Lost in Latent Space: An Empirical Study of Latent Diffusion Models for Physics Emulation

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος: Lost in Latent Space: An Empirical Study of Latent Diffusion Models for Physics Emulation
Συγγραφείς: Rozet, François, Ohana, Ruben, McCabe, Michael, Louppe, Gilles, Lanusse, François, Ho, Shirley
Πηγή: Advances in Neural Information Processing Systems, 38 (2025-07-03); The Thirty-Ninth Annual Conference on Neural Information Processing Systems, San Diego, United States - California [US-CA], December 2-7, 2025
Στοιχεία εκδότη: Curran Associates, 2025.
Έτος έκδοσης: 2025
Θεματικοί όροι: Computer Science - Learning, Physics - Fluid Dynamics, Engineering, computing & technology, Computer science, Ingénierie, informatique & technologie, Sciences informatiques
Περιγραφή: The steep computational cost of diffusion models at inference hinders their use as fast physics emulators. In the context of image and video generation, this computational drawback has been addressed by generating in the latent space of an autoencoder instead of the pixel space. In this work, we investigate whether a similar strategy can be effectively applied to the emulation of dynamical systems and at what cost. We find that the accuracy of latent-space emulation is surprisingly robust to a wide range of compression rates (up to 1000x). We also show that diffusion-based emulators are consistently more accurate than non-generative counterparts and compensate for uncertainty in their predictions with greater diversity. Finally, we cover practical design choices, spanning from architectures to optimizers, that we found critical to train latent-space emulators.
Τύπος εγγράφου: conference paper
http://purl.org/coar/resource_type/c_5794
conferenceObject
peer reviewed
Γλώσσα: English
Relation: https://openreview.net/forum?id=xoNrbfbekM; https://github.com/PolymathicAI/the_well; urn:issn:1049-5258
Σύνδεσμος πρόσβασης: https://orbi.uliege.be/handle/2268/337977
Rights: open access
http://purl.org/coar/access_right/c_abf2
info:eu-repo/semantics/openAccess
Αριθμός Καταχώρησης: edsorb.337977
Βάση Δεδομένων: ORBi
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