Category "flann"

General question about nearest neighbor data structures

I want to improve the speed of my feature matching algorithm. The matching is based on comparing feature A with circularly shifted feature B. The shifting is pe

Custom distance with FLANN in OpenCV

Is there a way to define our own distance for FLANN tool in OpenCV. This question has been asked here but remains not answered for more than 6 years.

Saving and loading image descriptors

I've using ORB/FLANN to compare images and want to save / load image descriptors that come out of FLANN to a file so I can read them in later to compare with an