JP4065517B2 - 色差判定装置及び方法 - Google Patents

色差判定装置及び方法 Download PDF

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Publication number
JP4065517B2
JP4065517B2 JP2002344575A JP2002344575A JP4065517B2 JP 4065517 B2 JP4065517 B2 JP 4065517B2 JP 2002344575 A JP2002344575 A JP 2002344575A JP 2002344575 A JP2002344575 A JP 2002344575A JP 4065517 B2 JP4065517 B2 JP 4065517B2
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JP
Japan
Prior art keywords
color
space
rgb
value
threshold
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Expired - Fee Related
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JP2002344575A
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English (en)
Japanese (ja)
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JP2004178321A (ja
JP2004178321A5 (https=
Inventor
貴恒 赤石
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2002344575A priority Critical patent/JP4065517B2/ja
Priority to US10/704,599 priority patent/US7447350B2/en
Publication of JP2004178321A publication Critical patent/JP2004178321A/ja
Publication of JP2004178321A5 publication Critical patent/JP2004178321A5/ja
Application granted granted Critical
Publication of JP4065517B2 publication Critical patent/JP4065517B2/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • 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
    • 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
    • H04N1/60—Colour correction or control
    • H04N1/6058—Reduction of colour to a range of reproducible colours, e.g. to ink- reproducible colour gamut
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10008—Still image; Photographic image from scanner, fax or copier
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP2002344575A 2002-11-27 2002-11-27 色差判定装置及び方法 Expired - Fee Related JP4065517B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002344575A JP4065517B2 (ja) 2002-11-27 2002-11-27 色差判定装置及び方法
US10/704,599 US7447350B2 (en) 2002-11-27 2003-11-12 Color difference judgment apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002344575A JP4065517B2 (ja) 2002-11-27 2002-11-27 色差判定装置及び方法

Publications (3)

Publication Number Publication Date
JP2004178321A JP2004178321A (ja) 2004-06-24
JP2004178321A5 JP2004178321A5 (https=) 2007-03-01
JP4065517B2 true JP4065517B2 (ja) 2008-03-26

Family

ID=32322028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002344575A Expired - Fee Related JP4065517B2 (ja) 2002-11-27 2002-11-27 色差判定装置及び方法

Country Status (2)

Country Link
US (1) US7447350B2 (https=)
JP (1) JP4065517B2 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101005248B1 (ko) * 2002-06-28 2011-01-04 노키아 코포레이션 정보단말
JP2005348067A (ja) * 2004-06-02 2005-12-15 Konica Minolta Medical & Graphic Inc 画像出力システム、及び、画像出力方法
JP2008515347A (ja) 2004-09-29 2008-05-08 ワーナー ブロス．エンターテイメント，インク． 成分画像のブロッチ補正
JP4684030B2 (ja) * 2005-07-06 2011-05-18 株式会社リコー 画像処理装置及び画像処理方法
US8432572B2 (en) * 2007-06-29 2013-04-30 Konica Minolta Laboratory U.S.A., Inc. Systems and methods of trapping for print devices
US7903286B2 (en) * 2008-03-27 2011-03-08 Konica Minolta Systems Laboratory, Inc. Systems and methods for color conversion
US8570340B2 (en) 2008-03-31 2013-10-29 Konica Minolta Laboratory U.S.A., Inc. Systems and methods for data compression
US8699042B2 (en) * 2008-06-12 2014-04-15 Konica Minolta Laboratory U.S.A., Inc. Systems and methods for multi-mode color blending
US9183475B2 (en) 2012-08-21 2015-11-10 Canon Kabushiki Kaisha Image processing method and apparatus configured for printing a plurality of monochrome images having different parameters
US9087289B2 (en) 2012-08-21 2015-07-21 Canon Kabushiki Kaisha Image processing method and apparatus for printing monochrome or color images on a medium
US20150055858A1 (en) * 2013-08-21 2015-02-26 GM Global Technology Operations LLC Systems and methods for color recognition in computer vision systems
JP6318513B2 (ja) * 2013-09-17 2018-05-09 株式会社リコー 代表色抽出装置、代表色抽出方法、プログラムおよび記録媒体
JP6331340B2 (ja) * 2013-11-08 2018-05-30 セイコーエプソン株式会社 表示装置、及び、表示装置の制御方法
US10140728B1 (en) * 2016-08-11 2018-11-27 Citrix Systems, Inc. Encoder with image filtering and associated methods
US10692245B2 (en) * 2017-07-11 2020-06-23 Datacolor Inc. Color identification in images

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218555A (en) * 1989-11-27 1993-06-08 Toyo Boseki Kabushiki Kaisha Method for judging a color difference using rules fuzzy inference and apparatus therefor
US5202935A (en) * 1990-10-19 1993-04-13 Matsushita Electric Industrial Co., Ltd. Color conversion apparatus for altering color values within selected regions of a reproduced picture
JP2735003B2 (ja) * 1994-09-28 1998-04-02 松下電器産業株式会社 ホワイトバランス調整量演算装置
JP3563797B2 (ja) 1994-12-16 2004-09-08 大日本印刷株式会社 画像検査方法および装置
US5751450A (en) * 1996-05-22 1998-05-12 Medar, Inc. Method and system for measuring color difference
JP2002027267A (ja) 2000-07-10 2002-01-25 Fuji Xerox Co Ltd 色信号変換装置
JP3762260B2 (ja) 2000-07-19 2006-04-05 キヤノン株式会社 色処理方法および装置
JP4154116B2 (ja) 2000-09-28 2008-09-24 富士通株式会社 色変換テーブル作成方法および色変換テーブル作成装置並びに色変換テーブル作成プログラムを記録したコンピュータ読取可能な記録媒体

Also Published As

Publication number Publication date
US20040101195A1 (en) 2004-05-27
JP2004178321A (ja) 2004-06-24
US7447350B2 (en) 2008-11-04

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