Unified shape and svbrdf recovery using differentiable monte carlo rendering
Reconstructing the shape and appearance of real‐world objects using measured 2D images
has been a long‐standing inverse rendering problem. In this paper, we introduce a new …
has been a long‐standing inverse rendering problem. In this paper, we introduce a new …
Self-calibrating photometric stereo by neural inverse rendering
This paper tackles the task of uncalibrated photometric stereo for 3D object reconstruction,
where both the object shape, object reflectance, and lighting directions are unknown. This is …
where both the object shape, object reflectance, and lighting directions are unknown. This is …
Shape and material capture at home
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 …
using only a camera, flashlight, and optionally a tripod. We propose a simple data capture …
On joint estimation of pose, geometry and svbrdf from a handheld scanner
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 …
spatially-varying BRDF. The input to our approach is a sequence of RGB-D images captured …
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 …
A novel machine vision-based 3D facial action unit identification for fatigue detection
G Sikander, S Anwar - IEEE Transactions on Intelligent …, 2020 - ieeexplore.ieee.org
Fatigue has been attributed to traffic accident with higher fatality rate and causes severe
damage to the surroundings compared to accidents where drivers are alert. This study …
damage to the surroundings compared to accidents where drivers are alert. This study …
Unbiased photometric stereo for colored surfaces: A variational approach
Abstract 3D shape recovery using photometric stereo (PS) gained increasing attention in the
computer vision community in the last three decades due to its ability to recover the thinnest …
computer vision community in the last three decades due to its ability to recover the thinnest …
Photometric depth super-resolution
This study explores the use of photometric techniques (shape-from-shading and
uncalibrated photometric stereo) for upsampling the low-resolution depth map from an RGB …
uncalibrated photometric stereo) for upsampling the low-resolution depth map from an RGB …
Analysis and approximation of some shape-from-shading models for non-Lambertian surfaces
S Tozza, M Falcone - Journal of Mathematical Imaging and Vision, 2016 - Springer
The reconstruction of a 3D object or a scene is a classical inverse problem in Computer
Vision. In the case of a single image this is called the Shape-from-Shading (SfS) problem …
Vision. In the case of a single image this is called the Shape-from-Shading (SfS) problem …
An Adaptive Snake Based Shadow Segmentation for Robust Driver Fatigue Detection: A 3D Facial Feature based Photometric Stereo Perspective
Fatigue detection has many applications, one of them is intelligent transportation for
accident prevention. It is challenging to detect driver fatigue adopting photometric stereo and …
accident prevention. It is challenging to detect driver fatigue adopting photometric stereo and …