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Research map / Architectures and efficiency / CNN design

Do Better ImageNet Models Transfer Better?

CVPR 2019 · Architectures and efficiency › CNN design · approach: Efficient CNN scaling and dynamic inference · 1,284 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use a higher ImageNet-accuracy architecturelogistic regression on fixed penultimate-layer features · 12 image classification datasetstransfer accuracy: r = 0.99Helped
use a higher ImageNet-accuracy architecturefine-tuned CNNs · 12 image classification datasetstransfer accuracy: r = 0.96Helped
use a higher ImageNet-accuracy architectureCNNs trained from random initialization · 12 image classification datasetstransfer accuracy: r = 0.55Helped
add batch-normalization scale parameters (ablation)Inception models used as fixed feature extractors · image classification transfer datasetstransfer accuracyHelped
disable label smoothing (ablation)ImageNet-pretrained Inception models used as fixed feature extractors · image classification transfer datasetstransfer accuracyHelped
disable dropout (ablation)ImageNet-pretrained Inception models used as fixed feature extractors · image classification transfer datasetstransfer accuracyHelped
remove the auxiliary classifier head (ablation)ImageNet-pretrained Inception models used as fixed feature extractors · image classification transfer datasetstransfer accuracyHelped
use regularization during ImageNet pretraining (ablation)logistic regression on public-checkpoint features · 12 image classification datasetsPearson r between ImageNet and transfer accuracy: 0.99 -> 0.37Hurt
fine-tune ImageNet-pretrained weights rather than train from scratch (ablation)Inception v4 · Stanford Carstop-1 accuracy: 92.7% -> 93.3%Helped
fine-tune ImageNet-pretrained weights rather than train from scratch (ablation)Inception v4 · FGVC Aircraftmean per-class accuracy: 88.8% -> 89.0%Helped
initialize from ImageNet weights rather than random initialization (ablation)Inception v4 · fine-grained classification taskssteps to reach 90% of maximum odds of correct classification: 1151 steps -> 19531 stepsHelped
add the auxiliary head during pretraining and fine-tuning (ablation)Inception v4 · Food-101, FGVC Aircraft, VOC2007, Oxford Pets, CIFAR-100, DTD, Oxford 102 Flowersfine-tuning accuracyMixed

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