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BBN: Bilateral-Branch Network With Cumulative Learning for Long-Tailed Visual Recognition

CVPR 2020 · Label-efficient and robust learning › Recognition and long-tail · approach: Decoupled and calibrated long-tail training · 905 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use BBN's bilateral branches and cumulative learningResNet-32 · CIFAR-10-IR100top-1 error rate: 20.18 vs 22.97Helped
Use BBN with the 2× training scheduleResNet-50 · iNaturalist 2018top-1 error rate: 30.38 vs 33.88Helped
Use a reversed sampler in the re-balancing branch (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 21.31 -> 17.82; 21.06 -> 17.82Helped
Replace reversed sampling with uniform sampling in the re-balancing branch (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 17.82 -> 21.31Hurt
Replace reversed sampling with balanced sampling in the re-balancing branch (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 17.82 -> 21.06Hurt
Use parabolic decay for α instead of equal weighting (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 21.56 -> 17.82Helped
Use parabolic decay for α instead of β-distribution sampling (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 21.75 -> 17.82Helped
Use parabolic decay rather than parabolic increment for α (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 22.70 -> 17.82Helped
Use parabolic decay rather than linear decay for α (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 18.55 -> 17.82Helped
Use parabolic decay rather than cosine decay for α (ablation)BBN, ResNet-32 · CIFAR-10-IR50error rate: 18.04 -> 17.82Helped
Train representations with re-weighting rather than conventional cross-entropyfeature extractor · CIFAR-100-IR50error rate: 58.62 -> 63.17Hurt
Train representations with re-sampling rather than conventional cross-entropyfeature extractor · CIFAR-100-IR50error rate: 58.62 -> 63.71Hurt

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