Search Results for author: Fredrik Ohlsson

Found 6 papers, 3 papers with code

Equivariant Manifold Neural ODEs and Differential Invariants

no code implementations25 Jan 2024 Emma Andersdotter, Fredrik Ohlsson

In this paper we develop a manifestly geometric framework for equivariant manifold neural ordinary differential equations (NODEs), and use it to analyse their modelling capabilities for symmetric data.

HEAL-SWIN: A Vision Transformer On The Sphere

1 code implementation14 Jul 2023 Oscar Carlsson, Jan E. Gerken, Hampus Linander, Heiner Spieß, Fredrik Ohlsson, Christoffer Petersson, Daniel Persson

High-resolution wide-angle fisheye images are becoming more and more important for robotics applications such as autonomous driving.

Autonomous Driving Semantic Segmentation +1

Optimization Dynamics of Equivariant and Augmented Neural Networks

1 code implementation23 Mar 2023 Axel Flinth, Fredrik Ohlsson

We investigate the optimization of multilayer perceptrons on symmetric data.

Equivariance versus Augmentation for Spherical Images

1 code implementation8 Feb 2022 Jan E. Gerken, Oscar Carlsson, Hampus Linander, Fredrik Ohlsson, Christoffer Petersson, Daniel Persson

We compare the performance of the group equivariant networks known as S2CNNs and standard non-equivariant CNNs trained with an increasing amount of data augmentation.

Data Augmentation Image Classification +1

Geometric Deep Learning and Equivariant Neural Networks

no code implementations28 May 2021 Jan E. Gerken, Jimmy Aronsson, Oscar Carlsson, Hampus Linander, Fredrik Ohlsson, Christoffer Petersson, Daniel Persson

We also discuss group equivariant neural networks for homogeneous spaces $\mathcal{M}=G/K$, which are instead equivariant with respect to the global symmetry $G$ on $\mathcal{M}$.

object-detection Object Detection +1

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