BR9901692B1 - método para remover ruìdo de fundo em um documento a ser reproduzido por uma copiadora e copiadora digital. - Google Patents

método para remover ruìdo de fundo em um documento a ser reproduzido por uma copiadora e copiadora digital.

Info

Publication number
BR9901692B1
BR9901692B1 BRPI9901692-3A BR9901692A BR9901692B1 BR 9901692 B1 BR9901692 B1 BR 9901692B1 BR 9901692 A BR9901692 A BR 9901692A BR 9901692 B1 BR9901692 B1 BR 9901692B1
Authority
BR
Brazil
Prior art keywords
copier
reproduced
document
background noise
removing background
Prior art date
Application number
BRPI9901692-3A
Other languages
English (en)
Other versions
BR9901692A (pt
Inventor
James L Ball
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 filed Critical
Publication of BR9901692A publication Critical patent/BR9901692A/pt
Publication of BR9901692B1 publication Critical patent/BR9901692B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Color Electrophotography (AREA)
BRPI9901692-3A 1998-06-01 1999-05-31 método para remover ruìdo de fundo em um documento a ser reproduzido por uma copiadora e copiadora digital. BR9901692B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/088,099 US6323957B1 (en) 1998-06-01 1998-06-01 Background noise removal for a low-cost digital color copier

Publications (2)

Publication Number Publication Date
BR9901692A BR9901692A (pt) 2000-08-15
BR9901692B1 true BR9901692B1 (pt) 2011-05-31

Family

ID=22209367

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9901692-3A BR9901692B1 (pt) 1998-06-01 1999-05-31 método para remover ruìdo de fundo em um documento a ser reproduzido por uma copiadora e copiadora digital.

Country Status (7)

Country Link
US (1) US6323957B1 (pt)
EP (1) EP0963106B1 (pt)
JP (1) JP4104783B2 (pt)
CN (1) CN1210942C (pt)
BR (1) BR9901692B1 (pt)
DE (1) DE69914669T2 (pt)
TW (1) TW432863B (pt)

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US7079686B2 (en) * 2002-08-20 2006-07-18 Lexmark International, Inc. Systems and methods for content-based document image enhancement
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US7430060B2 (en) * 2004-10-12 2008-09-30 Seiko Epson Corporation Fast low-memory paper color suppression algorithm
US7428331B2 (en) * 2004-11-30 2008-09-23 Seiko Epson Corporation Page background estimation using color, texture and edge features
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US7551334B2 (en) * 2005-07-20 2009-06-23 Xerox Corporation Background suppression method and apparatus
ATE507674T1 (de) * 2005-08-16 2011-05-15 Oce Tech Bv Umwandlungsmethode, apparat und computer-programm zur umwandlung eines digitalen bildes von einem scanner
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US7679786B2 (en) * 2006-09-06 2010-03-16 Eastman Kodak Company Color correction method
US8130417B2 (en) * 2007-06-14 2012-03-06 Samsung Electronics Co., Ltd Image processing apparatus and image processing method
JP4989444B2 (ja) * 2007-12-21 2012-08-01 キヤノン株式会社 画像読取装置、マルチファンクションプリンタ装置、及び画像処理方法
JP4933418B2 (ja) * 2007-12-21 2012-05-16 キヤノン株式会社 画像読取装置、マルチファンクションプリンタ装置、及び画像処理方法
US8243351B2 (en) * 2007-12-21 2012-08-14 Canon Kabushiki Kaisha Image reading apparatus, multifunction printer apparatus, and image processing method
US7843616B2 (en) * 2008-03-27 2010-11-30 Xerox Corporation Background suppression in a multi-function color scanning system
JP5439210B2 (ja) * 2010-02-01 2014-03-12 日立コンシューマエレクトロニクス株式会社 画像処理装置
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US11330149B1 (en) * 2021-01-15 2022-05-10 Konica Minolta Business Solutions U.S.A., Inc. Finding the page background color range

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Also Published As

Publication number Publication date
EP0963106B1 (en) 2004-02-11
DE69914669T2 (de) 2004-07-15
EP0963106A2 (en) 1999-12-08
JP4104783B2 (ja) 2008-06-18
BR9901692A (pt) 2000-08-15
US6323957B1 (en) 2001-11-27
CN1210942C (zh) 2005-07-13
DE69914669D1 (de) 2004-03-18
EP0963106A3 (en) 2002-05-22
JP2000050083A (ja) 2000-02-18
TW432863B (en) 2001-05-01
CN1237721A (zh) 1999-12-08

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Legal Events

Date Code Title Description
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 31/05/2011, OBSERVADAS AS CONDICOES LEGAIS.

B24B Patent annual fee: requirement for complementing annual fee

Free format text: CONFORME RESOLUCAO 124/06, O DEPOSITANTE DEVERA COMPLEMENTAR, DE ACORDO COM A TABELA VIGENTE, A RETRIBUICAO DA 13A ANUIDADE, REFERENTE A GUIA DE RECOLHIMENTO NO 92110554535-0 QUE FOI PAGA COM O VALOR REFERENTE A PEDIDO AO INVES DE PATENTE.

B24E Patent annual fee: resolution cancelled

Free format text: CABE SER ANULADO O DESPACHO PUBLICADO NA RPI 2128 DE 18/10/2011 ITEM 24.2 POR TER SIDO INDEVIDO.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)