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Estimation of sub-pixel motion using gradient cross-correlation

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2 Author(s)
Argyriou, V. ; Sch. of Electron. & Phys. Sci., Univ. of Surrey, Guildford, UK ; Vlachos, T.

A computationally efficient scheme suitable for the estimation of sub-pixel motion in video sequences is presented. The scheme is based on the maximisation of the cross-correlation function between spatial gradient information derived from a pair of images. The proposed scheme is highly accurate, outperforms established frequency-domain motion estimation methods and is considerably more immune to noise.

Published in:

Electronics Letters  (Volume:39 ,  Issue: 13 )