Search Results for author: Qiao Chen

Found 3 papers, 0 papers with code

End-to-End Multi-View Structure-from-Motion with Hypercorrelation Volumes

no code implementations14 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.

3D Reconstruction Multi-View 3D Reconstruction

Motion Estimation for Large Displacements and Deformations

no code implementations24 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.

Graph Matching Motion Estimation +2

Optimal and Low-Memory Near-Optimal Preconditioning of Fully Implicit Runge-Kutta Schemes for Parabolic PDEs

no code implementations23 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

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