Chinese Optics Letters, 2016, 14 (12): 121501, Published Online: Aug. 2, 2018  

Deep-sky image live stacking via star descriptor Download: 782次

Author Affiliations
1 State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China
2 Computer Science Department, University of Southern California, 941 Bloom Walk, Los Angeles, CA 90089, USA
Abstract
Image registration is an old topic but has a new application in deep-sky imaging fields named live stacking. In this Letter, we propose a live stacking algorithm based on star detection, description, and matching. A thresholding method based on Otsu and centralization is proposed to implement star detection. Then, a translation and rotation invariant descriptor is proposed to provide accurate feature matching. Extensive experiments illustrate that our proposed method is feasible in deep-sky image live stacking.

Haiyang Zhou, Yunzhi Yu. Deep-sky image live stacking via star descriptor[J]. Chinese Optics Letters, 2016, 14(12): 121501.

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