An Efficient Hardware Design for the VVC Prediction Refinement With Optical Flow

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Murilo R. Perleberg, Marcello M. Muñoz, Denis Maass, Vladimir Afonso, Luciano Agostini, Marcelo Schiavon Porto

Published: 2025, Last Modified: 27 Feb 2026IEEE Des. Test 2025EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Editor’s notes: This article introduces a dedicated hardware solution that integrates optical-flow-based prediction refinement into the VVC affine motion estimation process. The architecture can deliver real-time performance for 4K UHD video.—Ney Calazans, Federal University of Santa Catarina (UFSC), Brazil—Bruno Zatt, Federal University of Pelotas (UFPel), Brazil