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The Unreasonable Effectiveness of Patches in Deep Convolutional Kernels Methods

ICLR 2021 · Architectures and efficiency › CNN design · approach: Large and dynamic kernel design · 2 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use patches sampled from training data instead of random Gaussian patches (ablation)SimplePatch · CIFAR-10accuracy: 8.1%Helped
replace hard-assignment VQ with soft-assignment VQ (ablation)SimplePatch · CIFAR-10accuracy: 0.2%Helped
train the patch dictionary end-to-end rather than sampling patches (ablation)SimplePatch · CIFAR-10accuracy: - 0.1 %No clear effect
increase image resolution from 64 to 128 (ablation)SimplePatch · ImageNetTop-1 accuracy: 33.2 -> 35.9Helped
omit hard-assignment VQ (ablation)SimplePatch at resolution 128 · ImageNetTop-1 accuracy: 35.9 -> 36.0No clear effect
replace CIFAR-10-sampled patches with ImageNet-sampled patches (ablation)SimplePatch · CIFAR-10accuracy: 0.4%Hurt
remove data augmentation (ablation)SimplePatch · CIFAR-10accuracy: about 2%Hurt
vary dictionary size, nearest-neighbor count, patch size, and whitening regularization (ablation)SimplePatch · CIFAR-10accuracyNo clear effect

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