David Nordström

David Nordström

PhD Student in Deep Learning

I do
Deep Learning 
Supervised by
Fredrik Kahl
and
Georg Bökman
.

News

MuM accepted at CVPR 2026

Our paper on Multi-View Masked Image Modeling for 3D Vision has been accepted at CVPR 2026.

Pre-prints out now for MuM and RoMa v2

Released our work on Multi-View Masked Image Modeling for 3D Vision and a new dense feature matcher, RoMa v2.

ICML 2025 Spotlight

"Flopping for FLOPs" accepted as Spotlight Paper at ICML 2025.

Publications

Selected

Pre-print

LoMa

Local Feature Matching Revisited

D. Nordström*, J. Edstedt*, G. Bökman, J. Astermark, A. Heyden, V. Larsson, M. Wadenbäck, M. Felsberg, F. Kahl

LoMa method

Revisits local feature matching with large data mixtures and scaled compute. +18.6 mAA on HardMatch over ALIKED+LightGlue.

★ CVPR 2026

MuM

Multi-View Masked Image Modeling for 3D Vision

D. Nordström, J. Edstedt, F. Kahl, G. Bökman

MuM teaser

Feature encoder for 3D vision via multi-frame MAE. Beats DINOv3 and CroCo v2 on matching, reconstruction, and pose estimation.

Pre-print

Octic ViTs

Octic Vision Transformers: Quicker ViTs Through Equivariance

D. Nordström, J. Edstedt, F. Kahl, G. Bökman

Octic ViTs

Builds 8-fold symmetry into Vision Transformers, reducing compute while improving performance through equivariance.

arXiv
★ ICML 2025 Spotlight

Flopping for FLOPs

Leveraging equivariance for computational efficiency

G. Bökman, D. Nordström, F. Kahl

Flopping for FLOPs

Flopping-equivariance in modern vision architectures reduces FLOPs and improves performance — a free lunch from symmetry.

arXiv

Other

Who Handles Orientation? Investigating Invariance in Feature Matching

David Nordström, Johan Edstedt, Fredrik Kahl, Georg Bökman

CVPRW 2026arXiv

RoMa v2: Harder Better Faster Denser Feature Matching

Johan Edstedt, David Nordström, Yushan Zhang, Georg Bökman, Jonathan Astermark, Viktor Larsson, Anders Heyden, Fredrik Kahl, Mårten Wadenbäck, Michael Felsberg

Pre-printarXiv

Open Source

davnords — bash

Just need the matcher? uv add lomatch works as a drop-in replacement for LightGlue in any SfM or visual localization pipeline.

Education

Chalmers

PhD in Geometric Deep Learning and 3D Computer Vision

Chalmers University of Technology

Ongoing

Research focus on equivariant neural networks, efficient deep learning architectures and 3D computer vision.

Chalmers

M.Sc. in Engineering Mathematics

Chalmers University of Technology

International Experience

Exchange Semester at UC Berkeley

Exchange Semester at Seoul National University

Chalmers

B.Sc. in Industrial Engineering

Chalmers University of Technology

5.0/5.0 GPA
University of Gothenburg

B.Sc. in Economics

University of Gothenburg

Completed in parallel with Industrial Engineering degree

Teaching

Computer Vision

EEN020, Chalmers University of Technology

Fall 2025

Deep Machine Learning

SSY340, Chalmers University of Technology

Fall 2025

Talks

Feedforward 3D Reconstruction

Guest lecture in the Computer Vision course at Chalmers University of Technology.

Video

Acknowledgements

My research is a result of a great collaboration with
Georg Bökman
and
Johan Edstedt
, and my main supervisor
Fredrik Kahl
, they have ben instrumental to all of my works. I am also grateful for the nice funding by the Wallenberg AI, Autonomous Systems and Software Program (WASP) which has given me many great benefits.

Get in Touch

I'm always open to research collaborations and discussions.

Feel free to reach out via email for any inquiries or opportunities.