Shape from Shading under changing Illumination using a CNN

K Rate, R Green - … 38th International Conference on Image and …, 2023 - ieeexplore.ieee.org
This paper presents an alternative method to the classical yet foundational problem of
recovering the geometry of a 3D object from a single 2D brightness image, ie, shape-from …

Auto-augmentation with Differentiable Renderer for High-frequency Shape Recovery

K Tokieda, T Iwaguchi… - 2022 26th International …, 2022 - ieeexplore.ieee.org
We propose a technique to estimate a high-resolution depth image from a sparse depth
image captured by depth camera and a high-resolution shading image obtained by a RGB …

3D Reconstruction of Non-Lambertian Surfaces by Perspective Shape-From-Shading With Fast Viscosity Solution

G Wang, H Zheng - Frontiers in Physics, 2022 - frontiersin.org
Shape-from-shading (SFS) is an important method to reconstruct three-dimensional (3D)
shape of a surface in photometry and computer vision. Lambertian surface reflectance and …