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Harnessing Hard Mixed Samples with Decoupled Regularizer

NeurIPS 2023 · Label-efficient and robust learning › Semi-supervised learning · approach: Self-training theory · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
replace MCE with DM(CE) loss for static mixupMixup/CutMix/ManifoldMix/FMix/ResizeMix · CIFAR-100 and Tiny-ImageNettop-1 accuracy: +0.78, +0.77, +0.34 (CIFAR-100), +1.18, +1.62 (Tiny) avgHelped
replace MCE with DM(CE) for ResizeMixResizeMix · CIFAR-100 WRN-28-8top-1 accuracy: 84.87 -> 84.72Hurt
add DM(CE) to dynamic mixup (PuzzleMix, AutoMix, SAMix)dynamic mixup · CIFAR-100 / Tiny-ImageNettop-1 accuracy: +0.15~0.4 (CIFAR-100), +0.56~0.95 (Tiny) avgHelped
add DM(CE) and AS to Self-Tuning with MixupSelf-Tuning · CUB-200 15% labelstop-1 accuracy: 62.38 -> 73.06Helped
add DM(CE)+AS to FixMatch+MixupFixMatch · CIFAR-100 400 labelstop-1 accuracy: 50.61 -> 59.75Helped
apply plain Mixup (MCE) on top of FixMatchFixMatch · CIFAR-100 400 labelstop-1 accuracy: 53.58 -> 50.61Hurt
add DM to MixMatchMixMatch · CIFAR-10 250 labelstop-1 accuracy: 86.37 -> 89.16Helped
asymmetric strategy AS (lambda<=0.5) instead of MCE or AS(lambda>=0.5) (ablation)Self-Tuning SSL transfer · CUB-200 R-18top-1 accuracyHelped
add DM(CE) on top of AS (ablation)Self-Tuning with AS · CUB-200 R-18top-1 accuracyHelped
set eta to 1 for dynamic mixup vs 0.1 for static mixup (ablation)DM(CE) · ImageNet-1k ResNet-34top-1 accuracyMixed
tune DM(BCE) xi,t per mixup type (cut: xi=0.8,t=1; interpolation: xi=1.0,t=0.5) (ablation)DM(BCE) · ImageNet-1k ResNet-34top-1 accuracyMixed
use two-hot encoding (MBCE(two)) instead of DM(BCE) rescaling (ablation)MBCE · ImageNet-1k RSB A3top-1 accuracyHurt

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