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.
© 2016 Chinese Laser Press
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