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Enabling search over large collections of telugu document images : An automatic annotation based approach

Identifieur interne : 000311 ( PascalFrancis/Corpus ); précédent : 000310; suivant : 000312

Enabling search over large collections of telugu document images : An automatic annotation based approach

Auteurs : K. Pramod Sankar ; C. V. Jawahar

Source :

RBID : Pascal:07-0525710

Descripteurs français

English descriptors

Abstract

For the first time, search is enabled over a massive collection of 21 Million word images from digitized document images. This work advances the state-of-the-art on multiple fronts: i) Indian language document images are made searchable by textual queries, ii) interactive content-level access is provided to document images for search and retrieval, iii) a novel recognition-free approach, that does not require an OCR, is adapted and validated iv) a suite of image processing and pattern classification algorithms are proposed to efficiently automate the process and v) the scalability of the solution is demonstrated over a large collection of 500 digitised books consisting of 75,000 pages. Character recognition based approaches yield poor results for developing search engines for Indian language document images, due to the complexity of the script and the poor quality of the documents. Recognition free approaches, based on word-spotting, are not directly scalable to large collections, due to the computational complexity of matching images in the feature space. For example, if it requires 1 mSec to match two images, the retrieval of documents to a single query, from a large collection like ours, would require close to a day's time. In this paper we propose a novel automatic annotation based approach to provide textual description of document images. With a one time, offline computational effort, we are able to build a text-based retrieval system, over annotated images. This system has an interactive response time of about 0.01 second. However, we pay the price in the form of massive offline computation, which is performed on a cluster of 35 computers, for about a month. Our procedure is highly automatic, requiring minimal human intervention.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A09 01  1  ENG  @1 Computer vision, graphics and image processing : 5th Indian conference, ICVGIP 2006, Madurai, India, December 13-16, 2006 : proceedings
A11 01  1    @1 PRAMOD SANKAR (K.)
A11 02  1    @1 JAWAHAR (C. V.)
A12 01  1    @1 KALRA (Prem K.) @9 ed.
A12 02  1    @1 PELEG (Shmuel) @9 ed.
A14 01      @1 Centre for Visual Information Technology, International Institute of Information Technology @2 Hyderabad @3 IND @Z 1 aut. @Z 2 aut.
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C01 01    ENG  @0 For the first time, search is enabled over a massive collection of 21 Million word images from digitized document images. This work advances the state-of-the-art on multiple fronts: i) Indian language document images are made searchable by textual queries, ii) interactive content-level access is provided to document images for search and retrieval, iii) a novel recognition-free approach, that does not require an OCR, is adapted and validated iv) a suite of image processing and pattern classification algorithms are proposed to efficiently automate the process and v) the scalability of the solution is demonstrated over a large collection of 500 digitised books consisting of 75,000 pages. Character recognition based approaches yield poor results for developing search engines for Indian language document images, due to the complexity of the script and the poor quality of the documents. Recognition free approaches, based on word-spotting, are not directly scalable to large collections, due to the computational complexity of matching images in the feature space. For example, if it requires 1 mSec to match two images, the retrieval of documents to a single query, from a large collection like ours, would require close to a day's time. In this paper we propose a novel automatic annotation based approach to provide textual description of document images. With a one time, offline computational effort, we are able to build a text-based retrieval system, over annotated images. This system has an interactive response time of about 0.01 second. However, we pay the price in the form of massive offline computation, which is performed on a cluster of 35 computers, for about a month. Our procedure is highly automatic, requiring minimal human intervention.
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pR  
A30 01  1  ENG  @1 Indian Conference on Computer Vision Graphics and Image Processing @2 5 @3 Madurai IND @4 2006

Format Inist (serveur)

NO : PASCAL 07-0525710 INIST
ET : Enabling search over large collections of telugu document images : An automatic annotation based approach
AU : PRAMOD SANKAR (K.); JAWAHAR (C. V.); KALRA (Prem K.); PELEG (Shmuel)
AF : Centre for Visual Information Technology, International Institute of Information Technology/Hyderabad/Inde (1 aut., 2 aut.)
DT : Publication en série; Congrès; Niveau analytique
SO : Lecture notes in computer science; ISSN 0302-9743; Allemagne; Da. 2006; Vol. 4338; Pp. 837-848; Bibl. 23 ref.
LA : Anglais
EA : For the first time, search is enabled over a massive collection of 21 Million word images from digitized document images. This work advances the state-of-the-art on multiple fronts: i) Indian language document images are made searchable by textual queries, ii) interactive content-level access is provided to document images for search and retrieval, iii) a novel recognition-free approach, that does not require an OCR, is adapted and validated iv) a suite of image processing and pattern classification algorithms are proposed to efficiently automate the process and v) the scalability of the solution is demonstrated over a large collection of 500 digitised books consisting of 75,000 pages. Character recognition based approaches yield poor results for developing search engines for Indian language document images, due to the complexity of the script and the poor quality of the documents. Recognition free approaches, based on word-spotting, are not directly scalable to large collections, due to the computational complexity of matching images in the feature space. For example, if it requires 1 mSec to match two images, the retrieval of documents to a single query, from a large collection like ours, would require close to a day's time. In this paper we propose a novel automatic annotation based approach to provide textual description of document images. With a one time, offline computational effort, we are able to build a text-based retrieval system, over annotated images. This system has an interactive response time of about 0.01 second. However, we pay the price in the form of massive offline computation, which is performed on a cluster of 35 computers, for about a month. Our procedure is highly automatic, requiring minimal human intervention.
CC : 001D02C03; 001D02B07D; 001D02B04
FD : Vision ordinateur; Banque image; Traitement image; Texte; Accès document; Recherche information; Recherche image; Reconnaissance caractère; Reconnaissance optique caractère; Classification image; Classification forme; Extensibilité; Reconnaissance forme; Annotation; Temps recherche; Multilinguisme; Recherche par contenu; Réponse temporelle; Moteur recherche; Grappe calculateur
ED : Computer vision; Image databank; Image processing; Text; Document access; Information retrieval; Image retrieval; Character recognition; Optical character recognition; Image classification; Pattern classification; Scalability; Pattern recognition; Annotation; Search time; Multilingualism; Content-based retrieval; Time response; Search engine; Cluster computing
SD : Visión ordenador; Banco imagen; Procesamiento imagen; Texto; Acceso documento; Búsqueda información; Reconocimiento carácter; Reconocimento óptico de caracteres; Estensibilidad; Reconocimiento patrón; Anotación; Tiempo búsqueda; Multilingüismo; Respuesta temporal; Buscador; Racimo calculadura
LO : INIST-16343.354000153627190750
ID : 07-0525710

Links to Exploration step

Pascal:07-0525710

Le document en format XML

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<s0>Character recognition</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA">
<s0>Reconocimiento carácter</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Reconnaissance optique caractère</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Optical character recognition</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Reconocimento óptico de caracteres</s0>
<s5>13</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE">
<s0>Classification image</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG">
<s0>Image classification</s0>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE">
<s0>Classification forme</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG">
<s0>Pattern classification</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE">
<s0>Extensibilité</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG">
<s0>Scalability</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA">
<s0>Estensibilidad</s0>
<s5>16</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE">
<s0>Reconnaissance forme</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG">
<s0>Pattern recognition</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA">
<s0>Reconocimiento patrón</s0>
<s5>17</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE">
<s0>Annotation</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG">
<s0>Annotation</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA">
<s0>Anotación</s0>
<s5>18</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE">
<s0>Temps recherche</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG">
<s0>Search time</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA">
<s0>Tiempo búsqueda</s0>
<s5>19</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE">
<s0>Multilinguisme</s0>
<s5>20</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG">
<s0>Multilingualism</s0>
<s5>20</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA">
<s0>Multilingüismo</s0>
<s5>20</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE">
<s0>Recherche par contenu</s0>
<s5>21</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG">
<s0>Content-based retrieval</s0>
<s5>21</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE">
<s0>Réponse temporelle</s0>
<s5>22</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG">
<s0>Time response</s0>
<s5>22</s5>
</fC03>
<fC03 i1="18" i2="X" l="SPA">
<s0>Respuesta temporal</s0>
<s5>22</s5>
</fC03>
<fC03 i1="19" i2="X" l="FRE">
<s0>Moteur recherche</s0>
<s5>41</s5>
</fC03>
<fC03 i1="19" i2="X" l="ENG">
<s0>Search engine</s0>
<s5>41</s5>
</fC03>
<fC03 i1="19" i2="X" l="SPA">
<s0>Buscador</s0>
<s5>41</s5>
</fC03>
<fC03 i1="20" i2="X" l="FRE">
<s0>Grappe calculateur</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="20" i2="X" l="ENG">
<s0>Cluster computing</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="20" i2="X" l="SPA">
<s0>Racimo calculadura</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fN21>
<s1>344</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
<pR>
<fA30 i1="01" i2="1" l="ENG">
<s1>Indian Conference on Computer Vision Graphics and Image Processing</s1>
<s2>5</s2>
<s3>Madurai IND</s3>
<s4>2006</s4>
</fA30>
</pR>
</standard>
<server>
<NO>PASCAL 07-0525710 INIST</NO>
<ET>Enabling search over large collections of telugu document images : An automatic annotation based approach</ET>
<AU>PRAMOD SANKAR (K.); JAWAHAR (C. V.); KALRA (Prem K.); PELEG (Shmuel)</AU>
<AF>Centre for Visual Information Technology, International Institute of Information Technology/Hyderabad/Inde (1 aut., 2 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Lecture notes in computer science; ISSN 0302-9743; Allemagne; Da. 2006; Vol. 4338; Pp. 837-848; Bibl. 23 ref.</SO>
<LA>Anglais</LA>
<EA>For the first time, search is enabled over a massive collection of 21 Million word images from digitized document images. This work advances the state-of-the-art on multiple fronts: i) Indian language document images are made searchable by textual queries, ii) interactive content-level access is provided to document images for search and retrieval, iii) a novel recognition-free approach, that does not require an OCR, is adapted and validated iv) a suite of image processing and pattern classification algorithms are proposed to efficiently automate the process and v) the scalability of the solution is demonstrated over a large collection of 500 digitised books consisting of 75,000 pages. Character recognition based approaches yield poor results for developing search engines for Indian language document images, due to the complexity of the script and the poor quality of the documents. Recognition free approaches, based on word-spotting, are not directly scalable to large collections, due to the computational complexity of matching images in the feature space. For example, if it requires 1 mSec to match two images, the retrieval of documents to a single query, from a large collection like ours, would require close to a day's time. In this paper we propose a novel automatic annotation based approach to provide textual description of document images. With a one time, offline computational effort, we are able to build a text-based retrieval system, over annotated images. This system has an interactive response time of about 0.01 second. However, we pay the price in the form of massive offline computation, which is performed on a cluster of 35 computers, for about a month. Our procedure is highly automatic, requiring minimal human intervention.</EA>
<CC>001D02C03; 001D02B07D; 001D02B04</CC>
<FD>Vision ordinateur; Banque image; Traitement image; Texte; Accès document; Recherche information; Recherche image; Reconnaissance caractère; Reconnaissance optique caractère; Classification image; Classification forme; Extensibilité; Reconnaissance forme; Annotation; Temps recherche; Multilinguisme; Recherche par contenu; Réponse temporelle; Moteur recherche; Grappe calculateur</FD>
<ED>Computer vision; Image databank; Image processing; Text; Document access; Information retrieval; Image retrieval; Character recognition; Optical character recognition; Image classification; Pattern classification; Scalability; Pattern recognition; Annotation; Search time; Multilingualism; Content-based retrieval; Time response; Search engine; Cluster computing</ED>
<SD>Visión ordenador; Banco imagen; Procesamiento imagen; Texto; Acceso documento; Búsqueda información; Reconocimiento carácter; Reconocimento óptico de caracteres; Estensibilidad; Reconocimiento patrón; Anotación; Tiempo búsqueda; Multilingüismo; Respuesta temporal; Buscador; Racimo calculadura</SD>
<LO>INIST-16343.354000153627190750</LO>
<ID>07-0525710</ID>
</server>
</inist>
</record>

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