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Minimally non-linear integer wavelets for image coding


Author(s) : Gabriella Olmo Enrico Magli Marco Grangetto, 
Publisher : N/A
Publication Date : 2000
ISSN : N/A
Abstract : In this paper we deal with the problem of finding high performance factorizations of wavelet filters to be employed within the Lifting Scheme framework to yield the Integer Wavelet Transform (IWT). A method is proposed, based on the search for the factorization yielding the minimally non-linear iterated graphic function. Results are reported, referring to a set of popular wavelet filters, which show that the obtained implementations lead to IWTs achieving very satisfactory results for both lossy and lossless image compression.,