A VGA 30-fps Realtime Optical-Flow Processor Core for Moving Picture Recognition

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概要

• 論文の詳細を見る

• This paper describes an optical-flow processor core for real-time video recognition. The processor is based on the Pyramidal Lucas and Kanade (PLK) algorithm. It features a smaller chip area, higher pixel rate, and higher accuracy than conventional optical-flow processors. Introduction of search range limitation and the Carman filter to the original PLK algorithm improve the optical-flow accuracy, and reduce the processor hardware cost. Furthermore, window interleaving and window overlap methods reduces the necessary clock frequency of the processor by 70%, allowing low-power characteristics. We first verified the PLK algorithm and architecture with a proto-typed FPGA implementation. Then, we designed a VLSI processor that can handle a VGA 30-fps image sequence at a clock frequency of 332MHz. The core size and power consumption are estimated at 3.50×3.00mm2 and 600mW, respectively, in a 90-nm process technology.

• （社）電子情報通信学会の論文
• 2008-04-01

著者

• Miyama Masayuki

  Kanazawa University Graduate School Of Natural Science & Technology

• Miyama M

  Graduate School Of Natural Science And Technology Kanazawa University

• Yoshimoto Masahiko

  Mitsubishi Electric Corporation

• Kawaguchi Hiroshi

  Kobe Univ. Kobe‐shi Jpn

• Miyama Masayuki

  Kanazawa Univ. Kanazawa‐shi Jpn

• Morita Yasuhiro

  Department Of Computer Science And Systems Engineering Kobe University

• Yamamoto Ryo

  Kobe University

• MURACHI Yuichiro

  Kobe University

• FUKUYAMA Yuki

  Kobe University

• MIYAKOSHI Junichi

  Kobe University

• ISHIHARA Hajime

  Kanazawa University

• MATSUDA Yoshio

  Kanazawa University

• YOSHIMOTO Masahiko

  Kobe University

• MORITA Yasuhiro

  Kobe University

• Kawaguchi Hiroshi

  Department Of Computer Science And Systems Engineering Kobe University

• Yoshimoto Masahiko

  Department Of Computer Science And Systems Engineering Kobe University

• Yoshimoto Masahiko

  System Lsi Development Center Mitsubishi Electric Corporation

• Yoshimoto M

  Department Of Computer Science And Systems Engineering Kobe University

• Ishihara Hajime

  Kanazawa Univ. Kanazawa‐shi Jpn

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