Low-Complexity Loeffler DCT Approximations for Image and Video Coding

This paper introduced a matrix parametrization method based on the Loeffler discrete cosine transform (DCT) algorithm. As a result, a new class of 8-point DCT approximations was proposed, capable of unifying the mathematical formalism of several 8-point DCT approximations archived in the literature....

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Detalhes bibliográficos
Main Authors: Diego F. G. Coelho, Renato J. Cintra, Fábio M. Bayer, Sunera Kulasekera, Arjuna Madanayake, Paulo Martinez, Thiago L. T. Silveira, Raíza S. Oliveira, Vassil S. Dimitrov
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI AG 2018-11-01
Colecção:Journal of Low Power Electronics and Applications
Assuntos:
discrete cosine transform
approximation
multicriteria optimization
image/video compression
Acesso em linha:https://www.mdpi.com/2079-9268/8/4/46
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