,AP0*Ln
close all;clear all;clc e$J>z {
N=512;x=1:N; t3@+idE b
y=1:N;[x,y]=meshgrid(x,y);R=240;r=90; J#I RbO)
z=zeros(N); <rBW6o7
for i=1:N Y ;/@[AwF
for j=1:N /'sv7hg+
if(sqrt((i-N/2)^2+(j-N/2)^2)<sqrt(R*R-r*r)) N1$u@P{
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 F \ B/q
end suY47DCX)
end k,:W]KD
end DZSS
z=0.02*z; &DLWlMGq
figure,mesh(z);xlabel('x'),ylabel('y'),zlabel('z') %%%物体的显示，三维 h}
`v0E
f0=0.01;%%%----------------光栅条纹的频率即周期的倒数1/T--------------------------%% Az&>.*
a=2*pi*x*f0; )[ V8YiyU
cowx=(-1).*(-1).^floor(a/pi).*(2*a/pi-(2*floor(a/pi)+1)); KqK]R6>
sowx=(-1).^round(a/pi).*(2*a/pi-2*round(a/pi)); ;P91'B~t
noise=0; V|8'3=Z=
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 P8eCaZg?(3
i02=0.5-0.5*sowx+noise.*rand(size(z)); 6:zPWJB
i03=0.5-0.5*cowx+noise.*rand(size(z)); 3 vY-;&
i04=0.5+0.5*sowx+noise.*rand(size(z)); 24 [KGp
figure,imshow(i01);%%%光栅条纹的图像 w:5? ofC
% axis off;imwrite(i01,'C:\Documents and Settings\Administrator\My Documents\My Pictures\1.bmp','bmp'); ON,[! pc
figure,imshow(i02);%%%光栅条纹的图像 k+J%o%* <
% axis off;imwrite(i02,'C:\Documents and Settings\Administrator\My Documents\My Pictures\2.bmp','bmp'); cnu&!>8V
figure,imshow(i03);%%%光栅条纹的图像 o701RG ~)
% axis off;imwrite(i03,'C:\Documents and Settings\Administrator\My Documents\My Pictures\3.bmp','bmp'); `
,\b_SFg
figure,imshow(i04);%%%光栅条纹的图像 ?2]fE[SqY
% axis off;imwrite(i04,'C:\Documents and Settings\Administrator\My Documents\My Pictures\4.bmp','bmp'); '(.5!7?Qc
% 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))); yaR>?[h
q2=atan2((i04-i02),(i01-i03)); y98FEG #S}
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 |'h ( S|
%%%-------------------------------------%% "^#O7.oVi+
temp=ones(size(q2)); cibl j?"Wi
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---------------
7kLu rv
figure,mesh(q21); , Y:oTo=~
% q21=my_unwrap(q2); sY;h~a0n
b=2*pi*f0*x+2*pi*z;
0t7N yKU
cowx=(-1).*(-1).^floor(b/pi).*(2*b/pi-(2*floor(b/pi)+1)); i!a!qE. 1
sowx=(-1).^round(b/pi).*(2*b/pi-2*round(b/pi)); t]h_w7!U
i1=0.5+0.5*cowx+noise.*rand(size(z));%%%%-------------投影到物体上的变形光栅像----------------------- G"/;Cq=t
figure,imshow(i1)%%%携带物体信息的变形光栅条纹的图像 3Bl|~K;-
% axis off;imwrite(i1,'C:\Documents and Settings\Administrator\My Documents\My Pictures\5.bmp','bmp'); p:~#(/GWf
i2=0.5-0.5*sowx+noise.*rand(size(z)); 74([~Qs _M
figure,imshow(i2)%%%携带物体信息的变形光栅条纹的图像 C~ &E7w
% axis off;imwrite(i2,'C:\Documents and Settings\Administrator\My Documents\My Pictures\6.bmp','bmp'); ~O}r<PQ
i3=0.5-0.5*cowx+noise.*rand(size(z)); hIV9 .{J
figure,imshow(i3)%%%携带物体信息的变形光栅条纹的图像 Ca~8cQ
% axis off;imwrite(i3,'C:\Documents and Settings\Administrator\My Documents\My Pictures\7.bmp','bmp'); ctP+ECH
i4=0.5+0.5*sowx+noise.*rand(size(z)); 'gY?=,dF>
figure,imshow(i4)%%%携带物体信息的变形光栅条纹的图像 2x NR=u`
% axis off;imwrite(i4,'C:\Documents and Settings\Administrator\My Documents\My Pictures\8.bmp','bmp'); Xh8U}w<k6
%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))); > "hP
q1=atan2((i4-i2),(i1-i3)); HxO+JI`'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 %r^tZ ;; l
hkPMu@BI
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------------------%% zK6w0
% q11=my_unwrap(q1); C?H~L
figure,mesh(q11); T\gs
%%%------------------------------------%% .q 2r!B
% qq=q11-q21; b=qq./(2*pi); Vh0cac|X
% wu=qq./(2*pi)-z; >g$iO`2
b=(q11-q21)./(2*pi); OLx;j+p
wu=(q11-q21)./(2*pi)-z; 1K/HVj+'.
%err2=max(max(wu)) f&vMv .
figure,mesh(q21);xlabel('x'),ylabel('y'),zlabel('z')%%%--------------------参考面展开的相位，应该为一斜面--------------- 5Ew( 0K[
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---%% a4s't%
P
figure,mesh(b);xlabel('x'),ylabel('y'),zlabel('z')%%%恢复的物体 M i.#x_
figure,mesh(wu);xlabel('x'),ylabel('y'),zlabel('z')%%%测量误差
