Deep near-light photometric stereo for spatially varying reflectances
This paper presents a near-light photometric stereo method for spatially varying
reflectances. Recent studies in photometric stereo proposed learning-based approaches to …
reflectances. Recent studies in photometric stereo proposed learning-based approaches to …
Luces: A dataset for near-field point light source photometric stereo
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 …
in computer vision. As most of the approaches facing the Photometric Stereo problem use …
DarkGS: Learning Neural Illumination and 3D Gaussians Relighting for Robotic Exploration in the Dark
Humans have the remarkable ability to construct consistent mental models of an
environment, even under limited or varying levels of illumination. We wish to endow robots …
environment, even under limited or varying levels of illumination. We wish to endow robots …
A comparative survey of geometric light source calibration methods
M Kaisheva, V Rodehorst - DAGM German Conference on Pattern …, 2021 - Springer
With this survey paper, we provide a comprehensive overview of geometric light source
calibration methods developed in the last two decades and a comparison of those methods …
calibration methods developed in the last two decades and a comparison of those methods …
Shadow-Based Lightsource Localization with Direct Camera-Lightsource Geometry
Accurate lightsource location or direction is important in shape from shading (SFS) and
photometric stereo (PS). Tracking interested object by the lightsources on it is also a widely …
photometric stereo (PS). Tracking interested object by the lightsources on it is also a widely …
A fast LED calibration method under near field lighting based on photometric stereo
L Ma, Y Liu, J Liu, S Guo, X Pei, F Sun… - Optics and Lasers in …, 2021 - Elsevier
We proposed and experimentally demonstrate a calibration method to estimate the position
and the orientation of the anisotropic near point LED light source from a single view. In this …
and the orientation of the anisotropic near point LED light source from a single view. In this …
Robust point light source calibration method for near-field photometric stereo using feature points selection
L Ma, X Liu, Y Liu, X Pei, S Guo - Applied Optics, 2023 - opg.optica.org
In this paper, we present a robust method for nonisotropic point light source calibration
through feature points selection. By analyzing the relationship between the observed …
through feature points selection. By analyzing the relationship between the observed …
Point Light Measurement and Calibration for Photometric Stereo
Accurate measurement and calibration of the light position or the lighting direction is
essential for pixel-level 3-D reconstruction based on photometric stereo. Differing from …
essential for pixel-level 3-D reconstruction based on photometric stereo. Differing from …
Self-calibrating sparse far-field photometric stereo with collocated light
X Wang, ZX Jian, H Yuan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Photometric stereo is one common surface normal estimation technique, which can be
utilized for various industrial tasks such as 3-D surface detail reconstruction and defect …
utilized for various industrial tasks such as 3-D surface detail reconstruction and defect …
Symmetric-light photometric stereo
This paper presents symmetric-light photometric stereo for surface normal estimation, in
which directional lights are distributed symmetrically with respect to the optic center. Unlike …
which directional lights are distributed symmetrically with respect to the optic center. Unlike …