A Boosting-Based Deep Distance Metric Learning Method

Table 2

Recall@K (%) on Cars-196.

	Cars-196
R@	1	2	4	8	16	32
Contrastive [2]	21.7	32.3	46.1	58.9	72.2	83.4
Triplet [2]	39.1	50.4	63.3	74.5	84.1	89.8
LiftedStruct [2]	49.0	60.3	72.1	81.5	89.2	92.8
N-Pairs [11]	71.1	79.7	86.5	91.6	—	—
Angular loss [12]	71.4	81.4	87.5	92.1	—	—
HDC [28]	73.7	83.2	89.5	93.8	96.7	98.4
HTL [16]	81.4	88.0	92.7	95.7	97.4	99.0
ABE [9]	85.2	90.5	94.0	96.1	—	—
DREML [10]	86.0	91.7	95.0	97.2	—	—
MS [13]	84.1	90.4	94.0	96.5	98.0	98.9
SoftTriple [29]	84.5	90.7	94.5	96.9	—	—
Ours	88.8	94.2	96.9	98.4	99.1	99.6