activity
20232025
collaborators

8 papers

cs.CV2025

FOCUS -- Multi-View Foot Reconstruction From Synthetically Trained Dense Correspondences

Oliver Boyne, Roberto Cipolla

Surface reconstruction from multiple, calibrated images is a challenging task - often requiring a large number of collected images with significant overlap. We look at the specific…

cs.CV2024

LUCES-MV: A Multi-View Dataset for Near-Field Point Light Source Photometric Stereo

Fotios Logothetis, Ignas Budvytis, Stephan Liwicki +1

The biggest improvements in Photometric Stereo (PS) field has recently come from adoption of differentiable volumetric rendering techniques such as NeRF or Neural SDF achieving imp…

cs.CV2024

NPLMV-PS: Neural Point-Light Multi-View Photometric Stereo

Fotios Logothetis, Ignas Budvytis, Roberto Cipolla

In this work we present a novel multi-view photometric stereo (MVPS) method. Like many works in 3D reconstruction we are leveraging neural shape representations and learnt renderer…

cs.CV2024

VRS-NeRF: Visual Relocalization with Sparse Neural Radiance Field

Fei Xue, Ignas Budvytis, Daniel Olmeda Reino +1

Visual relocalization is a key technique to autonomous driving, robotics, and virtual/augmented reality. After decades of explorations, absolute pose regression (APR), scene coordi…

cs.CV2024

PRAM: Place Recognition Anywhere Model for Efficient Visual Localization

Fei Xue, Ignas Budvytis, Roberto Cipolla

Visual localization is a key technique to a variety of applications, e.g., autonomous driving, AR/VR, and robotics. For these real applications, both efficiency and accuracy are im…

cs.CV2023

A Neural Height-Map Approach for the Binocular Photometric Stereo Problem

Fotios Logothetis, Ignas Budvytis, Roberto Cipolla

In this work we propose a novel, highly practical, binocular photometric stereo (PS) framework, which has same acquisition speed as single view PS, however significantly improves t…

cs.CV2023

Sparse Multi-Object Render-and-Compare

Florian Langer, Ignas Budvytis, Roberto Cipolla

Reconstructing 3D shape and pose of static objects from a single image is an essential task for various industries, including robotics, augmented reality, and digital content creat…

cs.CV2023

FOUND: Foot Optimization with Uncertain Normals for Surface Deformation Using Synthetic Data

Oliver Boyne, Gwangbin Bae, James Charles +1

Surface reconstruction from multi-view images is a challenging task, with solutions often requiring a large number of sampled images with high overlap. We seek to develop a method…