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Resolution enhancement in digital holography with synthetic aperture processing

Research Project

Project/Area Number 19560345
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Electron device/Electronic equipment
Research InstitutionKagawa University

Principal Investigator

NAKAGAWA Kiyoshi  Kagawa University, 工学部, 教授 (50198032)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywordsセンシング / ホログラム / 合成開口処理 / 解像度 / ディジタルホログラム / 解像力
Research Abstract

従来の写真乾板を用いたホログラフィーに代わって、近年注目されているディジタルホログラフィに関する研究を行った. ディジタルホログフィーではイメージセンサの大きさの影響で、写真乾板を用いたホログラムより再生像の解像度が低下する欠点があった. そこで本研究では, 一つのシーンに付いて複数枚のホログラムを, 異なった観測位置から観測し, 個々のホログラムについて合成開口処理することで, 開口の大きなイメージセンサーで、ホログラムを観測した状態を擬似的に実現した

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (10 results)

All 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (8 results)

  • [Journal Article] Interrogation using bandpass filters with chirped fiber bragg grating for fiber bragg grating sensor2008

    • Author(s)
      Kiyoshi Nakagawa
    • Journal Title

      Jap. J. of Appl. Phys. 47,8

      Pages: 6838-6841

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Interrogation using bandpass filters with chirped fiber bragg gratings for fiber bragg grating sensor2008

    • Author(s)
      Kiyoshi Nakagawa
    • Journal Title

      Japanese Journal of Applied Physics 47

      Pages: 6838-6841

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Depth recovery in fringe projection profilometry with multi-layer neural network2008

    • Author(s)
      Takahiro Ohno, Kiyoshi Nakagawa
    • Organizer
      International Topical Meeting on Information Photonics 2008
    • Place of Presentation
      Awaji Yumebutai International Conference Center
    • Year and Date
      2008-11-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Analysis of curing process of urushi lacquer by digital speckle correlation2008

    • Author(s)
      Masataka Nagamatsu, Kouhei Mitani, Kiyoshi Nakagawa, Hideaki Shimizu
    • Organizer
      International Topical Meeting on Information Photonics 2008
    • Place of Presentation
      Awaji Yumebutai International Conference Center
    • Year and Date
      2008-11-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 階層型ニューラルネットワークを用いた縞解析による3次元形状計測2008

    • Author(s)
      大野崇浩、中川清
    • Organizer
      平成20年度電気関係学会四国支部連合大会
    • Place of Presentation
      徳島大学
    • Year and Date
      2008-09-27
    • Related Report
      2008 Final Research Report
  • [Presentation] スペックルパターンの相互相関を利用した漆の凝固過程の解析2008

    • Author(s)
      永松将貴、三谷光平、中川清、清水秀明
    • Organizer
      平成20年度電気関係学会四国支部連合大会
    • Place of Presentation
      徳島大学
    • Year and Date
      2008-09-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Interrogation of fiber grating sensor using bandpass filters with chirped fiber Bragg grating2007

    • Author(s)
      Kiyoshi Nakagawa
    • Organizer
      The Thirtenth Microoptics Conference
    • Place of Presentation
      Takamatsu
    • Year and Date
      2007-10-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] Interrogation of fiber bragg grating sensor using bandpass filters with chirped fiber bragg gratings2007

    • Author(s)
      Kiyoshi Nakagawa
    • Organizer
      The thirteenth microoptics conference
    • Place of Presentation
      Takamatsu
    • Year and Date
      2007-10-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 二方向からのパターン投影による三次元形状計測2007

    • Author(s)
      大野崇浩、中川清
    • Organizer
      平成19年度電気関係学会四国支部連合大会
    • Place of Presentation
      徳島大学
    • Year and Date
      2007-09-29
    • Related Report
      2008 Final Research Report
  • [Presentation] スペックル画像のフーリエ変換2007

    • Author(s)
      三谷光平、中川清、清水秀明
    • Organizer
      平成19年度電気関係学会四国支部連合大会
    • Place of Presentation
      徳島大学
    • Year and Date
      2007-09-29
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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