activity
20192023
most citedEuclid: Nonparametric point spread function field recovery through interpolation on a graph Laplacian

19 citations · 21 across the 5 of their papers we have counts for

collaborators

5 papers

eess.IV2023

A Novel Truncated Norm Regularization Method for Multi-channel Color Image Denoising

Yiwen Shan, Dong Hu, Zhi Wang

Due to the high flexibility and remarkable performance, low-rank approximation methods has been widely studied for color image denoising. However, those methods mostly ignore eithe…

cs.CV2022★ 1 cited

Multi-channel Nuclear Norm Minus Frobenius Norm Minimization for Color Image Denoising

Yiwen Shan, Dong Hu, Zhi Wang +1

Color image denoising is frequently encountered in various image processing and computer vision tasks. One traditional strategy is to convert the RGB image to a less correlated col…

cs.LG2021

NoisyCUR: An algorithm for two-cost budgeted matrix completion

Dong Hu, Alex Gittens, Malik Magdon-Ismail

Matrix completion is a ubiquitous tool in machine learning and data analysis. Most work in this area has focused on the number of observations necessary to obtain an accurate low-r…

math.NA2021★ 1 cited

Sparse graph based sketching for fast numerical linear algebra

Dong Hu, Shashanka Ubaru, Alex Gittens +3

In recent years, a variety of randomized constructions of sketching matrices have been devised, that have been used in fast algorithms for numerical linear algebra problems, such a…

astro-ph.IM2019★ 19 cited

Euclid: Nonparametric point spread function field recovery through interpolation on a graph Laplacian

M. A. Schmitz, J. -L. Starck, F. Ngole Mboula +35

Context. Future weak lensing surveys, such as the Euclid mission, will attempt to measure the shapes of billions of galaxies in order to derive cosmological information. These surv…