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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2011, Vol. 8, No. 2, pp. 9-17

Automatic calculation of movement velocities of sea ice fields

A.I. Alexanin , M.G. Alexanina , A.Y. Karnatsky 
Institute of Automation and Control Processes FEB RAS, 690041 Vladivostok, st. Radio 5
An advanced method of maximum of cross-correlations for automatic calculation of sea ice movement on a set of NOA/AVHRR images is proposed. Improvement consists in the use of an aprioristic estimation of calculation accuracy. For this purpose the autocorrelation functions of brightness of two templates corresponded to a velocity estimated is analyzed. The testing realized has shown more high accuracy and productivity of the new method. A samples are considered of new method use for sea surface velocity estimations. The ways of the method improvement are considered too.
Keywords: automatic calculation of moving speed, aprioristic estimation of accuracy, fields of sea ice, maximum of cross-correlations
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