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Sparsity Aware Normalization for GANs

AAAI 2021 · Architectures and efficiency › CNN design · approach: Invertible and wide-network analysis · 2 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace spectral normalization with sparsity-aware normalizationStandard CNN GAN · CIFAR-10Inception score: 7.58 ± .12 -> 7.89 ± .09Helped
Replace spectral normalization with sparsity-aware normalizationStandard CNN GAN · STL-10Inception score: 8.79 ± .14 -> 9.18 ± .06Helped
Replace spectral normalization with sparsity-aware normalizationResNet GAN · CIFAR-10Inception score: 8.22 ± .05 -> 8.43 ± .13Helped
Replace spectral normalization with sparsity-aware normalizationResNet GAN · STL-10Inception score: 9.10 ± .04 -> 9.21 ± .10Helped
Replace BigGAN critic spectral normalization with SANBigGAN · CIFAR-10 conditional generationInception score: 9.24 ± .16 -> 9.53 ± .13Helped
Apply SAN to SPADE discriminatorSPADE · Cityscapes label-to-image translationFID: 63.65 -> 58.56Helped
Use SAN with a compact SRGAN generatorSRGAN generator · BSD100 4× super-resolutionPSNR: 25.69 -> 26.15Helped
Use SAN with a compact SRGAN generatorSRGAN generator · BSD100 4× super-resolutionNIQE: 3.56 -> 3.21Helped
Use SAN instead of the StarGAN baseline normalizationStarGAN · CelebA gender translationFID: 85.10 -> 71.41Helped
Normalize only once every 1000 critic steps (ablation)SAN-GAN · CIFAR-10Inception scoreHelped
Set the normalization correction to 1.1 instead of the proposed 1.0 (ablation)SAN-GAN · CIFAR-10Inception scoreHelped
Use SAN rather than spectral normalization across varied training hyperparameters (ablation)CIFAR-10 GAN · CIFAR-10, hyperparameter settings A-FInception scoreMixed

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