3 papers
astro-ph.IM2026
An adaptive parameter optimization method for astronomical image alignment using Bayesian optimization. I. A hierarchical search strategy for FWHM and SNR
Yongjie Zhang, Yigong Zhang, Zhenjun Zhang +6
The alignment and stacking of astronomical images are fundamental steps for detecting faint objects and performing high?precision astrometry. In traditional alignment workflows, th…
astro-ph.IM2019
A fast point-pattern matching algorithm based on statistical method
Zhen-Jun Zhang, Yi-Gong Zhang, Xiang-Ming Cheng +2
We propose a new pattern-matching algorithm for matching CCD images to a stellar catalogue based statistical method in this paper. The method of constructing star pairs can greatly…
astro-ph.EP2018
CCD astrometric observations of 2017 VR12,Camillo and Midas
Zhenjun Zhang, Yigong Zhang, Xiangming Cheng +2
We have observed three near-Earth objects(NEOs), 2017VR12, Camillo, and Midas during the year 2018. The observations were made by the 1-m telescope of Yunnan Observatory over 2 nig…