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A gradient based fast search algorithm for warping motion compensation schemes

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3 Author(s)
Bradshaw, D.B. ; Dept. of Eng., Cambridge Univ., UK ; Kingsbury, N.G. ; Kokaram, A.C.

This paper describes a fast search algorithm for warping motion compensation schemes which is based on a first order approximation of a Taylor series. In comparison to a full search algorithm the technique significantly reduces the required computational load (by a factor of approximately fifty) whilst maintaining the performance in terms of prediction error. Further gains in prediction error performance are expected as the new algorithm is investigated further

Published in:

Image Processing, 1997. Proceedings., International Conference on  (Volume:3 )

Date of Conference:

26-29 Oct 1997