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Bring Evanescent Representations to Life in Lifelong Class Incremental Learning

CVPR 2022 · Continual learning › Class-incremental · approach: Exemplar-efficient class-incremental learning · 41 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
jointly model feature and semantic drift and fuse their estimatesCIFAR100 class-incremental learning · CIFAR100, 5, 10, and 20 stepsper-class average top-1 accuracy: 1.75%, 4.6%, and 3.07%Helped
jointly model feature and semantic drift and fuse their estimatesTinyImageNet class-incremental learning · TinyImageNet, 5, 10, and 20 stepsper-class average top-1 accuracy: 48.74 vs 47.89; 46.92 vs 45.41; 44.61 vs 41.46Helped
jointly model feature and semantic drift and fuse their estimatesCUB200 class-incremental learning · CUB200, 5, 10, and 20 stepsper-class average top-1 accuracy: 56.97 vs 52.30; 52.58 vs 38.30; 38.26 vs 18.17Helped
add joint fusion of feature and semantic drift instead of using either drift alone (ablation)CIFAR100 class-incremental learning · CIFAR100, 5 stepsper-class average top-1 accuracy: 57.91 -> 59.37; 58.33 -> 59.37Helped
add joint fusion of feature and semantic drift instead of using either drift alone (ablation)CUB200 class-incremental learning · CUB200, 20 stepsper-class average top-1 accuracy: 31.36 -> 37.99; 32.50 -> 38.26Helped
add the correlation objective to the fusion loss (ablation)GM-MLP drift fusion · CIFAR100, 5 stepsper-class average top-1 accuracy: 58.89 -> 59.37Helped
add the correlation objective to the fusion loss (ablation)VM-VAE drift fusion · CUB200, 20 stepsper-class average top-1 accuracy: 36.80 -> 38.26Helped
replace Gaussian MLP drift models with variational VAE drift models (ablation)fused drift estimation · CIFAR100 and CUB200 class-incremental setupsper-class average top-1 accuracy: CIFAR100, 5 steps: 59.37 vs 58.72; CUB200, 20 steps: 37.99 vs 38.26Mixed
use prototype drift compensation as in SDCCUB200 class-incremental learning · CUB200, 5, 10, and 20 stepsper-class average top-1 accuracyNo clear effect

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