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Patchwise Generative ConvNet: Training Energy-Based Models From a Single Natural Image for Internal Learning

CVPR 2021 · Image generation › Autoregressive and latent generation · approach: Hierarchical VQ-VAE generation · 14 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use PatchGenCN instead of SinGAN for single-image generationPatchwise image generation on Places · PlacesSIFID: 0.11 -> 0.09Helped
Use PatchGenCN instead of SinGAN for single-image generationPatchwise image generation on Places · Placespaired real-vs-fake samples labeled real: 35.73% -> 33.60%Hurt
Use PatchGenCN instead of SinGAN for single-image generationPatchwise image generation on Places · Placesunpaired real-vs-fake samples labeled real: 39.33% -> 40.13%Helped
Use PatchGenCN instead of SinGAN for single-image generationPatchwise image generation on Places · PlacesNIQE: 5.22 -> 5.10Helped
Use PatchGenCN instead of the listed baselines4× single-image super-resolution · BSD100, example 1NIQE: 5.59 -> 4.32; 6.83 -> 4.32; 4.40 -> 4.32; 5.21 -> 4.32Helped
Use PatchGenCN instead of the listed baselines4× single-image super-resolution · BSD100, example 2NIQE: 6.49 -> 3.74; 4.48 -> 3.74; 4.75 -> 3.74; 4.35 -> 3.74Helped
Use PatchGenCN instead of the listed baselines4× single-image super-resolution · BSD100, example 1PSNR: 25.80, 28.79, 28.35, 24.36 -> 22.54Mixed
Use PatchGenCN instead of the listed baselines4× single-image super-resolution · BSD100, example 2PSNR: 31.86, 31.72, 33.54, 30.56 -> 28.45Mixed
Add higher-resolution scales to the model pyramid (ablation)PatchGenCN image generation · Single-image synthesisvisual detail and structureHelped
Add a self-supervised task during training (λ = 0.1 rather than λ = 0) (ablation)PatchGenCN image generation · Single-image synthesissynthesis qualityHelped
Set the self-supervised task weight either too large or too small (ablation)PatchGenCN training · Single-image synthesistraining stabilityHurt

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