Symbol and character recognition: Application to engineering drawings

被引：40

作者：

Adam S. ^{[1
,3
]}

Ogier J.M. ^{[1
]}

Cariou C. ^{[2
]}

Mullot R. ^{[1
]}

Labiche J. ^{[1
]}

Gardes J. ^{[3
]}

机构：

[1] Laboratoire PSI, Université de Rouen

[2] LASTI-ENSSAT Lannion, 6, rue Kerampont, BP 447

[3] France Télécom, DVSI DES/MBL, 6, Avenue des Usines, BP 383

来源：

International Journal on Document Analysis and Recognition | 2000年 / 3卷 / 2期

关键词：

Character and symbol recognition; Engineering drawing; Feature extraction and classification; Invariant moments;

D O I：

10.1007/s100320000033

中图分类号：

学科分类号：

摘要：

In this paper, we consider the general problem of technical document interpretation, as applied to the documents of the French Telephonic Operator, France Télécom. More precisely, we focus the content of this paper on the computation of a new set of features allowing the classification of multioriented and multiscaled patterns. This set of invariants is based on the Fourier-Mellin Transform. The interests of this computation rely on the excellent classification rate obtained with this method and also on using this Fourier-Mellin transform within a "filtering mode", with which we can solve the well known difficult problem of connected character recognition. © 2000 Springer-Verlag Berlin Heidelberg.

引用

页码：89 / 101

页数：12

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