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Development of real environment character string recognition method that can handle curved character strings

Research Project

Project/Area Number 15K00258
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Perceptual information processing
Research InstitutionSasebo National College of Technology

Principal Investigator

SHIKU OSAMU  佐世保工業高等専門学校, 電子制御工学科, 教授 (00235516)

Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords文字認識 / 文字正規化 / カメラ入力 / 傾斜文字 / 傾斜補正 / 単文字 / 文字列 / 傾き補正
Outline of Final Research Achievements

We developed a character normalization method for camera based character recognition. In this method, the character normalization process is executed for each character candidates extracted from images. The details are as follows. (1) a part of the character string is taken out as a substring. (2) rotation and shear normalization are applied for the substring. (3) characters are extracted from the normalized substring. (4) shear and size normalization are applied for the extracted characters. We tested the proposed method for many images. The results show that the proposed method is more accuracy than a conventional method.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (10 results)

All 2017 2016 2015

All Journal Article (2 results) Presentation (8 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Character Normalization Method for Recognizing Slanted Characters2017

    • Author(s)
      志久 修、手島 裕詞、内田 誠一
    • Journal Title

      電子情報通信学会論文誌D 情報・システム

      Volume: J100-D Issue: 10 Pages: 902-906

    • DOI

      10.14923/transinfj.2017JDL8007

    • ISSN
      1880-4535, 1881-0225
    • Year and Date
      2017-10-01
    • Related Report
      2017 Annual Research Report
  • [Journal Article] 点群データの特徴量抽出2016

    • Author(s)
      手島 裕詞、志久 修、金谷孝之、西尾 孝治、小堀 研一
    • Journal Title

      日本設計工学会誌

      Volume: 52 Pages: 107-117

    • NAID

      130005125339

    • Related Report
      2015 Research-status Report
  • [Presentation] Counting Algorithm for Sequential Optical Images of Immunoreactive Mouse Taste-Bud Cells2016

    • Author(s)
      Tateno K, Shiku O, Ohtubo Y
    • Organizer
      3rd International Conference on Computational Methods in Engineering and Health Sciences(ICCMEH- 2016)
    • Place of Presentation
      Kitakyushu, Japan
    • Year and Date
      2016-12-18
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] カメラ入力文字認識のための文字正規化方法2016

    • Author(s)
      志久修,手島 裕詞
    • Organizer
      電気学会九州支部沖縄支所講演会
    • Place of Presentation
      琉球大学
    • Year and Date
      2016-12-11
    • Related Report
      2016 Research-status Report
  • [Presentation] 点群データを対象としたモルフォロジーフィルタの開発と検証2016

    • Author(s)
      手島裕詞,アタルサイハン・ガントゥグス,志久修,小堀研一
    • Organizer
      電気学会九州支部沖縄支所講演会
    • Place of Presentation
      琉球大学
    • Year and Date
      2016-12-11
    • Related Report
      2016 Research-status Report
  • [Presentation] 点群データの欠損検出とその高速化2016

    • Author(s)
      中尾亮,手島裕詞,志久修 ,小堀研一
    • Organizer
      電気学会九州支部沖縄支所講演会
    • Place of Presentation
      琉球大学
    • Year and Date
      2016-12-11
    • Related Report
      2016 Research-status Report
  • [Presentation] 2段階の正規化を用いた射影歪みを受けている文字列の認識2016

    • Author(s)
      志久修,林信吾,手島 裕詞
    • Organizer
      画像関連学会連合会第3回秋季大会, PC-10
    • Place of Presentation
      京都繊維大学
    • Year and Date
      2016-11-17
    • Related Report
      2016 Research-status Report
  • [Presentation] 画像処理によるツシマヤマネコの識別の基礎研究2015

    • Author(s)
      日和 武、志久 修、手島 裕詞
    • Organizer
      第23回電子情報通信学会九州支部 学生会講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2015-09-04
    • Related Report
      2015 Research-status Report
  • [Presentation] カメラで撮影した楽譜の認識2015

    • Author(s)
      山田 大輝、志久 修、手島 裕詞
    • Organizer
      第23回電子情報通信学会九州支部 学生会講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2015-09-04
    • Related Report
      2015 Research-status Report
  • [Presentation] ボクセルモデルにおける高速な濃度計算の一検討2015

    • Author(s)
      池口 順基、手島 裕詞、志久 修
    • Organizer
      第23回電子情報通信学会九州支部 学生会講演会
    • Place of Presentation
      福岡大学
    • Year and Date
      2015-09-04
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2019-03-29  

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