描述符最详细概述

 

SIFT：

https://www.cnblogs.com/Alliswell-WP/p/SIFT.html

https://www.cnblogs.com/jiahenhe2/p/7919356.html

 

FAST：

https://www.jianshu.com/p/e9a4d16466a6

 

ORB：

https://www.cnblogs.com/alexme/p/11345701.html