oH?:(S(
close all;clear all;clc -3v\ c~
N=512;x=1:N; v<g=uEpN
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; 6Aq]I$
z=zeros(N); D&2NO /
R
for i=1:N * jWh4F,
for j=1:N
KN`k+!@/7
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) UH}lKc=t
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 3*2~#dh=
end +$ nNYD
end rTR"\u7&H
end 8h@ L_*Kr
z=0.02*z; } F!Uu
KR
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 {d ;z3AB
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% F0z7".)
a=2*pi*x*f0; [f6BA|
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); d~%7A5
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); rf4f'cUa
noise=0; : i?6#_2IC
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'< % d[
i02=0.5-0.5*sowx+noise.*rand(size(z)); .Y]0gi8z
i03=0.5-0.5*cowx+noise.*rand(size(z)); 1G5A L2
i04=0.5+0.5*sowx+noise.*rand(size(z)); -d#08\
figure,imshow(i01);%%%光栅条纹的图像 La9}JvQoX
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); av|T|J/(
figure,imshow(i02);%%%光栅条纹的图像 D:bmq93PC
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); J8r8#Zz
figure,imshow(i03);%%%光栅条纹的图像 d4 \
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); 4c 8{AZ
figure,imshow(i04);%%%光栅条纹的图像 W}TP(~x'N
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); IauLT;! X
% 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))); k BcTXl
q2=atan2((i04-i02),(i01-i03)); -sKtT 9o
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 oo &|(+"O_
%%%-------------------------------------%% d]O:VghY\
temp=ones(size(q2)); gveJ1P
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--------------- @9_mk @
figure,mesh(q21); (1^;l;7H
% q21=my_unwrap(q2); y,|2hrj/0E
b=2*pi*f0*x+2*pi*z; #2ta8m ),
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); L{&2 P
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); .#SgU<Wq
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- u%:`r*r
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 0m*b9+ q
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); ~ E6e ~
i2=0.5-0.5*sowx+noise.*rand(size(z)); B!x#|vGXL
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 YlbX_h2S"
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); hIV]ZYbH
i3=0.5-0.5*cowx+noise.*rand(size(z)); \zg R]|
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 i5 6Rd b
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); $ MH;v_ 'a
i4=0.5+0.5*sowx+noise.*rand(size(z)); 5Ex[}y9L`
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 u uwJ-
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); \}=T4w-e
%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))); V.*M;T\i
q1=atan2((i4-i2),(i1-i3)); _3 oo%?}
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 =O0A(ca"g
;BH.,{*@B
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------------------%%
2hF^U+I}
% q11=my_unwrap(q1); '= Zm[P,
figure,mesh(q11); Y FJaf"?8g
%%%------------------------------------%% "Ux(nt
% qq=q11-q21; b=qq./(2*pi); !;*flr `/
% wu=qq./(2*pi)-z; 83R s1}*
b=(q11-q21)./(2*pi); H i8V=+
wu=(q11-q21)./(2*pi)-z; B//*hH >F
%err2=max(max(wu)) }M% 3
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- ^0| :
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---%% G-9i
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 M K W ~rrR
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
