Image resolution enhancement techniques for galaxy images
Zhan Li, Qingyu Peng, Yuling Chen, Qingfeng Zhang, Na Wang · AIP conference proceedings · 2018
To improve recognition probabilities of galaxies double-peak or multi-peak structures in observed astronomical images, this paper proposes a series of image processing techniques for enhancing the resolution of galaxy image sequences. Considering significant difference in common images and astronomical observations, we designed solutions for automatic star searching and matching, image registration, and image stacking to incorporate information in several galaxy images. Simulated image sequence and real observed CCD frames are used to test the proposed method. Experiments show that benefit from high-precision star centering and image registration, more details and sharper profiles of stars are gained and the image resolutions are improved.