Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/4844
Título: Unified transform architecture for AVC, AVS, VC-1 and HEVC high-performance codecs
Autor: Dias, Tiago
Roma, Nuno
Sousa, Leonel
Palavras-chave: Video Coding
Transform Architecture
Systolic Array
Data: Jul-2014
Editora: Springer International Publishing AG
Citação: DIAS, Tiago Miguel Braga da Silva; ROMA, Nuno; SOUSA, Leonel – Unified transform architecture for AVC, AVS, VC-1 and HEVC high-performance codecs. Eurasip Journal on Advances in Signal Processing. ISSN: 1687-6180. (2014), Art. nr. 108.
Relatório da Série N.º: 108
Resumo: A unified architecture for fast and efficient computation of the set of two-dimensional (2-D) transforms adopted by the most recent state-of-the-art digital video standards is presented in this paper. Contrasting to other designs with similar functionality, the presented architecture is supported on a scalable, modular and completely configurable processing structure. This flexible structure not only allows to easily reconfigure the architecture to support different transform kernels, but it also permits its resizing to efficiently support transforms of different orders (e. g. order-4, order-8, order-16 and order-32). Consequently, not only is it highly suitable to realize high-performance multi-standard transform cores, but it also offers highly efficient implementations of specialized processing structures addressing only a reduced subset of transforms that are used by a specific video standard. The experimental results that were obtained by prototyping several configurations of this processing structure in a Xilinx Virtex-7 FPGA show the superior performance and hardware efficiency levels provided by the proposed unified architecture for the implementation of transform cores for the Advanced Video Coding (AVC), Audio Video coding Standard (AVS), VC-1 and High Efficiency Video Coding (HEVC) standards. In addition, such results also demonstrate the ability of this processing structure to realize multi-standard transform cores supporting all the standards mentioned above and that are capable of processing the 8k Ultra High Definition Television (UHDTV) video format (7,680 x 4,320 at 30 fps) in real time.
Peer review: yes
URI: http://hdl.handle.net/10400.21/4844
ISSN: 1687-6180
Aparece nas colecções:ISEL - Eng. Elect. Tel. Comp. - Artigos

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