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Multiconstraint Wiener-based motion compensation using wavelet pyramids

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2 Author(s)
Baaziz, N. ; Visual Commun. Group, INRS Telecommunications, Verdun, Que., Canada ; Labit, C.

We have investigated an original motion estimation method that exploits several frequency subbands of wavelet pyramids using a multigrid-multiconstraint strategy. A recursive and iterative solution based on the Wiener approach allows to take into account the reconstruction quality criterion that is crucial to image coding. Experiments show its performances in terms of compression ratio, reconstruction quality, and reduction of implementation complexity compared to a monoresolution case

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Image Processing, IEEE Transactions on  (Volume:3 ,  Issue: 5 )