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%???Harris角點提取算法??????????????????????????????????????????%
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clear;

ori_im?=?imread（‘Demo4.bmp‘）;?????%?讀取圖像

%?fx?=?[5?0?-5;8?0?-8;5?0?-5];??????????%?高斯函數(shù)一階微分，x方向（用于改進(jìn)的Harris角點提取算法）
fx?=?[-2?-1?0?1?2];?????????????????%?x方向梯度算子（用于Harris角點提取算法）
Ix?=?filter2（fxori_im）;??????????????%?x方向濾波
%?fy?=?[5?8?5;0?0?0;-5?-8?-5];??????????%?高斯函數(shù)一階微分，y方向（用于改進(jìn)的Harris角點提取算法）
fy?=?[-2;-1;0;1;2];?????????????????%?y方向梯度算子（用于Harris角點提取算法）
Iy?=?filter2（fyori_im）;??????????????%?y方向濾波
Ix2?=?Ix.^2;
Iy2?=?Iy.^2;
Ixy?=?Ix.*Iy;
clear?Ix;
clear?Iy;

h=?fspecial（‘gaussian‘[7?7]2）;??????%?產(chǎn)生7*7的高斯窗函數(shù)，sigma=2

Ix2?=?filter2（hIx2）;

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

?????文件???????3976??2011-07-21?22:18??harris1.m

?????文件???????2004??2011-07-21?21:17??harris2.m

-----------?---------??----------?-----??----

?????????????????5980????????????????????2