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Learning Frequency Domain Approximation for Binary Neural Networks

NeurIPS 2021 · Architectures and efficiency › RNNs and normalization · approach: Theory of depth and width · 9 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add sine (Fourier series) gradient module to Dorefa-Net (ablation)Dorefa-Net ResNet-20 · CIFAR-10accuracy (%): 84.44 -> 85.83Helped
add noise adaptation module on top of sine module (ablation)FDA-BNN ResNet-20 · CIFAR-10accuracy (%): 85.83 -> 86.20Helped
add noise adaptation module to DSQ (ablation)DSQ ResNet-20 · CIFAR-10accuracy (%): 84.11 -> 84.46Helped
add noise adaptation module to BNN+ (ablation)BNN+ ResNet-20 · CIFAR-10accuracy (%): 84.59 -> 84.87Helped
add linear shortcut eta(x)=ax in noise module vs none (ablation)FDA-BNN ResNet-20 · CIFAR-10accuracy (%): 85.27 -> 85.93Helped
use shortcut a*sin(x) instead of a*x (ablation)FDA-BNN ResNet-20 · CIFAR-10accuracy (%): 85.93 -> 86.20Helped
increase number of Fourier series terms n beyond about 10 (ablation)FDA-BNN · CIFAR-10accuracy (%)No clear effect
gradually increase n starting from 9 rather than fixed n (ablation)FDA-BNN · CIFAR-10accuracy (%)Helped
replace STE gradient with Fourier series gradient in ReActNetReActNet ResNet-18 · ImageNettop-1 accuracy (%): 65.5 -> 66.0Helped

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