A framework for improved video text detection and recognition
Identifieur interne : 000006 ( PascalFrancis/Corpus ); précédent : 000005; suivant : 000007A framework for improved video text detection and recognition
Auteurs : HAOJIN YANG ; Bernhard Quehl ; Harald SackSource :
- Multimedia tools and applications [ 1380-7501 ] ; 2014.
Descripteurs français
- Pascal (Inist)
- Signal vidéo, Reconnaissance caractère, Texte, Reconnaissance forme, Recherche information, Traitement image, Indexation, Vision ordinateur, Bibliothèque électronique, Vidéothèque, Collecticiel, Workflow, Sémantique, Processus métier, Rappel, Taux fausse alarme, Classification à vaste marge, Localisation, ..
English descriptors
- KwdEn :
Abstract
Text displayed in a video is an essential part for the high-level semantic information of the video content. Therefore, video text can be used as a valuable source for automated video indexing in digital video libraries. In this paper, we propose a workflow for video text detection and recognition. In the text detection stage, we have developed a fast localization-verification scheme, in which an edge-based multi-scale text detector first identifies potential text candidates with high recall rate. Then, detected candidate text lines are refined by using an image entropy-based filter. Finally, Stroke Width Transform (SWT) - and Support Vector Machine (SVM)-based verification procedures are applied to eliminate the false alarms. For text recognition, we have developed a novel skeleton-based binarization method in order to separate text from complex backgrounds to make it processible for standard OCR (Optical Character Recognition) software. Operability and accuracy of proposed text detection and binarization methods have been evaluated by using publicly available test data sets.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 14-0217177 INIST |
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ET : | A framework for improved video text detection and recognition |
AU : | HAOJIN YANG; QUEHL (Bernhard); SACK (Harald); TIAN (Jing); CHEN (Li) |
AF : | Hasso-Plattner-Institute for IT-Systems Engineering, University of Potsdam, Prof.-Dr.-Helmert Str. 2-4/14467 Potsdam/Allemagne (1 aut., 2 aut., 3 aut.); Institute for Infocomm Research/Singapore 138632/Singapour (1 aut.); Wuhan University of Science and Technology/Wuhan 430081/Chine (2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Multimedia tools and applications; ISSN 1380-7501; Allemagne; Da. 2014; Vol. 69; No. 1; Pp. 217-245; Bibl. 39 ref. |
LA : | Anglais |
EA : | Text displayed in a video is an essential part for the high-level semantic information of the video content. Therefore, video text can be used as a valuable source for automated video indexing in digital video libraries. In this paper, we propose a workflow for video text detection and recognition. In the text detection stage, we have developed a fast localization-verification scheme, in which an edge-based multi-scale text detector first identifies potential text candidates with high recall rate. Then, detected candidate text lines are refined by using an image entropy-based filter. Finally, Stroke Width Transform (SWT) - and Support Vector Machine (SVM)-based verification procedures are applied to eliminate the false alarms. For text recognition, we have developed a novel skeleton-based binarization method in order to separate text from complex backgrounds to make it processible for standard OCR (Optical Character Recognition) software. Operability and accuracy of proposed text detection and binarization methods have been evaluated by using publicly available test data sets. |
CC : | 001D02C03; 001D02C04; 001D02B07D; 001D02B07B |
FD : | Signal vidéo; Reconnaissance caractère; Texte; Reconnaissance forme; Recherche information; Traitement image; Indexation; Vision ordinateur; Bibliothèque électronique; Vidéothèque; Collecticiel; Workflow; Sémantique; Processus métier; Rappel; Taux fausse alarme; Classification à vaste marge; Localisation; . |
ED : | Video signal; Character recognition; Text; Pattern recognition; Information retrieval; Image processing; Indexing; Computer vision; Electronic library; Video library; Groupware; Workflow; Semantics; Business process; Recall; False alarm rate; Vector support machine; Localization |
SD : | Señal video; Reconocimiento carácter; Texto; Reconocimiento patrón; Búsqueda información; Procesamiento imagen; Indización; Visión ordenador; Biblioteca electronica; Videoteca; Groupware; Workflow; Semántica; Proceso oficio; Llamada; Porcentaje falsa alarma; Máquina ejemplo soporte; Localización |
LO : | INIST-28305.354000501881100100 |
ID : | 14-0217177 |
Links to Exploration step
Pascal:14-0217177Le document en format XML
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<front><div type="abstract" xml:lang="en">Text displayed in a video is an essential part for the high-level semantic information of the video content. Therefore, video text can be used as a valuable source for automated video indexing in digital video libraries. In this paper, we propose a workflow for video text detection and recognition. In the text detection stage, we have developed a fast localization-verification scheme, in which an edge-based multi-scale text detector first identifies potential text candidates with high recall rate. Then, detected candidate text lines are refined by using an image entropy-based filter. Finally, Stroke Width Transform (SWT) - and Support Vector Machine (SVM)-based verification procedures are applied to eliminate the false alarms. For text recognition, we have developed a novel skeleton-based binarization method in order to separate text from complex backgrounds to make it processible for standard OCR (Optical Character Recognition) software. Operability and accuracy of proposed text detection and binarization methods have been evaluated by using publicly available test data sets.</div>
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<ET>A framework for improved video text detection and recognition</ET>
<AU>HAOJIN YANG; QUEHL (Bernhard); SACK (Harald); TIAN (Jing); CHEN (Li)</AU>
<AF>Hasso-Plattner-Institute for IT-Systems Engineering, University of Potsdam, Prof.-Dr.-Helmert Str. 2-4/14467 Potsdam/Allemagne (1 aut., 2 aut., 3 aut.); Institute for Infocomm Research/Singapore 138632/Singapour (1 aut.); Wuhan University of Science and Technology/Wuhan 430081/Chine (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Multimedia tools and applications; ISSN 1380-7501; Allemagne; Da. 2014; Vol. 69; No. 1; Pp. 217-245; Bibl. 39 ref.</SO>
<LA>Anglais</LA>
<EA>Text displayed in a video is an essential part for the high-level semantic information of the video content. Therefore, video text can be used as a valuable source for automated video indexing in digital video libraries. In this paper, we propose a workflow for video text detection and recognition. In the text detection stage, we have developed a fast localization-verification scheme, in which an edge-based multi-scale text detector first identifies potential text candidates with high recall rate. Then, detected candidate text lines are refined by using an image entropy-based filter. Finally, Stroke Width Transform (SWT) - and Support Vector Machine (SVM)-based verification procedures are applied to eliminate the false alarms. For text recognition, we have developed a novel skeleton-based binarization method in order to separate text from complex backgrounds to make it processible for standard OCR (Optical Character Recognition) software. Operability and accuracy of proposed text detection and binarization methods have been evaluated by using publicly available test data sets.</EA>
<CC>001D02C03; 001D02C04; 001D02B07D; 001D02B07B</CC>
<FD>Signal vidéo; Reconnaissance caractère; Texte; Reconnaissance forme; Recherche information; Traitement image; Indexation; Vision ordinateur; Bibliothèque électronique; Vidéothèque; Collecticiel; Workflow; Sémantique; Processus métier; Rappel; Taux fausse alarme; Classification à vaste marge; Localisation; .</FD>
<ED>Video signal; Character recognition; Text; Pattern recognition; Information retrieval; Image processing; Indexing; Computer vision; Electronic library; Video library; Groupware; Workflow; Semantics; Business process; Recall; False alarm rate; Vector support machine; Localization</ED>
<SD>Señal video; Reconocimiento carácter; Texto; Reconocimiento patrón; Búsqueda información; Procesamiento imagen; Indización; Visión ordenador; Biblioteca electronica; Videoteca; Groupware; Workflow; Semántica; Proceso oficio; Llamada; Porcentaje falsa alarma; Máquina ejemplo soporte; Localización</SD>
<LO>INIST-28305.354000501881100100</LO>
<ID>14-0217177</ID>
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