clc;
clear;
%?x1=[0???0.5??0.5??
%????-0.5?-0.5??0???
%????1????1?????1??];
%?x2=[?63.43???92.46???91.8????
%??????405.5??407.45??438.65???
%??????1???????1???????1??????????];
x1=[?50????40??50??
???10????10???20???
???1????1?????1??];
x2=[?266.9666??376.7813??226.6607????
?????14.4589???53.9683???122.7107??
?????1???????1???????1??????????];

????Npts?=?length（x1）;
????A?=?zeros（3*Npts9）;
????
????O?=?[0?0?0];
????for?n?=?1:Npts
	X?=?x1（:n）‘;???%定義?
	x?=?x2（1n）;?y?=?x2（2n）;?w?=?x2（3n）;
	A（3*n-2:）?=?[??O??-w*X??y*X];
	A（3*n-1:）?=?[?w*X???O??-x*X];
	A（3*n??:）?=?[-y*X??x*X???O?]
????A
????end
????[UDV]?=?svd（A）;
????U
????D
????V
????
????%?Ax=b??x=A\b;
????%?Extract?homography單應性矩陣
????H1?=?reshape（V（:9）33）‘;
????H=H1/H1（33）
????
????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????265??2004-11-13?13:41??zhang\ax=b.asv

?????文件????????802??2008-07-23?10:18??zhang\axb.asv

?????文件????????802??2010-04-07?20:38??zhang\axb.m

?????文件??????10349??1999-12-24?15:35??zhang\data1.txt

?????文件??????10355??1999-12-24?15:35??zhang\data2.txt

?????文件??????10336??1999-12-24?15:35??zhang\data3.txt

?????文件??????10369??1999-12-24?15:36??zhang\data4.txt

?????文件??????10343??1999-12-24?15:36??zhang\data5.txt

?????文件???????3813??2006-03-05?01:23??zhang\homography2d1.asv

?????文件???????3806??2010-04-07?20:39??zhang\homography2d1.m

?????文件???????3806??2010-04-07?20:39??zhang\homography2d1.txt

?????文件???????4112??1999-12-24?15:28??zhang\Model.txt

?????文件???????2285??2004-08-05?10:22??zhang\normalise2dpts.m

?????文件???????2285??2010-04-07?20:39??zhang\normalise2dpts.txt

?????文件????????444??2008-07-21?11:12??zhang\Pa1.mat

?????文件????????444??2008-07-21?11:25??zhang\Pc1.mat

?????文件????????444??2008-07-21?11:31??zhang\Pd1.mat

?????文件????????525??2006-03-05?01:24??zhang\read?me.txt

?????文件???????1076??2004-11-13?13:13??zhang\results.txt

?????文件????????223??2004-11-13?13:25??zhang\rotate.m

?????文件????????836??2005-05-22?11:50??zhang\simon_H.m

?????文件???????1759??2005-05-22?11:50??zhang\simon_HHH.m

?????文件???????8861??2008-07-23?11:23??zhang\test.asv

?????文件???????8889??2008-07-27?11:01??zhang\test.m

?????文件???????2466??2004-11-13?13:46??zhang\testhomo.asv

?????文件???????2466??2004-11-13?13:51??zhang\testhomo.m

?????文件????????171??2004-11-13?13:21??zhang\testrotate.asv

?????文件????????222??2004-11-13?13:23??zhang\testrotate.m

?????文件????????114??2008-07-14?10:46??zhang\worldframea.txt

?????文件????????110??2008-07-14?11:37??zhang\worldframec.txt

............此處省略12個文件信息