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Playable Environments: Video Manipulation in Space and Time

CVPR 2022 · Video › Video generation · approach: World-model video generation · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add multi-object modeling (ablation)NeRF-based synthesis · MinecraftLPIPS: 0.735 -> 0.595Helped
Add deformation modeling (ablation)Multi-object synthesis · MinecraftADD: 45.4 -> 10.17Helped
Use style modulation instead of concatenating the style code (ablation)Deformable multi-object synthesis · MinecraftLPIPS: 0.361 -> 0.350Helped
Add the feature renderer (ablation)Playable Environments synthesis · MinecraftLPIPS: 0.341 -> 0.193Helped
Replace the feature renderer with a simplified single-resolution renderer (ablation)Playable Environments synthesis · MinecraftFVD: 289 -> 1371Hurt
Add camera-relative movement prediction (ablation)Playable Environments action module · MinecraftΔ-MSE: 0.903 -> 0.290Helped
Add the Δ loss (ablation)Playable Environments action module · MinecraftΔ-Acc: 76.0 -> 80.0Helped
Add the temporal discriminator (ablation)Playable Environments action module · MinecraftFVD: 340 -> 323Helped
Remove the information-theoretic action learning loss (ablation)Playable Environments action module · MinecraftΔ-Acc: 77.7 -> 77.5No clear effect
Use camera-relative movement (ablation)Playable Environments action dynamics · Minecraftcamera-conditioned movementHelped

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