アラビア語ニュース映像中のテロップの認識

カテゴリ: 論文誌(論文単位)

グループ名: 【C】電子・情報・システム部門

発行日: 2016/12/01

タイトル(英語): Recognition of Telops in Arabic News Broadcasting

著者名: 岩田　聖也（三重大学大学院 工学研究科 情報工学専攻），大山　航（三重大学大学院 工学研究科 情報工学専攻），若林　哲史（三重大学大学院 工学研究科 情報工学専攻），木村　文隆（三重大学大学院 工学研究科 情報工学専攻）

著者名(英語): Seiya Iwata (Graduate School of Engineering, Mie University), Wataru Ohyama (Graduate School of Engineering, Mie University), Tetsushi Wakabayashi (Graduate School of Engineering, Mie University), Fumitaka Kimura (Graduate School of Engineering, Mie University)

キーワード: 光学文字認識，テロップ認識，アラビア語認識，コーミングノイズ，編集距離，流れテロップ接続　　OCR，Telop recognition，Arabic word recognition，Combing noise，Edit distance，Moving telop connection

要約(英語): The authors have conducted studies on Arabic telop recognition to develop a system for video retrieval by keyword to index and edit Arabic broadcast programs received daily and stored in a big database. This paper describes a dedicated OCR for recognizing low resolution telop in video images. A telop recognition system consisting of text line extraction, word segmentation and segmentation-recognition of words is developed and the performance was experimentally evaluated using datasets of frame images extracted from AlJazeera broadcasting programs. Character recognition of moving telop is difficult due to combing noise caused by the interlacing of scan-lines. A technique to detect and eliminate the combing noise to correctly recognize the moving telop is proposed. This paper also proposes a technique based on insertion operation with minimum edit distance between successive two telops to connect them. The method to connect the moving telops is necessary for automatic language translation. The proposed method using edit distance for bi-gram sequence of telops (Method-B) is shown to be robust to recognition error of characters and successfully connect the telops.

本誌: 電気学会論文誌C（電子・情報・システム部門誌） Vol.136 No.12 （2016） 特集Ⅰ：電気・電子・情報関係学会東海支部連合大会　特集Ⅱ：国際会議ACIS 2014/2015

本誌掲載ページ: 1668-1676 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/136/12/136_1668/_article/-char/ja/