Correlation tracking algorithms for low-contrast extended object

Details Correlation tracking algorithms for low-contrast extended object Correlation tracking algorithms for low-contrast extended object

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4494..245r&link_type=abstract

Proc. SPIE Vol. 4494, p. 245-251, Adaptive Optics Systems and Technology II, Robert K. Tyson; Domenico Bonaccini; Michael C. Rog

Physics

Optics

1

Scientific paper

Based on the principle of correlation tracking algorithm, the effectiveness of Cross Correlation coefficient and Absolute Difference algorithms for the low contrast extended objects such as solar granulation and the sunspot is studied. The tilt signals computed by computer post- processing are presented for the successively acquired solar granulation images. Moreover, the contrasts of the long exposure images of the solar granulation and sunspot without and with tilt removal are compared.

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