File list (Check if you may need any files):
PG_SPBOW
........\CalculateDictionary.m
........\CompilePyramid.m
........\data
........\do_assignment.m
........\do_normalize.m
........\EuclideanDistance.m
........\find_sift_grid.m
........\GenerateSiftDescriptors.m
........\images
........\load_image.m
........\main.m
........\make_dir.m
........\make_directory_structure.m
........\normalize_sift.m
........\num2string.m
........\readme.txt
........\images\event_001.jpg
........\......\event_002.jpg
........\......\event_003.jpg
........\......\event_004.jpg
........\......\event_005.jpg
........\......\event_006.jpg
........\......\event_007.jpg
........\......\event_008.jpg
........\......\event_009.jpg
........\......\event_010.jpg
........\......\event_011.jpg