. Author manuscript; available in PMC: 2018 Aug 1.

Published in final edited form as: IEEE Trans Pattern Anal Mach Intell. 2016 Sep 13;39(8):1617–1632. doi: 10.1109/TPAMI.2016.2608901

TABLE 2.

Performance (mAP) w.r.t. different configurations on the TRECVID MEDTest2014 (100Ex), MEDTest2013 (100Ex) and CCV_sub datasets. Least square loss is used. (Larger mAP is better.)

	$ℓ_{2}^{2}$ regularized							ℓ₁ regularized
	LS_A	LS_M	LS_T	NI-LS₁	NI-LS₁₊	NI-LS₂	NI-LS₂₊	LS_A	LS_M	LS_T	NI-LS₁	NI-LS₁₊	NI-LS₂	NI-LS₂₊
MED14	25.9	23.2	27.3	30.9	28.9	32.9	29.4	25.1	23.6	25.4	27.8	26.2	26.7	24.6
MED13	29.8	28.1	35.6	36.8	35.1	38.3	36.0	30.6	29.5	33.7	34.2	34.1	33.2	30.8
CCV_sub	72.7	70.5	74.1	76.7	73.9	77.3	75.7	71.8	70.3	73.5	73.8	73.3	71.6	74.3