JPH10214339A - 画像の濾波方法 - Google Patents

画像の濾波方法

Info

Publication number
JPH10214339A
JPH10214339A JP9355626A JP35562697A JPH10214339A JP H10214339 A JPH10214339 A JP H10214339A JP 9355626 A JP9355626 A JP 9355626A JP 35562697 A JP35562697 A JP 35562697A JP H10214339 A JPH10214339 A JP H10214339A
Authority
JP
Japan
Prior art keywords
image
picture
pixel
luminance
filter
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP9355626A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10214339A5 (https=
Inventor
Patricia D Lopez
パトリシア・ディー・ロペス
Hansen Hal
ハル・ハンセン
P Lee Jeffrey
ジェフリー・ピー・リー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH10214339A publication Critical patent/JPH10214339A/ja
Publication of JPH10214339A5 publication Critical patent/JPH10214339A5/ja
Pending legal-status Critical Current

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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP9355626A 1996-12-27 1997-12-24 画像の濾波方法 Pending JPH10214339A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US773,428 1996-12-27
US08/773,428 US5822467A (en) 1996-12-27 1996-12-27 Sharpening filter for images with automatic adaptation to image type

Publications (2)

Publication Number Publication Date
JPH10214339A true JPH10214339A (ja) 1998-08-11
JPH10214339A5 JPH10214339A5 (https=) 2005-07-21

Family

ID=25098230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9355626A Pending JPH10214339A (ja) 1996-12-27 1997-12-24 画像の濾波方法

Country Status (4)

Country Link
US (1) US5822467A (https=)
EP (1) EP0851666B1 (https=)
JP (1) JPH10214339A (https=)
DE (1) DE69726702T2 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005536770A (ja) * 2002-08-23 2005-12-02 トムソン ライセンシング ディジタル表示パネルのための適応型ノイズ抑制方法及び装置
KR100825342B1 (ko) * 2001-10-10 2008-04-28 가부시끼가이샤 히다치 세이사꾸쇼 컬러 화상 표시장치

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6954287B1 (en) * 1999-11-05 2005-10-11 Xerox Corporation Gamut mapping preserving local luminance differences with adaptive spatial filtering
US6804408B1 (en) * 1999-12-22 2004-10-12 Eastman Kodak Company Method for enhancing a digital image with noise-dependent control of texture
US6807313B1 (en) * 2000-02-23 2004-10-19 Oak Technology, Inc. Method of adaptively enhancing a digital image
US6721458B1 (en) * 2000-04-14 2004-04-13 Seiko Epson Corporation Artifact reduction using adaptive nonlinear filters
US7003173B2 (en) * 2001-06-12 2006-02-21 Sharp Laboratories Of America, Inc. Filter for combined de-ringing and edge sharpening
US20030020933A1 (en) * 2001-07-24 2003-01-30 Youngers Kevin J. Method and apparatus for reducing inaccuracies when processing color data with a matrix
US7228004B2 (en) 2002-09-05 2007-06-05 Eastman Kodak Company Method for sharpening a digital image
US7532363B2 (en) * 2003-07-01 2009-05-12 Xerox Corporation Apparatus and methods for de-screening scanned documents
JP2005141477A (ja) * 2003-11-06 2005-06-02 Noritsu Koki Co Ltd 画像鮮鋭化処理方法とこの方法を実施する画像処理装置
US7430336B2 (en) * 2004-05-06 2008-09-30 Qualcomm Incorporated Method and apparatus for image enhancement for low bit rate video compression
US7697782B2 (en) * 2004-09-16 2010-04-13 Sharp Laboratories Of America, Inc. System for reducing ringing artifacts
US8306366B2 (en) * 2007-08-23 2012-11-06 Samsung Electronics Co., Ltd. Method and apparatus for extracting feature points from digital image
JP4683343B2 (ja) * 2007-12-27 2011-05-18 株式会社 日立ディスプレイズ 色信号生成装置
US10123050B2 (en) * 2008-07-11 2018-11-06 Qualcomm Incorporated Filtering video data using a plurality of filters
JP2018000644A (ja) * 2016-07-04 2018-01-11 Hoya株式会社 画像処理装置及び電子内視鏡システム
EP4083874B1 (en) 2021-03-04 2025-12-31 Samsung Electronics Co., Ltd. IMAGE PROCESSING DEVICE AND ITS OPERATING METHOD

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177795A (en) * 1985-11-05 1993-01-05 Canon Kabushiki Kaisha Image processing apparatus
US5091925A (en) * 1990-01-18 1992-02-25 Siemens Aktiengesellschaft X-ray diagnostics installation with spatial frequency filtering
US5485534A (en) * 1990-03-28 1996-01-16 Fuji Photo Film Co., Ltd. Method and apparatus for emphasizing sharpness of image by detecting the edge portions of the image
NL9100275A (nl) * 1991-02-18 1992-09-16 Oce Nederland Bv Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem.
JPH04294466A (ja) * 1991-03-22 1992-10-19 Ricoh Co Ltd 画像処理装置
KR100206267B1 (ko) * 1991-08-20 1999-07-01 윤종용 화상처리장치의 화상데이타 경계성분 강조회로
EP0531904A3 (en) * 1991-09-10 1993-10-06 Eastman Kodak Company Method and apparatus for spatially variant filtering
JP3640404B2 (ja) * 1993-08-18 2005-04-20 富士通株式会社 画像データ処理装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100825342B1 (ko) * 2001-10-10 2008-04-28 가부시끼가이샤 히다치 세이사꾸쇼 컬러 화상 표시장치
JP2005536770A (ja) * 2002-08-23 2005-12-02 トムソン ライセンシング ディジタル表示パネルのための適応型ノイズ抑制方法及び装置

Also Published As

Publication number Publication date
EP0851666A2 (en) 1998-07-01
DE69726702T2 (de) 2004-10-21
US5822467A (en) 1998-10-13
DE69726702D1 (de) 2004-01-22
EP0851666B1 (en) 2003-12-10
EP0851666A3 (en) 1999-09-08

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