Table 1. Numeric comparison on data set MSRA-1000 (%, N/A represents without center-bias).

	IT [1]	AC [13]	GB [17]	MZ [12]	SR [14]	FT [11]	CA [19]	LC [21]	HC [10]	RC [10]	N/A	Ours
Ps	45.3	53.1	53.1	42.8	39.9	63.2	58.9	51.4	75.4	83.2	75.0	83.6
P	59.2	56.8	58.0	45.6	44.5	69.2	59.6	55.8	74.0	84.6	72.4	82.4
R	23.7	47.1	47.6	43.2	34.1	54.2	55.9	51.2	71.4	58.1	72.6	71.9
F	44.0	54.2	55.2	45.0	41.6	65.1	58.7	54.7	73.4	76.5	72.5	79.7