bDr'W
close all;clear all;clc v!x=fjr<
N=512;x=1:N; r}vrE
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y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; lFB Ka
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z=zeros(N); 0]" j,
for i=1:N ak NJL\b
for j=1:N d>(dSKx
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) XL+kEZ|3
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 &;y(@e}D
end ] $%{nj<
end 0[PP-]JS
end e\P+R>i0
z=0.02*z; cd:O@)i
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 wi9fYfuv3R
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% c*3ilMP\4
a=2*pi*x*f0; N%^mR>.`
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); wo?C7,-x
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 1XSqgr"3
noise=0; R+^/(Ws'<
i01=0.5+0.5*cowx+noise.*rand(size(z));%%%-----------投影的正弦条纹图,以下分别为相移后的条纹图,4步相移,共4帧 @]OI(B
i02=0.5-0.5*sowx+noise.*rand(size(z)); BG'gk#J+f
i03=0.5-0.5*cowx+noise.*rand(size(z)); %2>FSE
i04=0.5+0.5*sowx+noise.*rand(size(z)); l]%|w]i\
figure,imshow(i01);%%%光栅条纹的图像 MY0Wr%@#0
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); MM^tk{2?.
figure,imshow(i02);%%%光栅条纹的图像 YGxdYwBwf
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 1Og9VG1^
figure,imshow(i03);%%%光栅条纹的图像 yqoi2J:
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); {B[i|(xQx
figure,imshow(i04);%%%光栅条纹的图像 /R^!~J50
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); SK-|O9Ki
% q2=-atan2((i01*sin(0*pi/4)+i02*sin(2*pi/4)+i03*sin(4*pi/4)+i04*sin(6*pi/4)),(i01*cos(0*pi/4)+i02*cos(2*pi/4)+i03*cos(4*pi/4)+i04*cos(6*pi/4))); 3 \kT#nr
q2=atan2((i04-i02),(i01-i03)); |R+=Yk&u
figure,mesh(q2);xlabel('x'),ylabel('y'),zlabel('z')%-----------q2为通过公式计算出的相位,被截断在幅角主值范围内 Muarryh}
%%%-------------------------------------%% [V1gj9t=,
temp=ones(size(q2)); wl!'Bck=
q21=LingXingUnwrap2(q2,temp,100,100);%%%--------------------进行相位展开,成为展开的相位,应该为一斜面--------------- M>0~Ek%3
figure,mesh(q21); +|o-lb
% q21=my_unwrap(q2); X.JB&~/rO
b=2*pi*f0*x+2*pi*z; bf}r8$,
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); /0(4wZe~?
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); BL]^+KnP
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- _Jx?m
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 5m_@s?P[
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); 2*Gl|@~N
i2=0.5-0.5*sowx+noise.*rand(size(z)); 'o5[:=K
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 {0e5<"i
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); V @8X.R>
i3=0.5-0.5*cowx+noise.*rand(size(z)); OY?uqP}c
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 CNP?i(Rk
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); SLBKXj|
i4=0.5+0.5*sowx+noise.*rand(size(z)); %S@XY3jZY
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 {5*+
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); sX@e1*YE_
%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))); gzw[^d
q1=atan2((i4-i2),(i1-i3)); %3FI>\3
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 B [y1RI|9
+K+
== mO&
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------------------%% ib&
|271gG
% q11=my_unwrap(q1); SqEO
]~
figure,mesh(q11); :?lSa6de
%%%------------------------------------%% `7'(U)x,F
% qq=q11-q21; b=qq./(2*pi); O 89BN6p
% wu=qq./(2*pi)-z; !hJ%{.
b=(q11-q21)./(2*pi); k
9s3@S
wu=(q11-q21)./(2*pi)-z; Xf#uK\f
%err2=max(max(wu)) .%D] z{''
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- sYXVSNonm
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---%% iPE-j#|
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 S$V'_
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差