Search Results for author: Xingguang Zhang

Found 8 papers, 3 papers with code

Spatio-Temporal Turbulence Mitigation: A Translational Perspective

1 code implementation8 Jan 2024 Xingguang Zhang, Nicholas Chimitt, Yiheng Chi, Zhiyuan Mao, Stanley H. Chan

Building upon the intuitions of classical TM algorithms, we present the Deep Atmospheric TUrbulence Mitigation network (DATUM).

Physics-Driven Turbulence Image Restoration with Stochastic Refinement

1 code implementation ICCV 2023 Ajay Jaiswal, Xingguang Zhang, Stanley H. Chan, Zhangyang Wang

Although fast and physics-grounded simulation tools have been introduced to help the deep-learning models adapt to real-world turbulence conditions recently, the training of such models only relies on the synthetic data and ground truth pairs.

Image Restoration

HDR Imaging with Spatially Varying Signal-to-Noise Ratios

no code implementations CVPR 2023 Yiheng Chi, Xingguang Zhang, Stanley H. Chan

For HDR imaging in photon-limited situations, the dynamic range can be enormous and the noise within one exposure is spatially varying.

Image Denoising

Scattering and Gathering for Spatially Varying Blurs

no code implementations10 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 $\mathbf{x} \in \mathbb{R}^2$.

Computational Efficiency Denoising

Real-Time Dense Field Phase-to-Space Simulation of Imaging through Atmospheric Turbulence

no code implementations13 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.

Imaging through the Atmosphere using Turbulence Mitigation Transformer

no code implementations13 Jul 2022 Xingguang Zhang, Zhiyuan Mao, Nicholas Chimitt, Stanley H. Chan

While existing deep-learning-based methods have demonstrated promising results in specific testing conditions, they suffer from three limitations: (1) lack of generalization capability from synthetic training data to real turbulence data; (2) failure to scale, hence causing memory and speed challenges when extending the idea to a large number of frames; (3) lack of a fast and accurate simulator to generate data for training neural networks.

Video Restoration

DESK: A Robotic Activity Dataset for Dexterous Surgical Skills Transfer to Medical Robots

1 code implementation3 Mar 2019 Naveen Madapana, Md Masudur Rahman, Natalia Sanchez-Tamayo, Mythra V. Balakuntala, Glebys Gonzalez, Jyothsna Padmakumar Bindu, L. N. Vishnunandan Venkatesh, Xingguang Zhang, Juan Barragan Noguera, Thomas Low, Richard Voyles, Yexiang Xue, Juan Wachs

It comprises a set of surgical robotic skills collected during a surgical training task using three robotic platforms: the Taurus II robot, Taurus II simulated robot, and the YuMi robot.

Robotics

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