no code implementations • 14 Sep 2022 • Qiao Chen, Charalambos Poullis
Image-based 3D reconstruction is one of the most important tasks in Computer Vision with many solutions proposed over the last few decades.
no code implementations • 24 Jun 2022 • Qiao Chen, Charalambos Poullis
Variational optical flow techniques based on a coarse-to-fine scheme interpolate sparse matches and locally optimize an energy model conditioned on colour, gradient and smoothness, making them sensitive to noise in the sparse matches, deformations, and arbitrarily large displacements.
no code implementations • 23 Dec 2020 • Xiangmin Jiao, Xuebin Wang, Qiao Chen
However, it is significantly more challenging to construct optimal preconditioners for them compared to diagonally implicit RK (or DIRK) schemes.
Numerical Analysis Numerical Analysis Analysis of PDEs