Mattia D'Urso

I am a PhD student in Prof. Friedrich Fraundorfer's group at the Institute for Visual Computing (IVC) at Graz University of Technology, Austria.

Previously, I gained professional experience at the Canva office in Vienna and at Infineon Technologies in Villach, Austria.

I hold a joint Master's double degree from the University of Klagenfurt and the University of Udine, where I also completed my Bachelor's degree.

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Research

My research focuses on 3D Computer Vision and Machine Learning, with a specific interest in Pose Estimation and Structure from Motion (SfM).

TerraSky3D: Multi-View Reconstructions of European Landmarks in 4K
Mattia D'Urso1 Yuxi Hu1 Christian Sormann2 Mattia Rossi2 Friedrich Fraundorfer1
1Graz University of Technology 2Sony Europe
3DMV at CVPR Workshop 2026

TerraSky3D is a high-resolution 4K dataset of European landmarks comprising over 50,000 images across 150 scenes, specifically designed to bridge the modality gap between ground-level and aerial perspectives for 3D reconstruction. It provides curated camera poses and dense depth maps.
Code and data are available here.

A Lod of Gaussians: Unified Training and Rendering for Ultra-Large Scale Reconstruction with External Memory
Felix Windisch1 Thomas Köhler1 Lukas Radl1 Mattia D'Urso1 Michael Steiner1 Dieter Schmalstieg1, 2 Markus Steinberger1, 3
1Graz University of Technology 2 University of Stuttgart 3 Huawei Technologies
SIGGRAPH 2026

A LoD of Gaussians enables the reconstruction and interactive visualization of ultra-large-scale scenes by replacing traditional scene partitioning with a dynamic, out-of-core Level-of-Detail framework.

SANDesc: A Streamlined Attention-Based Network for Descriptor Extraction
Mattia D'Urso1 Emanuele Santellani1 Christian Sormann2 Mattia Rossi2 Andreas Kuhn2 Friedrich Fraundorfer1
1Graz University of Technology 2Sony Europe
3DV 2026

SANDesc is a descriptor module that can be trained on top of any existing keypoint detector. It significantly improves pose estimation performances on high-resolution images.
Code is available here. Webpage is available here.

Pytorchgeonodes: Enabling Differentiable Shape Programs for 3D Shape Reconstruction
Siniša Šteković1 Arslan Artykov1 Stefan Ainetter2 Mattia D'Urso2 Friedrich Fraundorfer2
1École des Ponts ParisTech 2Graz University of Technology
CVPR 2025

PyTorchGeoNodes is a differentiable module that enables reconstruction of 3D objects and their semantic parameters using interpretable shape programs.
Code is available here.


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