From Text Detection in Videos to Person Identification
Identifieur interne : 000226 ( Main/Exploration ); précédent : 000225; suivant : 000227From Text Detection in Videos to Person Identification
Auteurs : Johann Poignant [France] ; Laurent Besacier [France] ; Georges Quénot [France] ; Franck Thollard [France]Source :
Abstract
We present in this article a video OCR system that detects and recognizes overlaid texts in video as well as its application to person identification in video documents. We proceed in several steps. First, text detection and temporal tracking are performed. After adaptation of images to a standard OCR system, a final post-processing combines multiple transcriptions of the same text box. The semi-supervised adaptation of this system to a particular video type (video broadcast from a French TV) is proposed and evaluated. The system is efficient as it runs 3 times faster than real time (including the OCR step) on a desktop Linux box. Both text detection and recognition are evaluated individually and through a person recognition task where it is shown that the combination of OCR and audio (speaker) information can greatly improve the performances of a state of the art audio based person identification system.
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DOI: 10.1109/ICME.2012.119
Affiliations:
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Grenoble 1</orgName><orgName type="acronym">UJF</orgName><date type="end">2015-12-31</date><desc><address><addrLine>BP 53 - 38041 Grenoble Cedex 9</addrLine><country key="FR"></country></address><ref type="url">http://www.ujf-grenoble.fr/</ref></desc></org></tutelle><tutelle active="#struct-3886" type="indirect"><org type="institution" xml:id="struct-3886" status="OLD"><idno type="IdRef">02640432X</idno><orgName>Université Pierre Mendès France - Grenoble 2</orgName><orgName type="acronym">UPMF</orgName><date type="end">2015-12-31</date><desc><address><addrLine>BP 47 - 38040 Grenoble Cedex 9</addrLine><country key="FR"></country></address><ref type="url">http://www.upmf-grenoble.fr/</ref></desc></org></tutelle><tutelle name="UMR5217" active="#struct-441569" type="indirect"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="IdRef">02636817X</idno><idno type="ISNI">0000000122597504</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Grenoble</settlement><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region></placeName><orgName type="university">Université Joseph Fourier</orgName><orgName type="institution" wicri:auto="newGroup">Université de Grenoble</orgName></affiliation></author><author><name sortKey="Quenot, Georges" sort="Quenot, Georges" uniqKey="Quenot G" first="Georges" last="Quénot">Georges Quénot</name><affiliation wicri:level="1"><hal:affiliation type="researchteam" xml:id="struct-49640" status="VALID"><orgName> Modélisation et Recherche d’Information Multimédia [Grenoble]</orgName><orgName type="acronym">MRIM</orgName><desc><address><addrLine>110 av. de la Chimie - 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Grenoble 1</orgName><orgName type="acronym">UJF</orgName><date type="end">2015-12-31</date><desc><address><addrLine>BP 53 - 38041 Grenoble Cedex 9</addrLine><country key="FR"></country></address><ref type="url">http://www.ujf-grenoble.fr/</ref></desc></org></tutelle><tutelle active="#struct-300009" type="direct"><org type="institution" xml:id="struct-300009" status="VALID"><orgName>Institut National de Recherche en Informatique et en Automatique</orgName><orgName type="acronym">Inria</orgName><desc><address><addrLine>Domaine de VoluceauRocquencourt - BP 10578153 Le Chesnay Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.inria.fr/en/</ref></desc></org></tutelle><tutelle active="#struct-300275" type="direct"><org type="institution" xml:id="struct-300275" status="OLD"><idno type="IdRef">026388804</idno><orgName>Institut National Polytechnique de Grenoble </orgName><orgName type="acronym">INPG</orgName><date type="end">2006-12-31</date><desc><address><addrLine>46 avenue Félix Viallet 38031 Grenoble Cedex 1</addrLine><country key="FR"></country></address></desc></org></tutelle><tutelle name="UMR5217" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="IdRef">02636817X</idno><idno type="ISNI">0000000122597504</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Grenoble</settlement><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region></placeName><orgName type="university">Université Joseph Fourier</orgName><orgName type="institution" wicri:auto="newGroup">Université de Grenoble</orgName></affiliation></author><author><name sortKey="Thollard, Franck" sort="Thollard, Franck" uniqKey="Thollard F" first="Franck" last="Thollard">Franck Thollard</name><affiliation wicri:level="1"><hal:affiliation type="researchteam" xml:id="struct-49640" status="VALID"><orgName> Modélisation et Recherche d’Information Multimédia [Grenoble]</orgName><orgName type="acronym">MRIM</orgName><desc><address><addrLine>110 av. de la Chimie - 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Grenoble 1</orgName><orgName type="acronym">UJF</orgName><date type="end">2015-12-31</date><desc><address><addrLine>BP 53 - 38041 Grenoble Cedex 9</addrLine><country key="FR"></country></address><ref type="url">http://www.ujf-grenoble.fr/</ref></desc></org></tutelle><tutelle active="#struct-300009" type="direct"><org type="institution" xml:id="struct-300009" status="VALID"><orgName>Institut National de Recherche en Informatique et en Automatique</orgName><orgName type="acronym">Inria</orgName><desc><address><addrLine>Domaine de VoluceauRocquencourt - BP 10578153 Le Chesnay Cedex</addrLine><country key="FR"></country></address><ref type="url">http://www.inria.fr/en/</ref></desc></org></tutelle><tutelle active="#struct-300275" type="direct"><org type="institution" xml:id="struct-300275" status="OLD"><idno type="IdRef">026388804</idno><orgName>Institut National Polytechnique de Grenoble </orgName><orgName type="acronym">INPG</orgName><date type="end">2006-12-31</date><desc><address><addrLine>46 avenue Félix Viallet 38031 Grenoble Cedex 1</addrLine><country key="FR"></country></address></desc></org></tutelle><tutelle name="UMR5217" active="#struct-441569" type="direct"><org type="institution" xml:id="struct-441569" status="VALID"><idno type="IdRef">02636817X</idno><idno type="ISNI">0000000122597504</idno><orgName>Centre National de la Recherche Scientifique</orgName><orgName type="acronym">CNRS</orgName><date type="start">1939-10-19</date><desc><address><country key="FR"></country></address><ref type="url">http://www.cnrs.fr/</ref></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Grenoble</settlement><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region></placeName><orgName type="university">Université Joseph Fourier</orgName><orgName type="institution" wicri:auto="newGroup">Université de Grenoble</orgName></affiliation></author></analytic><idno type="DOI">10.1109/ICME.2012.119</idno></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="it"><term>Video OCR</term><term>person identification</term><term>semi-supervised parametrization</term><term>text detection</term><term>text recognition</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present in this article a video OCR system that detects and recognizes overlaid texts in video as well as its application to person identification in video documents. We proceed in several steps. First, text detection and temporal tracking are performed. After adaptation of images to a standard OCR system, a final post-processing combines multiple transcriptions of the same text box. The semi-supervised adaptation of this system to a particular video type (video broadcast from a French TV) is proposed and evaluated. The system is efficient as it runs 3 times faster than real time (including the OCR step) on a desktop Linux box. Both text detection and recognition are evaluated individually and through a person recognition task where it is shown that the combination of OCR and audio (speaker) information can greatly improve the performances of a state of the art audio based person identification system.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Grenoble</li></settlement><orgName><li>Université Joseph Fourier</li><li>Université de Grenoble</li></orgName></list><tree><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Poignant, Johann" sort="Poignant, Johann" uniqKey="Poignant J" first="Johann" last="Poignant">Johann Poignant</name></region><name sortKey="Besacier, Laurent" sort="Besacier, Laurent" uniqKey="Besacier L" first="Laurent" last="Besacier">Laurent Besacier</name><name sortKey="Quenot, Georges" sort="Quenot, Georges" uniqKey="Quenot G" first="Georges" last="Quénot">Georges Quénot</name><name sortKey="Thollard, Franck" sort="Thollard, Franck" uniqKey="Thollard F" first="Franck" last="Thollard">Franck Thollard</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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|texte= From Text Detection in Videos to Person Identification
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