Bag of Visual Words

Matlab (GUI) implementation for Bag of Visual words.

Matlab (GUI) implementation for Bag of Visual words.

This implementation is based on Matlab functions and Vlfeat lib.
The number of visual words=200, to change it:
from line 87 in bovw_sift.m
from line 76 in bovw_surf.m
Download the VLFeat binary package (version 0.9.20) from the following link:
http://www.vlfeat.org/download.html
Extract vlfeat-0.9.20-bin in the root of the BoVW directory.

Add the following line in vlfeat-0.9.20-bin\vlfeat-0.9.20\toolbox\vl_setup.m:
addpath(fullfile(root,'apps','recognition'));

1- Run BoVW.m
2- Choose the number of classes
3- Browse image folders (folder for each class)
4- Choose descriptor (SIFT or SURF)
5- Train (5-fold validation)
6- Test using new images