This is the training and validation data set for the PASCAL VOC 2009 as available from http://pascallin.ecs.soton.ac.uk/challenges/VOC/voc2009/ , if the site weren't dead.
This code is used in the papers: Cheplygina, V., Tax, D. M., & Loog, M. (2016). Dissimilarity-based ensembles for multiple instance learning. IEEE transactions on neural networks and learning s