u
z=0.02*z; aH>.o 1;
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 "%Rx;xw|
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% @cXY"hP`
a=2*pi*x*f0; b0&dpMgh:
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); D)!k
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); '~a!~F~>
noise=0; xAoozDj
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 ]#J]f
i02=0.5-0.5*sowx+noise.*rand(size(z)); :`uo]B"
i03=0.5-0.5*cowx+noise.*rand(size(z)); }SOj3.9{c
i04=0.5+0.5*sowx+noise.*rand(size(z)); G[wa,j^hu
figure,imshow(i01);%%%光栅条纹的图像 <vj&e(D^
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); bGSgph
figure,imshow(i02);%%%光栅条纹的图像 PSy=O\
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); [PU.lRq
figure,imshow(i03);%%%光栅条纹的图像 3*'!,gK~[
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); I)sCWC:Mq~
figure,imshow(i04);%%%光栅条纹的图像 Oi{jzP
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); )qxL@w.
% 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))); gmM79^CEF
q2=atan2((i04-i02),(i01-i03)); T[7-3[w<)
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 7sFjO/a*
%%%-------------------------------------%% ukPV nk
temp=ones(size(q2)); 9EH%[wfv
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--------------- S]9xqiJW
figure,mesh(q21); $QY(7Z"
% q21=my_unwrap(q2); apYf,"|9
b=2*pi*f0*x+2*pi*z; LS \4y&J40
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); ?Jx8z`(
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); |fa3;8!96
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- 3)`}#` T
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 &K\di*kN
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); SIg=_oa
i2=0.5-0.5*sowx+noise.*rand(size(z)); L1 J"_.=P
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 Sx pl%
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); %f^TZ,q$
i3=0.5-0.5*cowx+noise.*rand(size(z)); 3<'n>'
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 N2~Nc"L
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); "q%Q[^b
i4=0.5+0.5*sowx+noise.*rand(size(z)); >uI|S
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 <vPIC G)
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); Ddu$49{S:
%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))); /*8"S mte
q1=atan2((i4-i2),(i1-i3)); |D<~a(0
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 ]pFYAe ?
\BS^="AcpP
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------------------%% qUVV374N
% q11=my_unwrap(q1); d_OHQpfK
figure,mesh(q11); hd '!f
%%%------------------------------------%% ;[*7UE+#7
% qq=q11-q21; b=qq./(2*pi); +p_SKk!%+
% wu=qq./(2*pi)-z; -\r*D#aHBN
b=(q11-q21)./(2*pi); Dzp9BRS
2f
wu=(q11-q21)./(2*pi)-z; J%%nv5y
%err2=max(max(wu)) 44cyD _(
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- !,I}2,1%k
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---%% =>ignoeI
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 *}LYMrP
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差