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 …

Self-supervised intrinsic image decomposition

M Janner, J Wu, TD Kulkarni… - Advances in neural …, 2017 - proceedings.neurips.cc
Intrinsic decomposition from a single image is a highly challenging task, due to its inherent
ambiguity and the scarcity of training data. In contrast to traditional fully supervised learning …

Bilateral normal integration

X Cao, H Santo, B Shi, F Okura… - European Conference on …, 2022 - Springer
This paper studies the discontinuity preservation problem in recovering a surface from its
surface normal map. To model discontinuities, we introduce the assumption that the surface …

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 …

Luces: A dataset for near-field point light source photometric stereo

R Mecca, F Logothetis, I Budvytis, R Cipolla - arXiv preprint arXiv …, 2021 - arxiv.org
Three-dimensional reconstruction of objects from shading information is a challenging task
in computer vision. As most of the approaches facing the Photometric Stereo problem use …

Normal integration via inverse plane fitting with minimum point-to-plane distance

X Cao, B Shi, F Okura… - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
This paper presents a surface normal integration method that solves an inverse problem of
local plane fitting. Surface reconstruction from normal maps is essential in photometric …

Fast light-weight near-field photometric stereo

D Lichy, S Sengupta… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
We introduce the first end-to-end learning-based solution to near-field Photometric Stereo
(PS), where the light sources are close to the object of interest. This setup is especially …

Sparse photometric 3D face reconstruction guided by morphable models

X Cao, Z Chen, A Chen, X Chen… - Proceedings of the …, 2018 - openaccess.thecvf.com
We present a novel 3D face reconstruction technique that leverages sparse photometric
stereo (PS) and latest advances on face registration/modeling from a single image. We …

Variational methods for normal integration

Y Quéau, JD Durou, JF Aujol - Journal of Mathematical Imaging and Vision, 2018 - Springer
The need for an efficient method of integration of a dense normal field is inspired by several
computer vision tasks, such as shape-from-shading, photometric stereo, deflectometry …