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 …

Shape and material capture at home

D Lichy, J Wu, S Sengupta… - Proceedings of the …, 2021 - openaccess.thecvf.com
In this paper, we present a technique for estimating the geometry and reflectance of objects
using only a camera, flashlight, and optionally a tripod. We propose a simple data capture …

Shape from sky: Polarimetric normal recovery under the sky

T Ichikawa, M Purri, R Kawahara… - Proceedings of the …, 2021 - openaccess.thecvf.com
The sky exhibits a unique spatial polarization pattern by scattering the unpolarized sun light.
Just like insects use this unique angular pattern to navigate, we use it to map pixels to …

Calibration of position and orientation for point light source synchronously with single image in photometric stereo

L Ma, J Liu, X Pei, Y Hu, F Sun - Optics express, 2019 - opg.optica.org
In this paper, a calibration method for non-isotropic point light source is developed, which is
capable of calibrating position and orientation of the point light source with a single image …

Low-rank registration of images captured under unknown, varying lighting

M Pizenberg, Y Quéau, A Elmoataz - International Conference on Scale …, 2021 - Springer
Photometric stereo infers the 3D-shape of a surface from a sequence of images captured
under moving lighting and a static camera. However, in real-world scenarios the viewing …

On the well-posedness of uncalibrated photometric stereo under general lighting

M Brahimi, Y Quéau, B Haefner, D Cremers - Advances in Photometric 3D …, 2020 - Springer
Uncalibrated photometric stereo aims at estimating the 3D-shape of a surface, given a set of
images captured from the same viewing angle, but under unknown, varying illumination …

Photometric segmentation: Simultaneous photometric stereo and masking

B Haefner, Y Quéau, D Cremers - … International Conference on …, 2019 - ieeexplore.ieee.org
This work is concerned with both the 3D-reconstruction of an object using photometric
stereo, and its 2D-segmentation from the background. In contrast with previous works on …

Methods for Surface Understanding from Multi-Modal Imagery

M Purri - 2022 - search.proquest.com
A fundamental goal within the field of computer vision is to develop a system capable of
understanding all aspects of a given visual input. Since the (re) emergence of convolutional …

[PDF][PDF] 深度学**技术在光度立体三维重建中的应用

王国珲, 卢彦汀 - Laser & Optoelectronics Progress, 2023 - researching.cn
摘要光度立体三维(3D) 重建是机器视觉和光度学领域中研究的热点问题, 由于设备简单,
成本低廉, 分辨率高, 得到广泛的应用. **年来, 伴随着人工智能与深度学**技术的蓬勃发展 …

On the well-posedness of uncalibrated photometric stereo under general lighting

M Brahimi, Y Quéau, B Haefner, D Cremers - arxiv preprint arxiv …, 2019 - arxiv.org
Uncalibrated photometric stereo aims at estimating the 3D-shape of a surface, given a set of
images captured from the same viewing angle, but under unknown, varying illumination …