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7 September 2010 Efficient large size transforms for high-performance video coding
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Abstract
This paper describes design of transforms for extended block sizes for video coding. The proposed transforms are orthogonal integer transforms, based on a simple recursive factorization structure, and allow very compact and efficient implementations. We discuss techniques used for finding integer and scale factors in these transforms, and describe our final design. We evaluate efficiency of our proposed transforms in VCEG's H.265/JMKTA framework, and show that they achieve nearly identical performance compared to much more complex transforms in the current test model.
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Rajan Joshi, Yuriy A. Reznik, and Marta Karczewicz "Efficient large size transforms for high-performance video coding", Proc. SPIE 7798, Applications of Digital Image Processing XXXIII, 77980W (7 September 2010); https://doi.org/10.1117/12.862250
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