no code implementations • 10 Mar 2023 • Nicholas Chimitt, Xingguang Zhang, Yiheng Chi, Stanley H. Chan
A spatially varying blur kernel $h(\mathbf{x},\mathbf{u})$ is specified by an input coordinate $\mathbf{u} \in \mathbb{R}^2$ and an output coordinate $\mathbf{x} \in \mathbb{R}^2$.
no code implementations • 13 Oct 2022 • Nicholas Chimitt, Xingguang Zhang, Zhiyuan Mao, Stanley H. Chan
We show that the cross-correlation of the Zernike modes has an insignificant contribution to the statistics of the random samples.
no code implementations • 13 Jul 2022 • Xingguang Zhang, Zhiyuan Mao, Nicholas Chimitt, Stanley H. Chan
The new data synthesis process enables the generation of large-scale multi-level turbulence and ground truth pairs for training.
1 code implementation • ICCV 2021 • Zhiyuan Mao, Nicholas Chimitt, Stanley H. Chan
Fast and accurate simulation of imaging through atmospheric turbulence is essential for developing turbulence mitigation algorithms.
no code implementations • 31 Aug 2020 • Zhiyuan Mao, Nicholas Chimitt, Stanley Chan
Ground based long-range passive imaging systems often suffer from degraded image quality due to a turbulent atmosphere.
no code implementations • 23 Apr 2020 • Nicholas Chimitt, Stanley H. Chan
Simulating atmospheric turbulence is an essential task for evaluating turbulence mitigation algorithms and training learning-based methods.
no code implementations • 17 May 2019 • Nicholas Chimitt, Zhiyuan Mao, Guanzhe Hong, Stanley H. Chan
We demonstrate how a simple prior can outperform state-of-the-art blind deconvolution methods.