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Ohra Ryuji  大浦 龍二

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大浦 龍二  オオウラ リュウジ

OHURA Ryuji  大浦 龍二

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Researcher Number 30781075
Other IDs
Affiliation (Current) 2025: 佐世保工業高等専門学校, 基幹教育科, 准教授
Affiliation (based on the past Project Information) *help 2023: 佐世保工業高等専門学校, 基幹教育科, 准教授
2021 – 2022: 佐世保工業高等専門学校, 基幹教育科, 講師
2016 – 2017: 佐世保工業高等専門学校, 一般科目, 講師
Review Section/Research Field
Principal Investigator
Basic Section 60070:Information security-related / Perceptual information processing
Keywords
Principal Investigator
ウェーブレット変換 / 区間演算 / 電子透かし / 画像認証 / コンテンツ保護 / リフティングウェーブレット / 画像復元 / 画像の真正性 / ロスレス電子透かし / 改ざん検知 … More / 画像解析 / 応用数学 / 情報工学 / リフティングスキーム / フラクタル次元 / 医用画像解析 / ウェーブレット解析 Less
  • Research Projects

    (2 results)
  • Research Products

    (2 results)
  • Co-Researchers

    (1 People)
  •  A lossless digital image watermarking based on lifting wavelet transformPrincipal Investigator

    • Principal Investigator
      大浦 龍二
    • Project Period (FY)
      2021 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 60070:Information security-related
    • Research Institution
      Sasebo National College of Technology
  •  Digital image watermarking for authentication based on the lifting wavelet transformPrincipal Investigator

    • Principal Investigator
      OHURA Ryuji
    • Project Period (FY)
      2016 – 2017
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Research Field
      Perceptual information processing
    • Research Institution
      Sasebo National College of Technology

All 2021

All Journal Article Presentation

  • [Journal Article] Watermarking Technique by Combining Lifting Scheme and Dual-Tree Complex Discrete Wavelet Transform2021

    • Author(s)
      Taketo Kawashima, Hiroyasu Hamada, Ryuji Ohura
    • Journal Title

      International Symposium on Innovative Engineering 2021 (ISIE2021) Proceeding

      Volume: - Pages: 303-310

    • Open Access
    • Data Source
      KAKENHI-PROJECT-21K17744
  • [Presentation] Watermarking Technique by Combining Lifting Scheme and Dual-Tree Complex Discrete Wavelet Transform2021

    • Author(s)
      Taketo Kawashima, Hiroyasu Hamada, Ryuji Ohura
    • Organizer
      International Symposium on Innovative Engineering 2021 (ISIE2021)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K17744
  • 1.  MINAMOTO Teruya (00294900)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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