2013-11-06 06:56:01 -0600 | asked a question | Use Euclidean distance in SURF Hi, I may b asking a silly question, but i still need to solve this. In my code im filtering the good images based on the nearest neighbor distance ratio, as follows. Since im filtering the good images based on the nearest neighbor distance ratio, do i need to still do Euclidean distance calculation. and i want to know when i use the |