2 papers
astro-ph.IM2026
Aperture Photometric Accuracy of Point-spread-function-deconvolved Astronomical Images
Shen Zhang, Lei Wang, Yachong Diao +11
This paper introduces an improved Richardson--Lucy (RL) framework utilizing negative backfilling (NB) and the novel filtered image deconvolution and noise backfilling (FiDNoBa) alg…
astro-ph.IM2026
FiDeR: Denoising Astronomical Images at the Observational Resolution
Lei Wang, Bin Li, Lin Nie +4
We present Finite-iteration Deconvolution--Reconvolution Denoising (FiDeR), a method for reducing noise in astronomical images while retaining approximately the input point-spread…