Circle-Based Ratio Loss for Person Reidentification

Table 2

The experiment results and comparisons with some state-of-the-art works for CUHK03 labeled version and detected version on mAP and Rank-1.

Methods	Labeled		Detected
	mAP	Rank-1	mAP	Rank-1
IDE [7]	21.0	22.2	19.7	21.3
SVDNet [40]	37.83	40.93	37.3	41.5
DPFL [42]	40.5	43.0	37.0	40.7
HA-CNN [44]	41.0	44.4	38.6	41.7
PAN [47]	35.0	36.9	34.0	36.3
PAN + Re-rank [47]	45.8	43.9	43.8	41.9
MLFN [48]	49.2	54.7	47.8	52.8
PCB [6]	—	—	53.2	59.7
PCB + RPP [6]	—	—	56.7	62.8
Baseline	59.88	61.14	59.02	60.57
Baseline + ratio loss	63.47	64.21	61.30	62.86
Baseline + OHEM	63.34	64.43	60.36	61.43
Baseline + ratio loss + OHEM (ours)	66.26	68.57	63.24	65.07

The bold values indicate the best results of all the methods on each metric. They can clearly demonstrate that our proposed method achieves the best performance compared with the other methods.