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Research map / Learning theory and algorithms / Sample complexity

Learning from Noisy Labels with No Change to the Training Process

ICML 2021 · Learning theory and algorithms › Sample complexity · approach: PAC learnability theory · 8 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
noise-corrected plug-in applied only at prediction time (no training change)plug-in with known C · MNIST and CIFAR10 with asymmetric noisetest accuracyNo clear effect
noise-corrected plug-in with iterative noise estimation vs. baselinesnoise estimation heuristic · MNIST CMNIST(0.45-0.65)test accuracyHelped
removing noise correction (standard logistic regression)logistic regression · symmetric noise Csym(0.2) on MNIST and CIFAR10test accuracyNo clear effect
noise correction (plug-in with known C) added to standard logistic regression (ablation)heavy asymmetric noise CMNIST(0.6) and CCIFAR10(0.65) · MNIST and CIFAR10test accuracy: MNIST 49.86 -> 89.23; CIFAR10 54.79 -> 84.01Helped
sample size increase with growing ||C^-1||_2 (noise matrix nearer singular) (ablation)plug-in on synthetic 5-class data · synthetic 5-class, 0-1 and ordinal lossesaccuracy / Lord lossHurt
iterative noise estimation heuristic vs. Patrini anchor estimationplug-in noise estimation · CMNIST(0.6)test accuracy: 70.68 vs 69.64 (Patrini, plug-in) on CMNIST(0.6) col;Helped

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