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[Re] GANSpace: Discovering Interpretable GAN Controls

NeurIPS 2022 · Image generation › GANs · approach: Large-scale GAN latent analysis

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use PCA directions instead of random directions in StyleGAN latent spaceStyleGAN and StyleGAN2 · GAN latent-space editsseparation of pose and appearance changesHelped
Apply PCA to StyleGAN's W space instead of feature tensors and transfer directions to W (ablation)StyleGAN · GAN latent-space editsusefulness of controlsHelped
Compute BigGAN PCA at the first linear layer instead of later layers (ablation)BigGAN512-deep · GAN latent-space editsusefulness of controlsHelped
Apply a PCA direction only to selected StyleGAN layers rather than globally (ablation)StyleGAN and StyleGAN2 · Layer-wise image editsspecificity of editsHelped
Vary BigGAN Skip-z inputs separately by layer (ablation)BigGAN512-deep · Layer-wise image editslayer-wise controllabilityHelped
Use BigGAN layer-wise Skip-z edits rather than StyleGAN layer-wise style editsBigGAN512-deep · Layer-wise image editsedit disentanglementHurt
Randomize the first eight PCA coordinates while fixing the remaining coordinates (ablation)StyleGAN2 · Cat image editspose and camera-angle variationHelped
Randomize the remaining PCA coordinates while fixing the first eight (ablation)StyleGAN2 · Cat image editsappearance variation with pose consistencyHelped
Replace PCA directions with random directions (ablation)StyleGAN and StyleGAN2 · GAN latent-space editsdistinctiveness of selected directionsHurt
Restrict the latent representation to the first 100 PCA components (ablation)StyleGAN2 FFHQ · FFHQoverall image appearanceNo clear effect
Apply the wrinkles edit to a child's faceStyleGAN2 FFHQ · FFHQwrinkle-edit effectNo clear effect
Apply makeup or lipstick edits to male-presenting facesStyleGAN2 FFHQ · FFHQmakeup-edit effectNo clear effect

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