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CleanNet: Transfer Learning for Scalable Image Classifier Training With Label Noise

CVPR 2018 · Label-efficient and robust learning › Noisy labels · approach: Instance-dependent noise modeling · 497 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use CleanNet instead of classification filtering for label-noise detectionFood-101N · Food-101Naverage error rate: 16.60 -> 9.61Helped
Retrain the classifier on data cleansed by CleanNet, then use its features (ablation)CleanNet label-noise detection · Food-101Naverage error rate: 9.61 -> 6.99Helped
Use soft rather than hard sample weighting (ablation)CleanNet classifier · Food-101Ntop-1 accuracy: 83.47 -> 83.95Helped
Use CleanNet soft weighting instead of no noise-handling methodResNet-50 classifier · Food-101Ntop-1 accuracy: 81.44 -> 83.95Helped
Use CleanNet soft weighting rather than no noise-handling methodResNet-50 classifier · Clothing1Mtop-1 accuracy: 68.94 -> 74.69Helped
Use soft rather than hard sample weighting (ablation)CleanNet classifier · Clothing1Mtop-1 accuracy: 74.15 -> 74.69Helped
Transfer verification supervision to held-out classesCleanNet label-noise detection · Food-101N held-out classesaverage error rate: 41.5% relative reduction (n=10)Helped
Hold out verification labels in 50 of 101 classes while using transfer learning (ablation)CleanNet label-noise detection · Food-101N held-out classesaverage error rate: 11.02%; 10.12%Mixed
Use CleanNet soft weighting rather than no noise-handling methodResNet-50 classifier · WebVision validationtop-1 accuracy: 67.76 -> 69.14Helped
Verify labels for every image rather than using no verificationResNet-50 classifier · WebVision validationtop-1 accuracy: 67.76 -> 70.31Helped
Use semantic-308 verification instead of all-1000 verification (ablation)CleanNet classifier · WebVision validationtop-1 accuracy: 69.14 -> 68.96Hurt
Use random-308 verification instead of all-1000 verification (ablation)CleanNet classifier · WebVision validationtop-1 accuracy: 69.14 -> 68.89Hurt

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