File list (Check if you may need any files):
ls_sparse
.........\images
.........\......\brain.mat
.........\......\truck.mat
.........\ls_sparse.m
.........\ls_sparse3.m
.........\mask2phi.m
.........\paths.m
.........\README.txt
.........\run.m
.........\run3.m
.........\speeds
.........\......\bhattacharyya_speed.m
.........\......\georgiou_speed.m
.........\......\kappa.m
.........\......\kappa3.m
.........\......\mean_speed.m
.........\......\mean_var_speed.m
.........\......\threshold_speed.m
.........\util
.........\....\get_blob_mask.m
.........\....\get_rect_mask.m