In the following table you can read at which frame number a tracker failed. nnbmic= thick blue line bmic= thin red line esm= green line normal light diffuse light nnbmic bmic esm nnbmic bmic esm very slow 1040 X X 1431 1377 X slow 1272 X X X X X medium X X X 1058 X X fast X X X 802 770 920 very fast 809 805 806 854 751 858 increasing 875 953 960 970 1018 1029