Search Results for author: Riccardo Valperga

Found 5 papers, 2 papers with code

How to Train Neural Field Representations: A Comprehensive Study and Benchmark

1 code implementation16 Dec 2023 Samuele Papa, Riccardo Valperga, David Knigge, Miltiadis Kofinas, Phillip Lippe, Jan-Jakob Sonke, Efstratios Gavves

In this work, we propose $\verb|fit-a-nef|$, a JAX-based library that leverages parallelization to enable fast optimization of large-scale NeF datasets, resulting in a significant speed-up.

Benchmarking

Data Augmentations in Deep Weight Spaces

no code implementations15 Nov 2023 Aviv Shamsian, David W. Zhang, Aviv Navon, Yan Zhang, Miltiadis Kofinas, Idan Achituve, Riccardo Valperga, Gertjan J. Burghouts, Efstratios Gavves, Cees G. M. Snoek, Ethan Fetaya, Gal Chechik, Haggai Maron

Learning in weight spaces, where neural networks process the weights of other deep neural networks, has emerged as a promising research direction with applications in various fields, from analyzing and editing neural fields and implicit neural representations, to network pruning and quantization.

Data Augmentation Network Pruning +1

Neural Modulation Fields for Conditional Cone Beam Neural Tomography

no code implementations17 Jul 2023 Samuele Papa, David M. Knigge, Riccardo Valperga, Nikita Moriakov, Miltos Kofinas, Jan-Jakob Sonke, Efstratios Gavves

Conventional Computed Tomography (CT) methods require large numbers of noise-free projections for accurate density reconstructions, limiting their applicability to the more complex class of Cone Beam Geometry CT (CBCT) reconstruction.

Computed Tomography (CT)

Learning Lie Group Symmetry Transformations with Neural Networks

1 code implementation4 Jul 2023 Alex Gabel, Victoria Klein, Riccardo Valperga, Jeroen S. W. Lamb, Kevin Webster, Rick Quax, Efstratios Gavves

The problem of detecting and quantifying the presence of symmetries in datasets is useful for model selection, generative modeling, and data analysis, amongst others.

Model Selection

Learning reversible symplectic dynamics

no code implementations26 Apr 2022 Riccardo Valperga, Kevin Webster, Victoria Klein, Dmitry Turaev, Jeroen S. W. Lamb

Time-reversal symmetry arises naturally as a structural property in many dynamical systems of interest.

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