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BR9905370A - Processo para aumentar os caracteres em uma imagem binária original de um documento - Google Patents

Processo para aumentar os caracteres em uma imagem binária original de um documento

Info

Publication number
BR9905370A
BR9905370A BR9905370-5A BR9905370A BR9905370A BR 9905370 A BR9905370 A BR 9905370A BR 9905370 A BR9905370 A BR 9905370A BR 9905370 A BR9905370 A BR 9905370A
Authority
BR
Brazil
Prior art keywords
image data
bank check
gray scale
original binary
binary image
Prior art date
Application number
BR9905370-5A
Other languages
English (en)
Inventor
Slawomir B Wesolkowski
Original Assignee
Ncr Int Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ncr Int Inc filed Critical Ncr Int Inc
Publication of BR9905370A publication Critical patent/BR9905370A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)

Abstract

"PROCESSO PARA AUMENTAR OS CARACTERES EM UMA IMAGEM BINáRIA ORIGINAL DE UM DOCUMENTO" Método para o processamento de um cheque de banco tendo um número de caractere no mesmo compreendendo as etapas de (a) digitalizar o cheque de banco; obter os dados de imagem de cor associados com o cheque de banco quando o cheque de banco é digitalizado, (c) obter os dados de imagem de escala de cinza associados com o cheque de banco com base nos dados de imagem de escala de cinza; (d) binarizar os dados de imagem de escala de cinza para proporcionar uma imagem binária original do cheque de banco, e (e) extrair a informação de caractere relevante a partir dos dados de imagem de escala de cinza para aumentar um caractere de baixa qualidade na imagem binária original do cheque de banco. Preferencialmente, os dados de imagem de escala de cinza são ilustrados para extrair a informação relevante a partir do mesmo, também, preferencialmente, os dados de imagem de cor são processados em um número de planos vetores diferentes para extrair a informação relevante a partir do mesmo, o número de plano vetor de cor sendo, preferencialmente, três planos vetores de cor diferentes incluindo um plano vetor de cor vermelho, plano vetor de cor verde e um plano vetor de cor azul.
BR9905370-5A 1998-11-18 1999-11-16 Processo para aumentar os caracteres em uma imagem binária original de um documento BR9905370A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19506098A 1998-11-18 1998-11-18

Publications (1)

Publication Number Publication Date
BR9905370A true BR9905370A (pt) 2000-09-05

Family

ID=22719898

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905370-5A BR9905370A (pt) 1998-11-18 1999-11-16 Processo para aumentar os caracteres em uma imagem binária original de um documento

Country Status (4)

Country Link
EP (1) EP1006476A2 (pt)
AU (1) AU5826299A (pt)
BR (1) BR9905370A (pt)
CA (1) CA2285110A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60138073D1 (de) 2000-07-12 2009-05-07 Canon Kk Bildverarbeitungsverfahren und Bildverarbeitungsvorrichtung
US7251061B2 (en) * 2002-10-31 2007-07-31 Hewlett-Packard Development Company, L.P. Resolution enhancement apparatus, systems, and methods
US20070253040A1 (en) * 2006-04-28 2007-11-01 Eastman Kodak Company Color scanning to enhance bitonal image
CN103839239A (zh) * 2014-02-28 2014-06-04 华南理工大学 一种电缆瓷套终端红外图像自适应去噪方法
CN110097046A (zh) * 2019-03-11 2019-08-06 上海肇观电子科技有限公司 一种文字检测方法及装置、设备和计算机可读存储介质
JP7607648B2 (ja) 2019-10-11 2024-12-27 スリーエム イノベイティブ プロパティズ カンパニー 関心要素を有する画像を前処理する装置及び方法

Also Published As

Publication number Publication date
CA2285110A1 (en) 2000-05-18
AU5826299A (en) 2000-05-25
EP1006476A2 (en) 2000-06-07

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]