Scalable FPGA/ASIC Implementation Architecture for Parallel Table-Lookup-Coding Using Multi-Ported Content Addressable Memory(Image Processing and Video Processing)

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概要

• 論文の詳細を見る

• This paper presents a scalable FPGA/ASIC implementation architecture for high-speed parallel table-lookup-coding using multiported content addressable memory, aiming at facilitating effective table-lookup-coding solutions. The multi-ported CAM adopts a Flexible Multiported Content Addressable Memory (FMCAM) technology, which represents an effective parallel processing architecture and was previously reported in [1]. To achieve a high-speed parallel table-lookup-coding solution, FMCAM is improved by additional schemes for a single search mode and counting value setting mode, so that it permits fast parallel table-lookup-coding operations. Evaluation results for Huffman encoding within the JPEG application show that a synthesized semi-custom ASIC implementation of the proposed architecture can already reduce the required clock-cycle number by 93% in comparison to a conventional DSP. Furthermore, the performance per area unit, measured in MOPS/mm^2, can be improved by a factor of 3.8 in comparison to parallel operated DSPs. Consequently, the proposed architecture is very suitable for FPGA/ASIC implementation, and is a promising solution for small area integrated realization of real-time table-lookup-coding applications.

• 社団法人電子情報通信学会の論文
• 2007-01-01

著者

• Mattausch Hans

  Hiroshima Univ. Higashihiroshima‐shi Jpn

• Mattausch Hans

  Research Center For Nanodevices And Systems Hiroshima University

• Mattausch Hans

  Hiroshima University

• Mattausch Hans

  Research Institute For Nanodevice And Bio Systems Hiroshima University

• KOIDE Tetsushi

  Research Center for Nanodevices and Systems, Hiroshima University

• Kono Yutaka

  Research Center For Nanodevices And Systems Hiroshima University

• Koide Tetsushi

  Research Institute For Nanodevice And Bio Systems Hiroshima University

• Koide Tetsushi

  Hiroshima Univ. Higashihiroshima‐shi Jpn

• Koide Tetsushi

  Research Center For Nanodevices And Systems Hiroshima University

• KUMAKI Takeshi

  Research Institute for Nanodevice and Bio Systems, Hiroshima University

• ISHIZAKI Masakatsu

  Research Institute for Nanodevice and Bio Systems, Hiroshima University

• Ishizaki Masakatsu

  Research Institute For Nanodevice And Bio Systems Hiroshima University

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