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Unsupervised Multi-Source Domain Adaptation for Person Re-Identification

CVPR 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Feature alignment for unsupervised adaptation · 93 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add RDSBN and MDIF to MMTMMT · Duke→MarketmAP: 74.6 -> 81.5Helped
Add RDSBN and MDIF to MMTMMT · Market→DukemAP: 61.0 -> 66.6Helped
Use RDSBN instead of DSBN (ablation)ResNet50 · Duke+CUHK→MarketmAP: 74.1 -> 78.2Helped
Add MDIF (ablation)ResNet50-RDSBN · Duke+CUHK→MarketmAP: 78.2 -> 79.4Helped
Replace direct instance graph with a weighted mean domain-agent-node (ablation)MDIF · Duke+CUHK→MarketmAP: 72.4 -> 73.2Helped
Use a weighted mean agent node instead of a simple mean agent node (ablation)MDIF · Duke+CUHK→MarketmAP: 72.9 -> 73.2Helped
Add intra-connections in the first GCN layer (ablation)MDIF · Duke+CUHK→MarketmAP: 73.2 -> 73.1Hurt
Use RDSBN instead of DSBN (ablation)ResNet50 · Market+CUHK→DukemAP: 60.4 -> 63.5Helped
Add MDIF (ablation)ResNet50-RDSBN · Market+CUHK→DukemAP: 63.5 -> 65.0Helped
Add intra-connections in the first GCN layer (ablation)MDIF · Market+CUHK→DukemAP: 62.7 -> 61.9Hurt
Use more source domains for direct transfer (ablation)Direct Transfer · Market1501 targetmAP: 27.7 -> 36.0 -> 40.3Helped
Add source data during MMT fine-tuning (ablation)MMT · Market1501 targetmAP: 74.6 -> 68.9; 75.3 -> 75.3; 74.8 -> 77.7Mixed

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