OcrV1, Main, Merge, bibRecord, 002A33

Hardware design of a letter-driven OCR and document processing system

Identifieur interne : 002A33 ( Main/Merge ); précédent : 002A32; suivant : 002A34

Hardware design of a letter-driven OCR and document processing system

Auteurs : N. Bourbakis [États-Unis] ; N. Pereira ; S. Mertoguno

Source :

Journal of network and computer applications [ 1084-8045 ] ; 1996.

RBID : Pascal:96-0399157

Descripteurs français

Pascal (Inist)
- Reconnaissance caractère, Conception système, Caractère manuscrit, Caractère imprimé, Traitement caractère, Traitement document, Chaîne caractère, Scanneur, Segmentation, Stockage, Génération code, Base donnée, OCR.
Wicri :
- topic : Stockage, Base de données.

English descriptors

KwdEn :
- Character processing, Character recognition, Character string, Code generation, Database, Document processing, Manuscript character, OCR, Printed character, Scanner, Segmentation, Storage (materials), System design.

Abstract

In this paper the design of a letter-driven OCR and document processing system is presented. The system can scan, detect, extract and recognize text characters directly from a document. Instead of sending binary strings of '0s' and '1s' like conventional scanners to the host computer's memory (where software programs are used to recognize the characters), it sends only the ASCII code of recognized characters to the host computer. When it works as a document processing system, it saves in the main processor memory all the recognizable characters, which belong to the same word, and attempts a matching process with the contents of lexicon database. The system presented here consists of ten main parts : a focusing and zooming unit (FZ), segmentation and text binarization unit (STB), text sentences detection and paragraph synthesis unit (TSDPS), a raster scanner unit (RS), a horizontal and vertical projection unit (HVP), a character pre-processing circuit (CPC), a chain code generation unit (CCG), a line generator/recognizer unit (LGR), a graph generator unit (GG) and a matching processing unit (MP). Note that text characters to be recognized are scanned in through the focusing and zooming unit and the corresponding ASCII code of each recognized character is produced by the matching processor.

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000988
to stream PascalFrancis, to step Curation: 000A10
to stream PascalFrancis, to step Checkpoint: 000946

Links to Exploration step

Pascal:96-0399157

Le document en format XML

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<country>États-Unis</country>
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<author><name sortKey="Mertoguno, S" sort="Mertoguno, S" uniqKey="Mertoguno S" first="S." last="Mertoguno">S. Mertoguno</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Character processing</term>
<term>Character recognition</term>
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<term>Code generation</term>
<term>Database</term>
<term>Document processing</term>
<term>Manuscript character</term>
<term>OCR</term>
<term>Printed character</term>
<term>Scanner</term>
<term>Segmentation</term>
<term>Storage (materials)</term>
<term>System design</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Reconnaissance caractère</term>
<term>Conception système</term>
<term>Caractère manuscrit</term>
<term>Caractère imprimé</term>
<term>Traitement caractère</term>
<term>Traitement document</term>
<term>Chaîne caractère</term>
<term>Scanneur</term>
<term>Segmentation</term>
<term>Stockage</term>
<term>Génération code</term>
<term>Base donnée</term>
<term>OCR</term>
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<term>Base de données</term>
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<front><div type="abstract" xml:lang="en">In this paper the design of a letter-driven OCR and document processing system is presented. The system can scan, detect, extract and recognize text characters directly from a document. Instead of sending binary strings of '0s' and '1s' like conventional scanners to the host computer's memory (where software programs are used to recognize the characters), it sends only the ASCII code of recognized characters to the host computer. When it works as a document processing system, it saves in the main processor memory all the recognizable characters, which belong to the same word, and attempts a matching process with the contents of lexicon database. The system presented here consists of ten main parts : a focusing and zooming unit (FZ), segmentation and text binarization unit (STB), text sentences detection and paragraph synthesis unit (TSDPS), a raster scanner unit (RS), a horizontal and vertical projection unit (HVP), a character pre-processing circuit (CPC), a chain code generation unit (CCG), a line generator/recognizer unit (LGR), a graph generator unit (GG) and a matching processing unit (MP). Note that text characters to be recognized are scanned in through the focusing and zooming unit and the corresponding ASCII code of each recognized character is produced by the matching processor.</div>
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Hardware design of a letter-driven OCR and document processing system

Hardware design of a letter-driven OCR and document processing system

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri