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A Flexible Architecture for the Computation of Direct and Inverse Transforms in H.264/AVC Video Codecs

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Resumo:A new high throughput and scalable architecture for unified transform coding in H.264/AVC is proposed in this paper. Such flexible structure is capable of computing all the 4x4 and 2x2 transforms for Ultra High Definition Video (UHDV) applications (4320x7680@ 30fps) in real-time and with low hardware cost. These significantly high performance levels were proven with the implementation of several different configurations of the proposed structure using both FPGA and ASIC 90 nm technologies. In addition, such experimental evaluation also demonstrated the high area efficiency of theproposed architecture, which in terms of Data Throughput per Unit of Area (DTUA) is at least 1.5 times more efficient than its more prominent related designs(1).
Autores principais:Dias, Tiago
Outros Autores:Lopez, S.; Roma, N.; Sousa, L.
Assunto:Video Coding H.264/AVC Unified Transform Kernel Scalable Architecture Standard
Ano:2011
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade Politécnica de Lisboa
Idioma:inglês
Origem:Repositório Científico da Universidade Politécnica de Lisboa

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