BR9703085B1 - dispositivo de processamento de imagem para filtrar dados de imagem digital, dispositivo de filtragem que provÊ uma pluralidade de filtros digitais bidimensionais, e, processo para implementar uma pluralidade de filtros digitais bidimensionais. - Google Patents

dispositivo de processamento de imagem para filtrar dados de imagem digital, dispositivo de filtragem que provÊ uma pluralidade de filtros digitais bidimensionais, e, processo para implementar uma pluralidade de filtros digitais bidimensionais.

Info

Publication number
BR9703085B1
BR9703085B1 BRPI9703085-6A BR9703085A BR9703085B1 BR 9703085 B1 BR9703085 B1 BR 9703085B1 BR 9703085 A BR9703085 A BR 9703085A BR 9703085 B1 BR9703085 B1 BR 9703085B1
Authority
BR
Brazil
Prior art keywords
filtering
dimensional digital
digital filters
implementing
image data
Prior art date
Application number
BRPI9703085-6A
Other languages
English (en)
Other versions
BR9703085A (pt
Inventor
Stuart A Schweid
Dawn M Williams
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 BR9703085A publication Critical patent/BR9703085A/pt
Publication of BR9703085B1 publication Critical patent/BR9703085B1/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
    • H04N1/40—Picture signal circuits
    • H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
BRPI9703085-6A 1996-05-08 1997-05-07 dispositivo de processamento de imagem para filtrar dados de imagem digital, dispositivo de filtragem que provÊ uma pluralidade de filtros digitais bidimensionais, e, processo para implementar uma pluralidade de filtros digitais bidimensionais. BR9703085B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/646,865 US5835630A (en) 1996-05-08 1996-05-08 Modular time-varying two-dimensional filter

Publications (2)

Publication Number Publication Date
BR9703085A BR9703085A (pt) 1998-09-22
BR9703085B1 true BR9703085B1 (pt) 2009-01-13

Family

ID=24594778

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9703085-6A BR9703085B1 (pt) 1996-05-08 1997-05-07 dispositivo de processamento de imagem para filtrar dados de imagem digital, dispositivo de filtragem que provÊ uma pluralidade de filtros digitais bidimensionais, e, processo para implementar uma pluralidade de filtros digitais bidimensionais.

Country Status (4)

Country Link
US (1) US5835630A (pt)
EP (1) EP0806864A3 (pt)
JP (1) JPH1074259A (pt)
BR (1) BR9703085B1 (pt)

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JP3274980B2 (ja) * 1997-03-03 2002-04-15 株式会社ケンウッド 二次元ビデオフィルタ及びビデオフィルタ装置
JPH10257328A (ja) * 1997-03-10 1998-09-25 Ricoh Co Ltd 画像処理装置
EP0896481B1 (de) * 1997-08-05 2006-08-23 Micronas Semiconductor Holding AG Adaptives Filter
JPH11129568A (ja) * 1997-11-04 1999-05-18 Fujitsu Ltd プリンタ
US6594399B1 (en) * 1998-05-14 2003-07-15 Sensar, Inc. Method and apparatus for integrating multiple 1-D filters into a digital image stream interface
US6429949B1 (en) 1998-10-15 2002-08-06 Electronics For Imaging, Inc. Low memory printer controller
US6519368B1 (en) * 2000-11-28 2003-02-11 Sony Corporation Resolution enhancement by nearest neighbor classified filtering
US8666172B2 (en) * 2001-03-29 2014-03-04 Intel Corporation Providing multiple symmetrical filters
US20030031264A1 (en) * 2001-08-07 2003-02-13 Barry John R. System and method for adaptive channel diagonalization for array-to-array wireless communications
JP4053345B2 (ja) * 2002-04-25 2008-02-27 シャープ株式会社 画像処理方法および画像処理装置、それを備える画像形成装置ならびにプログラムおよび記録媒体
US7218332B2 (en) * 2002-04-30 2007-05-15 Xerox Corporation Method and apparatus for windowing and image rendition
US7433084B2 (en) 2002-07-01 2008-10-07 Xerox Corporation Digital de-screening technique for scanned documents
EP1392047B1 (en) * 2002-08-22 2013-10-30 Samsung Electronics Co., Ltd. Digital document processing for image enhancement
EP1391866A1 (en) * 2002-08-23 2004-02-25 Deutsche Thomson Brandt Adaptive noise reduction for digital display panels
EP1463297A1 (de) * 2003-03-28 2004-09-29 Agfa-Gevaert AG Verfahren zum Belichten digitaler Bilddaten auf lichtempfindliches Material
CN1842821A (zh) * 2003-08-25 2006-10-04 皇家飞利浦电子股份有限公司 图像增强
US7471844B2 (en) * 2004-12-27 2008-12-30 Intel Corporation Method, apparatus and system for multi-feature programmable tap filter image processing
JP4115999B2 (ja) * 2005-01-11 2008-07-09 シャープ株式会社 画像処理装置、画像形成装置、画像読取処理装置、画像処理方法、画像処理プログラムおよびコンピュータ読み取り可能な記録媒体
JP4118886B2 (ja) * 2005-01-21 2008-07-16 シャープ株式会社 画像処理装置、画像形成装置、画像読取処理装置、画像処理方法、画像処理プログラムおよびコンピュータ読み取り可能な記録媒体
WO2007035144A1 (en) * 2005-09-22 2007-03-29 Obigo Ab Method and arrangement for digital filtering of images
EP1870836A1 (en) * 2006-06-22 2007-12-26 THOMSON Licensing Method and device to determine a descriptor for a signal representing a multimedia item, device for retrieving items in a database, device for classification of multimedia items in a database
FR2929431B1 (fr) * 2008-03-26 2010-12-03 Canon Kk Procede et dispositif de classification des echantillons representatifs d'un signal numerique d'image
JP4543109B2 (ja) * 2008-03-28 2010-09-15 シャープ株式会社 画像処理装置および画像形成装置
KR20120017521A (ko) 2010-08-19 2012-02-29 삼성전자주식회사 영상 고정밀화를 위한 고속 처리 필터링 장치 및 방법

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US4602285A (en) * 1983-04-08 1986-07-22 Ampex Corporation System and method for transforming and filtering a video image
JPS6054070A (ja) * 1983-09-02 1985-03-28 Nec Corp 演算装置
DE3484701D1 (de) * 1983-10-05 1991-07-18 Nec Corp Digitale signalverarbeitungseinrichtung mit einem digitalen filter.
JP2544326B2 (ja) * 1984-11-14 1996-10-16 ソニー株式会社 ディジタルフィルタ
US4667304A (en) * 1984-11-23 1987-05-19 Digivision, Inc. Real-time, localized enhancement of a video image using separable two-dimensional filters
GB2181318B (en) * 1985-10-04 1989-12-28 Sony Corp Two-dimensional finite impulse response filters
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JPH0225987A (ja) * 1988-07-15 1990-01-29 Fuji Xerox Co Ltd 画像処理集積回路装置
JPH0296473A (ja) * 1988-09-30 1990-04-09 Matsushita Graphic Commun Syst Inc 画信号処理装置
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US5068905A (en) * 1989-12-28 1991-11-26 Eastman Kodak Company Scaler gate array for scaling image data
US5151953A (en) * 1990-12-10 1992-09-29 Harris Corporation Single chip 2-D convolver
JPH04294466A (ja) * 1991-03-22 1992-10-19 Ricoh Co Ltd 画像処理装置
US5410619A (en) * 1991-09-03 1995-04-25 Ricoh Company, Ltd. Digital image processing apparatus for processing a variety of types of input image data
JP2857292B2 (ja) * 1991-12-18 1999-02-17 ゼロックス コーポレイション ２次元デジタルフィルタを実現するための装置

Also Published As

Publication number Publication date
BR9703085A (pt) 1998-09-22
JPH1074259A (ja) 1998-03-17
EP0806864A3 (en) 2000-07-05
EP0806864A2 (en) 1997-11-12
US5835630A (en) 1998-11-10

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 10/03/2009, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.