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Simple High-Order Integer Cosine Transform for High-Resolution Video Coding

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Abstract

A matrix method is proposed for constructing a simple order-32 integer cosine transform. Based on the method, a one-norm simple order-32 integer transform is constructed and its fast algorithms of low computational complexity are developed that require only integer operations and whose computational complexity is 4.9 times less than that of well-known algorithms and is 21.6 times less than that of the standard H.265. This transform is close to the discrete cosine transform and has good coding performance.

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Authors and Affiliations

  1. V. M. Glushkov Institute of Cybernetics, National Academy of Sciences of Ukraine, Kyiv, Ukraine

    L. O. Hnativ

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  1. L. O. Hnativ
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Correspondence to L. O. Hnativ.

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Translated from Kibernetika i Sistemnyi Analiz, No. 3, May–June, 2018, pp. 166–177.

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Hnativ, L.O. Simple High-Order Integer Cosine Transform for High-Resolution Video Coding. Cybern Syst Anal 54, 490–501 (2018). https://doi.org/10.1007/s10559-018-0050-z

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