<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[wizardcsy的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wizardcsy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wizardcsy]]></copyright><item><title><![CDATA[局部特征描述]]></title><link>https://blog.youkuaiyun.com/wizardcsy/article/details/16989231</link><guid>https://blog.youkuaiyun.com/wizardcsy/article/details/16989231</guid><author>wizardcsy</author><pubDate>Wed, 27 Nov 2013 17:39:07 +0800</pubDate><description><![CDATA[转自 http://blog.sina.com.cn/s/blog_3ec43aef0100l13g.html
1.局部算子分类： 
1）基于分布的算子：使用直方图表现不同的外观或形状特
2）空间频率技术：傅立叶变换和盖伯变换
3）微分算子：

2.局部特征建立依赖的空间
1）归一化的Laplacian尺度空间
2)  Difference
 of Gaussian

3. ]]></description><category></category></item></channel></rss>