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Sign Language Recognition based on Subunits of manual signals and non-manual signals

Research Project

Project/Area Number 25350666
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionNagoya Institute of Technology

Principal Investigator

Kitamura Tadashi  名古屋工業大学, 工学(系)研究科(研究院), 教授 (60114865)

Co-Investigator(Kenkyū-buntansha) SAKO Shinji  名古屋工業大学, 大学院工学研究科, 助教 (30396791)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords手話認識 / 手指動作 / 非手指動作 / Kinect / Kinect v2 / 手話辞書 / 実時間手話認識 / 深度センサ
Outline of Final Research Achievements

A sign language consists of manual signals and non-manual signals. Manual signals convey the meaning of the word by three elements, e.g. the shapes, the movements and the positions of the hands. Non-manual signals such as facial expressions, head tilting etc. work to add grammatical functions.
We carried out recognition experiments for manual signals using database recorded by 2 persons, 223 words, twice. The results have shown that the recognition accuracies for 24 hand shapes, 8 positions, 40 movements, are 28.5%, 78.3%, 60.0% respectively. The word recognition accuracy rate was 33.8% using combination of weighted scores of each element. The recognition accuracy rate for top 10 was 79.7%. The recognition experiment of non-manual signals for 3 different motions of head tilting was performed. In the experiments 66 sentences were used for training the Hidden Markov Models of the motions. The recognition rate was 79% for 125 test sentences.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (11 results)

All 2016 2015 2014 2013

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Acknowledgement Compliant: 4 results) Presentation (7 results)

  • [Journal Article] Real-time Japanese sign language recognition based on three phonological elements of sign2016

    • Author(s)
      Mika Hatano, Shinji Sako, and Tadashi Kitamura
    • Journal Title

      HCII 2016 International Conference on Human-Computer Interaction

      Volume: 未定

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] 隠れマルコフモデルによる手話の音韻構造に基づいた自動手話認識2015

    • Author(s)
      酒向 慎司, 北村 正,
    • Journal Title

      日本福祉工学会論文誌

      Volume: 2 Pages: 2-7

    • NAID

      40020681092

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Contour-based Hand Pose Recognition for Sign Language Recognition2015

    • Author(s)
      Mika Hatano, Shinji Sako, and Tadashi Kitamura
    • Journal Title

      Proc. of 6th Workshop on Speech and Language Processing for Assistive Technologies

      Volume: オンライン版

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Using Kinect for Facial Expression Recognition under Varying Poses and Illumination2014

    • Author(s)
      F. Malawski, B. Kwolek, and S. Sako
    • Journal Title

      Active Media Technology Lecture Notes in Computer Science

      Volume: LNCS 8610 Pages: 395-406

    • DOI

      10.1007/978-3-319-09912-5_33

    • ISBN
      9783319099118, 9783319099125
    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] HMMを用いた手話の非手指信号の認識2016

    • Author(s)
      加藤 里奈, 酒向 慎司, 北村 正
    • Organizer
      電子情報通信学会2016年総合大会 学生ポスターセッション
    • Place of Presentation
      九州大学
    • Year and Date
      2016-03-16
    • Related Report
      2015 Annual Research Report
  • [Presentation] Kinect v2による手話動作の3要素に基づく実時間手話認識2016

    • Author(s)
      波多野 美歌, 酒向 慎司, 北村 正
    • Organizer
      電子情報通信学会研究会技術報告 福祉情報工学研究会(WIT)
    • Place of Presentation
      筑波技術大学 春日キャンパス 講堂
    • Year and Date
      2016-03-04
    • Related Report
      2015 Annual Research Report
  • [Presentation] 手話認識のための輪郭特徴を用いた手形状認識2015

    • Author(s)
      波多野 美歌, 酒向 慎司, 北村 正
    • Organizer
      電子情報通信学会研究会技術報告 福祉情報工学研究会(WIT)
    • Place of Presentation
      新潟大学駅南キャンパス
    • Year and Date
      2015-06-18
    • Related Report
      2015 Annual Research Report
  • [Presentation] 手話の音韻構造を考慮した手話認識における音韻重みの最適化2015

    • Author(s)
      杉 果穂, 酒向 慎司, 北村 正
    • Organizer
      電子情報通信学会2015年総合大会
    • Place of Presentation
      立命館大学
    • Year and Date
      2015-03-12
    • Related Report
      2014 Research-status Report
  • [Presentation] 手話動作の3要素に基づく実時間手話認識2014

    • Author(s)
      波多野 美歌, 酒向 慎司, 北村 正
    • Organizer
      電子情報通信学会研究会技術報告
    • Place of Presentation
      金沢近江町交流プラザ
    • Year and Date
      2014-06-19 – 2014-06-20
    • Related Report
      2014 Research-status Report
  • [Presentation] 手話動作の3要素に基づく実時間手話認識2014

    • Author(s)
      波多野美歌、酒向慎司、北村 正
    • Organizer
      電子情報通信学会 福祉情報工学研究会
    • Place of Presentation
      金沢
    • Related Report
      2013 Research-status Report
  • [Presentation] Subunit modeling for Japanese sign language recognition based on phonetically depend multi-stream hidden Markov models2013

    • Author(s)
      Shinji Sako, Tadashi Kitamura
    • Organizer
      15th International Conference on Human-Computer Interaction
    • Place of Presentation
      Las Vegas, Nevada, USA
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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