\R_C&=
close all;clear all;clc 1Pu~X
\sO
N=512;x=1:N; ;A*]l'[-
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; a1lh-2xX
z=zeros(N); d$!RZHo10V
for i=1:N NXrlk
for j=1:N ^09,"<@k
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) Y$_B1_
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 )Aqtew+A&
end DvvK^+-~
end 8l`*]1.W<
end :$c
|
z=0.02*z; qX{+oy5
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示,三维 Dp9+HA9t
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% g($2Dk_F2
a=2*pi*x*f0; kxv1Hn"`{E
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); ?UoBV$
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); b\2
ds,
noise=0; .Q2V}D85
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 'H;*W |:-]
i02=0.5-0.5*sowx+noise.*rand(size(z)); ?=Kduef
i03=0.5-0.5*cowx+noise.*rand(size(z)); =Xr.'(U
i04=0.5+0.5*sowx+noise.*rand(size(z)); NgPk&niM
figure,imshow(i01);%%%光栅条纹的图像 ?Ir:g=RP*
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); InI$:kJ
figure,imshow(i02);%%%光栅条纹的图像 \9T7A&
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); 7%M_'P4 V
figure,imshow(i03);%%%光栅条纹的图像 8":Q)9;%
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); mC#>33{
figure,imshow(i04);%%%光栅条纹的图像 ;2QP7PrSY
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); 3JR+O<3D
% 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))); +NUG
q2=atan2((i04-i02),(i01-i03)); @r1_U,0e
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 ?:0Jav
%%%-------------------------------------%% ef4 i:.
temp=ones(size(q2)); Z%UP6%
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--------------- dR]m8mdqc1
figure,mesh(q21); v]UwJz3<
% q21=my_unwrap(q2); Q~9^{sHZjP
b=2*pi*f0*x+2*pi*z; ]`WJOx4
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); $F.a><1rY
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); ;O,jUiQ
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- } Q+|W=2t
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 @H8EWTZ
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); v3>UV8c'
i2=0.5-0.5*sowx+noise.*rand(size(z)); ns4,@C$
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 f|gg
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); 8z\xrY
i3=0.5-0.5*cowx+noise.*rand(size(z)); E]r?{t`]
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 BiBOr}ZQ
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); B9S@(/"7
i4=0.5+0.5*sowx+noise.*rand(size(z)); ^iYj[~
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 R4d=S4i
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); rytyw77t(
%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))); MolgwVd
q1=atan2((i4-i2),(i1-i3)); `Pnoxm'
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 tZo} ;|~'
fc>L K7M
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------------------%% G3v5KmT
% q11=my_unwrap(q1); 2
yz _
figure,mesh(q11); [2cD:JL
%%%------------------------------------%% mX|ojZ
% qq=q11-q21; b=qq./(2*pi); Flb&B1
% wu=qq./(2*pi)-z; aw> #P
b=(q11-q21)./(2*pi); /Z4et'Lo
wu=(q11-q21)./(2*pi)-z; gBD]}vo-
%err2=max(max(wu)) c:.eGH_f
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位,应该为一斜面--------------- *Pg2c(Vg
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---%% =2x^nW
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 oP.7/*p
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差