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Design of H.264/AVC CABAC Encoder with an Efficient Storage Reduction of Syntax Elements  

Kim, Yoon-Sup (School of Electronic Engineering, Soongsil University)
Moon, Jeon-Hak (School of Electronic Engineering, Soongsil University)
Lee, Seong-Soo (School of Electronic Engineering, Soongsil University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.47, no.4, 2010 , pp. 34-40 More about this Journal
Abstract
This paper proposes an efficient CABAC encoder to reduce syntax element storage in H.264/AVC entropy coding. In the proposed architecture, all blocks are designed in dedicated hardware, so it performs fast processing without programmable processors. Context modeler of CABAC encoder requires the neighbor block data. However it requires impractically huge memory size if the neighbor block data is directly stored without proper processing. Therefore, this paper proposes an effective method of storing the neighbor block data to decrease memory size. The proposed CABAC encoder has 35,463 gates in 0.18um standard cell library. It operates at maximum speed of 180MHz and its throughput is about 1 cycle per input symbol.
Keywords
video coding; H.264/AVC; entropy coding; CABAC; binary arithmetic coding;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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