Image Restoration with Point Spread Function Regularization and Active Learning

no code implementations • 31 Oct 2023 • Peng Jia, Jiameng Lv, Runyu Ning, Yu Song, Nan Li, Kaifan Ji, Chenzhou Cui, Shanshan Li

Large-scale astronomical surveys can capture numerous images of celestial objects, including galaxies and nebulae.

Active Learning Image Restoration

Magneto-acoustic oscillations observed in a solar plage region

no code implementations • 28 Jan 2021 • Haisheng Ji, Parida Hashim, Zhenxiang Hong, Zhe Xu, Jinhua Shen, Kaifan Ji, Wenda Cao

All findings show that the magnetic perturbations are actually magneto-acoustic oscillations on the solar surface, the photosphere, powered by p-mode oscillations.

Solar and Stellar Astrophysics

A Subpixel Registration Algorithm for Low PSNR Images

no code implementations • 31 Mar 2018 • Song Feng, Linhua Deng, Guofeng Shu, Feng Wang, Hui Deng, Kaifan Ji

This paper presents a fast algorithm for obtaining high-accuracy subpixel translation of low PSNR images.

Translation