S-NeRF: Neural Reflectance Field from Shading and Shadow under a Single Viewpoint

W Yang, G Chen, C Chen, Z Chen… - Advances in Neural …, 2022 - proceedings.neurips.cc
In this paper, we address the" dual problem" of multi-view scene reconstruction in which we
utilize single-view images captured under different point lights to learn a neural scene …

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 …

Recovering surface normal and arbitrary images: A dual regression network for photometric stereo

Y Ju, J Dong, S Chen - IEEE Transactions on Image Processing, 2021 - ieeexplore.ieee.org
Photometric stereo recovers three-dimensional (3D) object surface normal from multiple
images under different illumination directions. Traditional photometric stereo methods suffer …

Uncalibrated neural inverse rendering for photometric stereo of general surfaces

B Kaya, S Kumar, C Oliveira… - Proceedings of the …, 2021 - openaccess.thecvf.com
This paper presents an uncalibrated deep neural network framework for the photometric
stereo problem. For training models to solve the problem, existing neural network-based …

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 …

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 …

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 …

Underwater optical 3-D reconstruction of photometric stereo considering light refraction and attenuation

H Fan, L Qi, C Chen, Y Rao, L Kong… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Photometric stereo is a widely used optical 3-D reconstruction method, which has
advantages for high-resolution and well-detailed 3-D reconstruction even in weak texture …

Leveraging near-field lighting for monocular depth estimation from endoscopy videos

A Paruchuri, S Ehrenstein, S Wang, I Fried… - … on Computer Vision, 2024 - Springer
Monocular depth estimation in endoscopy videos can enable assistive and robotic surgery
to obtain better coverage of the organ and detection of various health issues. Despite …

Deepshadow: Neural shape from shadow

A Karnieli, O Fried, Y Hel-Or - European Conference on Computer Vision, 2022 - Springer
This paper presents 'DeepShadow', a one-shot method for recovering the depth map and
surface normals from photometric stereo shadow maps. Previous works that try to recover …