Table 3: Tracking average error. The numbers denote average errors of center location in pixels.

SequencesSuperpixel trackingBPFOur algorithm

(1) Three pedestrians in the hall11, 17, 136, 19, 186, 6, 4
(2) Five pedestrians in the corridor51, 15, 23, 5, 1448, 7, 6, 3, 88, 6, 10, 4, 3
(3) Sparse crowd9, 34, 67, 11, 4, 635, 31, 102, 3, 4, 34, 3, 5, 3, 6, 6
(4) Two pedestrians in the square17, 387, 236, 9