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Many-to-One Distribution Learning and K-Nearest Neighbor Smoothing for Thoracic Disease Identification

AAAI 2021 · Label-efficient and robust learning › Recognition and long-tail · approach: Loss design and classifier theory · 6 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add MODL and KNNS to the single target modelDenseNet-121 (B) · NIH Chest X-rayMean AUC: increased by 3.22%Helped
Add MODL and KNNS to the single target modelDenseNet-121 (B) · CheXpertMean AUC: increases the mean AUC by 3.26%Helped
Add MODL without KNNS (ablation)DenseNet-121 (B) · NIH Chest X-rayMean AUC: increased by 2.22%Helped
Add MODL without KNNS (ablation)DenseNet-121 (B) · CheXpertMean AUC: increased by 1.98%Helped
Add KNNS without MODL (ablation)DenseNet-121 (B) · NIH Chest X-rayMean AUC: increased by 2.42%Helped
Add KNNS without MODL (ablation)DenseNet-121 (B) · CheXpertMean AUC: increased by 2.11%Helped
Add KNNS with K set to 3 (ablation)DenseNet-121 (B) · CheXpertMean AUC improvement: 1.14%Helped
Set KNNS K to 5 (ablation)DenseNet-121 (B) · CheXpertMean AUC improvement: 1.68%Helped
Set KNNS K to 7 (ablation)DenseNet-121 (B) · CheXpertMean AUC improvement: 1.98%Helped
Increase K beyond 7 (ablation)KNNS · CheXpertMean AUC improvementMixed
Use MODL and KNNS together instead of either component alone (ablation)DenseNet-121 (B) · NIH Chest X-ray and CheXpertMean AUCHelped
Use the proposed single target model rather than Model Ensemble 1CheXpert · CheXpertMean AUC: outperforms Model Ensemble 1 by 0.44%Helped

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