Scaled Inverse Graphics: Efficiently Learning Large Sets of 3D Scenes - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2024

Scaled Inverse Graphics: Efficiently Learning Large Sets of 3D Scenes

Résumé

While the field of inverse graphics has been witnessing continuous growth, techniques devised thus far predominantly focus on learning individual scene representations. In contrast, learning large sets of scenes has been a considerable bottleneck in NeRF developments, as repeatedly applying inverse graphics on a sequence of scenes, though essential for various applications, remains largely prohibitive in terms of resource costs. We introduce a framework termed "scaled inverse graphics", aimed at efficiently learning large sets of scene representations, and propose a novel method to this end. It operates in two stages: (i) training a compression model on a subset of scenes, then (ii) training NeRF models on the resulting smaller representations, thereby reducing the optimization space per new scene. In practice, we compact the representation of scenes by learning NeRFs in a latent space to reduce the image resolution, and sharing information across scenes to reduce NeRF representation complexity. We experimentally show that our method presents both the lowest training time and memory footprint in scaled inverse graphics compared to other methods applied independently on each scene. Our codebase is publicly available as open-source. Our project page can be found at https://scaled-ig.github.io .
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Dates et versions

hal-04761470 , version 1 (31-10-2024)

Identifiants

  • HAL Id : hal-04761470 , version 1

Citer

Karim Kassab, Antoine Schnepf, Jean-Yves Franceschi, Laurent Caraffa, Flavian Vasile, et al.. Scaled Inverse Graphics: Efficiently Learning Large Sets of 3D Scenes. 2024. ⟨hal-04761470⟩
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