A benchmark dataset and evaluation for non-lambertian and uncalibrated photometric stereo

B Shi, Z Wu, Z Mo, D Duan… - Proceedings of the …, 2016 - openaccess.thecvf.com
Recent progress on photometric stereo extends the technique to deal with general materials
and unknown illumination conditions. However, due to the lack of suitable benchmark data …

A cnn based approach for the point-light photometric stereo problem

F Logothetis, R Mecca, I Budvytis, R Cipolla - International Journal of …, 2023 - Springer
Reconstructing the 3D shape of an object using several images under different light sources
is a very challenging task, especially when realistic assumptions such as light propagation …

Px-net: Simple and efficient pixel-wise training of photometric stereo networks

F Logothetis, I Budvytis, R Mecca… - Proceedings of the …, 2021 - openaccess.thecvf.com
Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very
challenging task in computer vision. Despite more than four decades since the definition of …

Led-based photometric stereo: Modeling, calibration and numerical solution

Y Quéau, B Durix, T Wu, D Cremers, F Lauze… - Journal of Mathematical …, 2018 - Springer
We conduct a thorough study of photometric stereo under nearby point light source
illumination, from modeling to numerical solution, through calibration. In the classical …

On joint estimation of pose, geometry and svbrdf from a handheld scanner

C Schmitt, S Donne, G Riegler… - Proceedings of the …, 2020 - openaccess.thecvf.com
We propose a novel formulation for joint recovery of camera pose, object geometry and
spatially-varying BRDF. The input to our approach is a sequence of RGB-D images captured …

A differential volumetric approach to multi-view photometric stereo

F Logothetis, R Mecca… - Proceedings of the IEEE …, 2019 - openaccess.thecvf.com
Highly accurate 3D volumetric reconstruction is still an open research topic where the main
difficulty is usually related to merging some rough estimations with high frequency details …

Tensile strength of artificially cemented sandstone generated via microbially induced carbonate precipitation

C Konstantinou, G Biscontin, F Logothetis - Materials, 2021 - mdpi.com
Artificially bio-cemented sands treated with microbially induced calcite precipitation are
weakly cemented rocks representing intermediate materials between locked and carbonate …

A non-convex variational approach to photometric stereo under inaccurate lighting

Y Quéau, T Wu, F Lauze, JD Durou… - Proceedings of the …, 2017 - openaccess.thecvf.com
This paper tackles the photometric stereo problem in the presence of inaccurate lighting,
obtained either by calibration or by an uncalibrated photometric stereo method. Based on a …

A cnn based approach for the near-field photometric stereo problem

F Logothetis, I Budvytis, R Mecca, R Cipolla - arXiv preprint arXiv …, 2020 - arxiv.org
Reconstructing the 3D shape of an object using several images under different light sources
is a very challenging task, especially when realistic assumptions such as light propagation …

A neural height-map approach for the binocular photometric stereo problem

F Logothetis, I Budvytis… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
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 …