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Nested Collaborative Learning for Long-Tailed Visual Recognition

CVPR 2022 · Label-efficient and robust learning › Recognition and long-tail · approach: Decoupled and calibrated long-tail training · 106 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add NIL to the BSCE baseline (ablation)NCL · CIFAR100-LT IF 100accuracy: 50.60 -> 51.24Helped
Add self-supervision to the BSCE baseline (ablation)NCL · CIFAR100-LT IF 100accuracy: 50.60 -> 51.42Helped
Add BOD_all to NIL (ablation)NCL · CIFAR100-LT IF 100accuracy: 51.24 -> 52.64Helped
Add BOD_hard to NIL and BOD_all (ablation)NCL · CIFAR100-LT IF 100accuracy: 52.64 -> 53.19Helped
Add self-supervision to NIL and NBOD (ablation)NCL · CIFAR100-LT IF 100accuracy: 53.19 -> 53.31Helped
Evaluate the multiple experts as an ensemble (ablation)NCL · CIFAR100-LT IF 100accuracy: 53.31 -> 54.42Helped
Remove RandAugment (ablation)NCL · CIFAR100-LT IF 100accuracy: 53.31 -> 47.93Hurt
Remove balanced probabilities from online distillation (ablation)NBOD · CIFAR100-LT IF 100accuracy: about 1%Hurt
Replace online NBOD with offline distillation (ablation)NIL+NBOD · CIFAR100-LT IF 100accuracy: 1.5%Hurt
Set the hard-category ratio to 0.3 (ablation)NIL · CIFAR100-LT IF 100accuracyHelped
Set the NBOD loss weight to 0.6 (ablation)NCL · CIFAR100-LT IF 100accuracyHelped
Increase the number of experts (ablation)NCL ensemble · CIFAR100-LT IF 100accuracyHelped

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