jI#z/a!j:
close all;clear all;clc <t6 d)mJ %
N=512;x=1:N; ew"m!F#
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; YnxU(v'\
z=zeros(N); ork|yj/A
for i=1:N x=3I)}J(kn
for j=1:N 0HPO" x3-O
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) gCwt0 )
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 rHo6iJj
end F25<+ 1kr
end 3qcpf:
end oF&IC
j0
z=0.02*z; hE5G!@1F
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 q5gP~*?
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% lDU#7\5.
a=2*pi*x*f0; c V(H<"I
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); > ;.*
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); 2 _Jb9:/X
noise=0; /p [y1
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
jrdtd6b}
i02=0.5-0.5*sowx+noise.*rand(size(z)); z{V8@q/
i03=0.5-0.5*cowx+noise.*rand(size(z)); ,|QU] E
@
i04=0.5+0.5*sowx+noise.*rand(size(z)); [R$liN99z;
figure,imshow(i01);%%%光栅条纹的图像 .)nCOwR6p
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); a5I%RY
figure,imshow(i02);%%%光栅条纹的图像 lzI/\%
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); ^B6`e^ <
figure,imshow(i03);%%%光栅条纹的图像 wJr/FE 7c
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); -s D:+Te
figure,imshow(i04);%%%光栅条纹的图像 rX)o3>q^?
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); (aBP|rxg
% 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))); }(rzH}X@
q2=atan2((i04-i02),(i01-i03)); {!tOI
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 ]N_140N~
%%%-------------------------------------%%
z8tt+AU
temp=ones(size(q2)); t3M0L a&
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--------------- ^zkd{ov
figure,mesh(q21); TR_(_Yd?36
% q21=my_unwrap(q2); ] : Wb1
b=2*pi*f0*x+2*pi*z; `ITDTZ
J
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); I>8 Bc
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); p\)h",RkA
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- q2D`1nT
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 [ y$j9
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); Zm5nLxM
i2=0.5-0.5*sowx+noise.*rand(size(z)); UFJEs[?+Te
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 g')?J<z
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); G+;g:_E=
i3=0.5-0.5*cowx+noise.*rand(size(z)); :nTkg[49pJ
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 t>=GVu^
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); o^N%;d1%E
i4=0.5+0.5*sowx+noise.*rand(size(z)); /}[zA@
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 .Pqj6Ko9
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); ;9
R40qi
%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))); UYl JO{|a
q1=atan2((i4-i2),(i1-i3)); _6|
/P7"
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 9 eksCxFg
:s ? y,
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------------------%% L'zdsa}Et
% q11=my_unwrap(q1); `z5v}T
figure,mesh(q11); X/K| WOO6
%%%------------------------------------%% &Qz"nCvJ
% qq=q11-q21; b=qq./(2*pi); F&-5&'6G+
% wu=qq./(2*pi)-z; 06Sqn3MB
b=(q11-q21)./(2*pi); >f3k3XWRT
wu=(q11-q21)./(2*pi)-z; }P7xdQ6
%err2=max(max(wu)) =#J 9
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- %Td+J`|U+
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---%% us(sZG
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 #IcT
@(
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
