Research on a User Interface to Make Scientific Documents in PDF Format Barrier-Free for Visually Disabled People

• Project/Area Number: 17300189
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Rehabilitation science/Welfare engineering
• Research Institution: Nihon University Junior College
• Principal Investigator: YAMAGUCHI Katsuhito Nihon University Junior College, 一般教育, 教授 (00182428)
• Co-Investigator(Kenkyū-buntansha): SUZUKI Masakazu 九州大学, 大学院・数理学研究院, 教授 (20112302) ; FUJIYOSHI Mamoru 大学入試センター, 名誉教授 (20190085) ; KAWANE Fukashi 日本大学短期大学部, 一般教育, 講師 (90234088) ; KOMADA Toshihiko 日本大学短期大学部, 基礎工学科, 助手 (30360316)
• Project Period (FY): 2005 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥16,370,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥1,770,000); Fiscal Year 2008: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2007: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2006: ¥3,100,000 (Direct Cost: ¥3,100,000); Fiscal Year 2005: ¥5,600,000 (Direct Cost: ¥5,600,000)
• Keywords: 視覚障害 / 点字 / 音声出力 / 数学 / PDF / バリアフリー / 触読図 / OCR

Research Abstract

本課題研究では,数式や図・表など特殊表記を多く含むPDF科学文書をバリアフリー化するための視覚障害者用インターフェースを研究開発した。このインターフェースはPDF科学文書の内容を解析・認識し,その結果を視覚障害者が利用可能な内部形式に変換して,それらを音声や点字として出力する。システムの操作を視覚障害者が行う上で必要なユーティリティや触読図製作用ソフトウェア,英語版インターフェースの製作等も行った。

Research Products

• [Journal Article] New Features in Math Accessibility with Infty Software (2008)
  • Author(s): K. Yamaguchi, T. Komada, F. Kawane and M. Suzuki
  • Journal Title: 11th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 5105 (Springer) Pages: 893-900
  • Peer Reviewed
• [Journal Article] The Development of a Universal Design Tactile Graphics Production System BPLOT2 (2008)
  • Author(s): M. Fujiyoshi, A. Fujiyoshi, N. Ohtake, K. Yamaguchi and Y. Teshima
  • Journal Title: 11th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 5105 (Springer) Pages: 940-947
  • Peer Reviewed
• [Journal Article] Braille-embedded tactile graphics editor with Infty system (2008)
  • Author(s): T. Kanahori, M. Naka and M. Suzuki
  • Journal Title: 11th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 5105 (Springer) Pages: 921-927
  • Peer Reviewed
• [Journal Article] New Features in Math Accessibility with Infty Software (2008)
  • Author(s): K. Yamaguchi, T. Komada, F. Kawane, M. Suzuki
  • Journal Title: 11th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 5105 Pages: 893-900
  • Peer Reviewed
• [Journal Article] The Development of a Universal Design Tactile Graphics Production System BPLOT2 (2008)
  • Author(s): M. Fujiyoshi, A. Fujiyoshi, N. Ohtake, K. Yamaguchi, Y. Teshima
  • Journal Title: 11th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 5105 Pages: 940-947
  • Peer Reviewed
• [Journal Article] Verification of Mathematical Formulae Based on a Combination of Context-Free Grammar and Tree Grammar (2008)
  • Author(s): A. Fujiyoshi, M. Suzuki, S. Uchida
  • Journal Title: 7th International Conference on Mathematical Knowledge Management, Lecture Notes in Artificial Intelligence 5144 Pages: 415-429
  • Peer Reviewed
• [Journal Article] PDF中のテキスト情報を利用した視覚障害者のための英文PDF科学技術文書読取りシステム (2007)
  • Author(s): 金堀 利洋,鈴木 昌和
  • Journal Title: 電子情報通信学会論文誌 D Vol. J90-D No.3 Pages: 706-714
  • NAID: 110007385872
  • Peer Reviewed
• [Journal Article] 数学文書点訳における文書構造処理インターフェイス (2007)
  • Author(s): 金堀 利洋, 仲 正幸, 鈴木 昌和
  • Journal Title: 電子情報通信学会技術研究報告 WIT2006-89 Pages: 1-6
  • NAID: 110006202239
• [Journal Article] 数学文書点訳における日本語分かち書き仮名変換処理 (2007)
  • Author(s): 橘 美紗, 鈴木 昌和
  • Journal Title: 電子情報通信学会技術研究報告 WIT2006-89 Pages: 7-11
  • NAID: 110006202240
• [Journal Article] ユニバーサル・デザインによる視覚障害者用触読図作図システムの開発 (2007)
  • Author(s): 藤芳 衛, 藤芳 明生, 大武 信之, 山口 雄仁
  • Journal Title: 電子情報通信学会技術研究報告 WIT2006(印刷中)
  • NAID: 110006249180
• [Journal Article] Scientific PDF Document Reader with Simple Interface for Visually Impaired People (2006)
  • Author(s): T. Kanahori and M. Suzuki
  • Journal Title: 10th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 4061 (Springer) Pages: 48-52
  • Peer Reviewed
• [Journal Article] Support Vector Machines for Mathematical Symbol Recognition Structural, Syntactic, and Statistical Pattern Recognition (2006)
  • Author(s): C. D. Malon, S. Uchida and M. Suzuki
  • Journal Title: Proc. Joint IAPR Workshop on SSPR2006 and SSPR2006, Hong Kong, China, Lecture Notes in Computer Sciences 410 Pages: 136-144
  • Peer Reviewed
• [Journal Article] A Structural Analysis of Mathematical Formulae with Verification based on Formula Description Grammar (2006)
  • Author(s): S. Toyota, S. Uchida and M. Suzuki
  • Journal Title: Proc. The 7th International Workshop DAS 2006, Nelson, New Zealand, Document Analysis Systems VII, Lecture Notes in Computer Sciences 3872 Pages: 153-163
  • Peer Reviewed
• [Journal Article] Capturing Abstract Matrices from Paper (2006)
  • Author(s): T.Kanahori, A.Sexton, V.Sorge, M.Suzuki
  • Journal Title: Mathematical Knowledge Management, Lecture Notes in Computer Science 4108 Pages: 124-138
• [Journal Article] New Environment for Visually Disabled Students to Access Scientific Information by Combining Speech Interface and Tactile Graphics (2006)
  • Author(s): T.Komada, K.Yamaguchi, F.Kawane, M.Suzuki
  • Journal Title: Computers Helping People with Special Needs, Lecture Notes in Computer Science 4061 Pages: 1183-1190
• [Journal Article] Scientific PDF Document Reader with Simple Interface for Visually Impaired People (2006)
  • Author(s): T.Kanahori, M.Suzuki
  • Journal Title: Computers Helping People with Special Needs, Lecture Notes in Computer Science 4061 Pages: 48-52
• [Journal Article] A Support Vector Machines for Mathematical Symbol Recognition (2006)
  • Author(s): C.Malon, S.Uchida, M.Suzuki
  • Journal Title: 電子情報通信学会技術研究報告(PRMU-2005-192) Vol.105,No614 Pages: 49-54
  • NAID: 110004662908
• [Journal Article] A Structural Analysis of Mathematical Formulae with Verification based on Formula Description Grammar (2006)
  • Author(s): S.Toyota, S.Uchida, M.Suzuki
  • Journal Title: Proceedings of the 7th International Workshop on Document Analysis Systems (DAS 2006), Nelson, New Zealand Lecture Notes in Computer Sciences 3872 Pages: 153-163
• [Journal Article] Quantitative Analysis of Mathematical Documents (2005)
  • Author(s): S. Uchida, A. Nomura and M. Suzuki
  • Journal Title: International Journal on Document Analysis and Recognition, Vol. 7, No. 4, Springer Pages: 211-218
  • NAID: 110003314232
  • Peer Reviewed
• [Journal Article] Mathematical knowledge browser with automatic hyperlink detection (2005)
  • Author(s): K. Nakagawa and M. Suzuki
  • Journal Title: 4th International Conference on Mathematical Knowledge Management (MKM 2005), Lecture Notes in Computer Sciences 3863 (Springer) Pages: 190-202
  • Peer Reviewed
• [Journal Article] 音声インターフェースと触覚ディスプレーを組み合わせた視覚障害者の新たな科学情報利用環境 (2005)
  • Author(s): 山口雄仁, 川根深, 駒田智彦, 鈴木昌和
  • Journal Title: 電子情報通信学会技術研究報告 WIT2005-45 Pages: 29-33
  • NAID: 110003497454
• [Journal Article] A Ground-Truthed Mathematical Character and Symbol Image Database (2005)
  • Author(s): M.Suzuki, S.Uchida, A.Nomura
  • Journal Title: Proceedings of 8th International Conference on Document Analysis and Recognition (ICDAR 2005), Seoul, Korea, Vol.2(IEEE Computer Society Press) Pages: 675-679
  • NAID: 10015557140
• [Journal Article] Mathematical knowledge browser with automatic hyperlink detection (2005)
  • Author(s): K.Nakagawa, M.Suzuki
  • Journal Title: 4th International Conference on Mathematical Knowledge Management, (MKM 2005), Bremen, Germany, Revised Selected Papers, Lecture Notes in Computer Sciences 3863 Pages: 190-202
• [Journal Article] Quantitative Analysis of Mathematical Documents (2005)
  • Author(s): S.Uchida, A.Nomura, M.Suzuki
  • Journal Title: International Journal on Document Analysis and Recognition(Springer) Vol.7,No.4 Pages: 211-218
  • NAID: 110003314232
• [Journal Article] New Environment for Visually Disabled Students to Access Scientific Information by Combining Speech Interface and Tactile Graphics
  • Author(s): T. Komada, K. Yamaguchi, F. Kawane and M. Suzuki
  • Journal Title: 10th International Conference on Computers Helping People with Special Needs, Lecture Notes in Computer Sciences 4061 (Springer)
• [Journal Article] New Features in Math Accessibility with Infty Software
  • Author(s): K.Yamaguchi, T.Komada, F.Kawane and M.Suzuki
  • Journal Title: ICCHP 2008, LNCS(Springer-Verlag) (未定)(掲載決定)
  • Peer Reviewed
• [Journal Article] The development of a Universal design tactile graphics Production System BPLOT2
  • Author(s): M.Fujiyoshi and A.Fujiyoshi
  • Journal Title: ICCHP 2008, LNCS(Springer-Verlag) (未定)(掲載決定)
  • Peer Reviewed
• [Journal Article] Mathematical symbol recognition with support vector machines
  • Author(s): C.Malon, S.Uchida and M.Suzuki
  • Journal Title: Pattern Recognition Letters (未定)(掲載決定)
  • Peer Reviewed
• [Presentation] Multilingual Support in Infty Software (2008)
  • Author(s): K. Yamaguchi and M. Suzuki
  • Organizer: Proc. Adaptive Content Processing Conference (ACP08)
  • Place of Presentation: Beurs van Berlage (Amsterdam)
  • Year and Date: 2008-11-06
• [Presentation] Math-Document Accessibility with InftyReader and ChattyInfty (2008)
  • Author(s): K. Yamaguchi and M. Suzuki
  • Organizer: Proc. The 23rd CSUN Conference
  • Place of Presentation: Los Angeles Airport Marriott Hotel (Los Angeles)
  • Year and Date: 2008-03-12
• [Presentation] Math-Document Accessibility with Infiny Reader and Chatty Infty (2008)
  • Author(s): K.Yamaguchi and M.Suzuki
  • Organizer: The 23rd CSUN Conference
  • Place of Presentation: Los Angeles
  • Year and Date: 2008-03-12
• [Presentation] Multilingual Support in Infty Software (2008)
  • Author(s): K. Yamaguchi, M. Suzuki
  • Organizer: Adaptive Content Processing Conference
  • Place of Presentation: Amsterdam
• [Presentation] 視覚障害者用触読図作図システムのユニバーサル・デザイン (2007)
  • Author(s): 藤芳 衛, 南谷 和範, 石田 透, 山口 雄仁
  • Organizer: 日本特殊教育学会第45回大会
  • Place of Presentation: 神戸国際会議揚
  • Year and Date: 2007-09-23
• [Presentation] ユニバーサル・デザインによる視覚障害者用触読図作図システムの開発 (2007)
  • Author(s): 藤芳 衛,藤芳 明生,大武 信之,山口 雄仁
  • Organizer: 電子情報通信学会信学技報(福祉情報工学研究会) (WIT2006-117 pp.73-78)
  • Place of Presentation: 中京大学(愛知)
  • Year and Date: 2007-03-27
• [Presentation] 数学文書点訳における文書構造処理インターフェイス (2007)
  • Author(s): 金堀 利洋,仲 正幸,鈴木 昌和
  • Organizer: 電子情報通信学会信学技報(福祉情報工学研究会) (WIT2006-89 pp.1-6)
  • Place of Presentation: 立命館大学(滋賀)
  • Year and Date: 2007-01-26
• [Presentation] 音声インターフェースと触覚ディスプレーを組み合わせた視覚障害者の新たな科学情報利用環境 (2005)
  • Author(s): 山口 雄仁,川根 深,駒田 智彦,鈴木 昌和
  • Organizer: 電子情報通信学会信学技報(福祉情報工学研究会) (WIT2005-45 pp.29-33)
  • Place of Presentation: 東京大学工学部(東京)
  • Year and Date: 2005-10-26