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A novel architecture for high quality hand-printed character recognition

Identifieur interne : 000A31 ( PascalFrancis/Corpus ); précédent : 000A30; suivant : 000A32

A novel architecture for high quality hand-printed character recognition

Auteurs : Z. M. Kovacs-V.

Source :

RBID : Pascal:96-0026739

Descripteurs français

English descriptors

Abstract

A new architecture for statistical classification of hand-printed characters is presented. It is based on standard preprocessing and three feature types, containing geometrical information on the position of the pixels, on the contour orientation and on the bending points, respectively. Two feature vectors at a time are used as inputs to a multi-layer perceptron-based classifier, giving rise to three simple classifiers operating in parallel. The outputs of the three different classifiers are mixed by a final supervisor realized by a perceptron layer. The overall network has been trained using digits, upper and lower case letters of the NIST Special Database 3. Classification results of the NIST Test Data 1 are provided. The system has an error rate of 2.59% on the digits of NIST Test Data 1 at zero rejection rate, while it has 2.99 and 11.00% error rate on the upper and lower case letters, respectively.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0031-3203
A02 01      @0 PTNRA8
A03   1    @0 Pattern recogn.
A05       @2 28
A06       @2 11
A08 01  1  ENG  @1 A novel architecture for high quality hand-printed character recognition
A11 01  1    @1 KOVACS-V. (Z. M.)
A14 01      @1 Univ. Bologna, dip. elettronica informatica sistemistica @2 40136 Bologna @3 ITA
A20       @1 1685-1692
A21       @1 1995
A23 01      @0 ENG
A43 01      @1 INIST @2 15220 @5 354000058958920050
A44       @0 0000
A45       @0 20 ref.
A47 01  1    @0 96-0026739
A60       @1 P
A61       @0 A
A64 01  1    @0 Pattern recognition
A66 01      @0 GBR
C01 01    ENG  @0 A new architecture for statistical classification of hand-printed characters is presented. It is based on standard preprocessing and three feature types, containing geometrical information on the position of the pixels, on the contour orientation and on the bending points, respectively. Two feature vectors at a time are used as inputs to a multi-layer perceptron-based classifier, giving rise to three simple classifiers operating in parallel. The outputs of the three different classifiers are mixed by a final supervisor realized by a perceptron layer. The overall network has been trained using digits, upper and lower case letters of the NIST Special Database 3. Classification results of the NIST Test Data 1 are provided. The system has an error rate of 2.59% on the digits of NIST Test Data 1 at zero rejection rate, while it has 2.99 and 11.00% error rate on the upper and lower case letters, respectively.
C02 01  X    @0 001D02C03
C02 02  X    @0 001D02C06
C03 01  X  FRE  @0 Reconnaissance caractère @5 01
C03 01  X  ENG  @0 Character recognition @5 01
C03 01  X  SPA  @0 Reconocimiento carácter @5 01
C03 02  X  FRE  @0 Caractère imprimé @5 02
C03 02  X  ENG  @0 Printed character @5 02
C03 02  X  SPA  @0 Carácter impreso @5 02
C03 03  X  FRE  @0 Caractère manuscrit @5 03
C03 03  X  ENG  @0 Manuscript character @5 03
C03 03  X  SPA  @0 Carácter manuscrito @5 03
C03 04  X  FRE  @0 Classificateur @5 04
C03 04  X  ENG  @0 Classifier @5 04
C03 04  X  SPA  @0 Clasificador @5 04
C03 05  X  FRE  @0 Classification @5 05
C03 05  X  ENG  @0 Classification @5 05
C03 05  X  GER  @0 Klassifizierung @5 05
C03 05  X  SPA  @0 Clasificación @5 05
C03 06  X  FRE  @0 Taux erreur @5 06
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C03 10  X  ENG  @0 MLP @4 CD @5 97
N21       @1 001

Format Inist (serveur)

NO : PASCAL 96-0026739 INIST
ET : A novel architecture for high quality hand-printed character recognition
AU : KOVACS-V. (Z. M.)
AF : Univ. Bologna, dip. elettronica informatica sistemistica/40136 Bologna/Italie
DT : Publication en série; Niveau analytique
SO : Pattern recognition; ISSN 0031-3203; Coden PTNRA8; Royaume-Uni; Da. 1995; Vol. 28; No. 11; Pp. 1685-1692; Bibl. 20 ref.
LA : Anglais
EA : A new architecture for statistical classification of hand-printed characters is presented. It is based on standard preprocessing and three feature types, containing geometrical information on the position of the pixels, on the contour orientation and on the bending points, respectively. Two feature vectors at a time are used as inputs to a multi-layer perceptron-based classifier, giving rise to three simple classifiers operating in parallel. The outputs of the three different classifiers are mixed by a final supervisor realized by a perceptron layer. The overall network has been trained using digits, upper and lower case letters of the NIST Special Database 3. Classification results of the NIST Test Data 1 are provided. The system has an error rate of 2.59% on the digits of NIST Test Data 1 at zero rejection rate, while it has 2.99 and 11.00% error rate on the upper and lower case letters, respectively.
CC : 001D02C03; 001D02C06
FD : Reconnaissance caractère; Caractère imprimé; Caractère manuscrit; Classificateur; Classification; Taux erreur; Base donnée; Réseau neuronal; OCR; MLP
ED : Character recognition; Printed character; Manuscript character; Classifier; Classification; Error rate; Database; Neural network; OCR; MLP
GD : Klassifizierung
SD : Reconocimiento carácter; Carácter impreso; Carácter manuscrito; Clasificador; Clasificación; Indice error; Base dato; Red neuronal
LO : INIST-15220.354000058958920050
ID : 96-0026739

Links to Exploration step

Pascal:96-0026739

Le document en format XML

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