CN110971782B - 图像处理装置及其控制方法、和计算机可读存储介质 - Google Patents

图像处理装置及其控制方法、和计算机可读存储介质 Download PDF

Info

Publication number
CN110971782B
CN110971782B CN201910918695.4A CN201910918695A CN110971782B CN 110971782 B CN110971782 B CN 110971782B CN 201910918695 A CN201910918695 A CN 201910918695A CN 110971782 B CN110971782 B CN 110971782B
Authority
CN
China
Prior art keywords
color
pixel
value
section
pixels
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.)
Active
Application number
CN201910918695.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN110971782A (zh
Inventor
小林圣人
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of CN110971782A publication Critical patent/CN110971782A/zh
Application granted granted Critical
Publication of CN110971782B publication Critical patent/CN110971782B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N1/60—Colour correction or control
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/001—Texturing; Colouring; Generation of texture or colour
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • 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
    • H04N1/4095—Correction of errors due to scanning a two-sided document, i.e. show-through correction
    • 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
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30176—Document

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Electrophotography (AREA)
  • Image Analysis (AREA)
  • Color, Gradation (AREA)
CN201910918695.4A 2018-09-28 2019-09-26 图像处理装置及其控制方法、和计算机可读存储介质 Active CN110971782B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018184984A JP7204402B2 (ja) 2018-09-28 2018-09-28 画像処理装置、その制御方法、及びプログラム
JP2018-184984 2018-09-28

Publications (2)

Publication Number Publication Date
CN110971782A CN110971782A (zh) 2020-04-07
CN110971782B true CN110971782B (zh) 2022-11-18

Family

ID=69946284

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910918695.4A Active CN110971782B (zh) 2018-09-28 2019-09-26 图像处理装置及其控制方法、和计算机可读存储介质

Country Status (3)

Country Link
US (1) US11232606B2 (enExample)
JP (1) JP7204402B2 (enExample)
CN (1) CN110971782B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12368811B2 (en) * 2020-03-25 2025-07-22 Sony Group Corporation Image processing apparatus, image processing method, and program for determining color information of an image
CN112261241B (zh) * 2020-10-26 2022-07-26 联想(北京)有限公司 一种图像处理方法、装置及电子设备
JP2023013472A (ja) * 2021-07-16 2023-01-26 セイコーエプソン株式会社 印刷装置
JP7672303B2 (ja) * 2021-08-19 2025-05-07 シャープ株式会社 画像生成装置、制御方法及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH096070A (ja) * 1995-06-23 1997-01-10 Ricoh Co Ltd 画像形成装置
CN1241390C (zh) 1998-06-23 2006-02-08 夏普公司 缩小字符、线条画和网点的组合图像的处理装置及其方法
JP2006270222A (ja) * 2005-03-22 2006-10-05 Fuji Xerox Co Ltd 複写制御装置及びプログラム
JP5645689B2 (ja) * 2011-01-31 2014-12-24 京セラドキュメントソリューションズ株式会社 画像処理装置及びこれを備えた画像形成装置
JP5948737B2 (ja) * 2011-05-30 2016-07-06 株式会社リコー 画像処理装置、画像処理方法及び画像処理プログラム
JP2015061128A (ja) 2013-09-17 2015-03-30 キヤノン株式会社 画像処理装置、画像処理方法、及びプログラム
JP2015126277A (ja) * 2013-12-25 2015-07-06 キヤノン株式会社 画像処理装置及び画像処理方法
JP6182092B2 (ja) 2014-03-10 2017-08-16 キヤノン株式会社 画像処理装置および画像処理方法
JP6797716B2 (ja) * 2017-02-28 2020-12-09 キヤノン株式会社 画像処理装置および画像処理方法
JP7141257B2 (ja) * 2018-06-20 2022-09-22 キヤノン株式会社 画像処理装置、その制御方法、及びプログラム

Also Published As

Publication number Publication date
CN110971782A (zh) 2020-04-07
US11232606B2 (en) 2022-01-25
JP2020057843A (ja) 2020-04-09
US20200105027A1 (en) 2020-04-02
JP7204402B2 (ja) 2023-01-16

Similar Documents

Publication Publication Date Title
CN110971782B (zh) 图像处理装置及其控制方法、和计算机可读存储介质
CN109327646B (zh) 图像处理装置、图像处理方法以及计算机可读存储介质
US20010035989A1 (en) Method, apparatus and recording medium for color correction
US8009338B2 (en) Image processing apparatus
JPH11252394A (ja) デジタルカラ―画像における装置独立の輝度及びクロミナンスデ―タ補正方法
US11636294B2 (en) Image forming apparatus, control method thereof, and storage medium
US20080055677A1 (en) Image Color Determining Device and Image Color Determining Method
JPH11196285A (ja) 画像処理方法、装置および記録媒体
JP7367159B2 (ja) 画像処理装置、画像処理方法、および、プログラム
US8804205B2 (en) Image processing apparatus, method, and computer program product for converting image data
JP2015126277A (ja) 画像処理装置及び画像処理方法
JP2011130184A (ja) 画像処理装置、画像処理方法および画像処理プログラム、ならびに、画像形成装置
JP2015084482A (ja) 色変換装置、画像形成装置、色変換方法、及び色変換プログラム
US7679783B2 (en) System and method for extracting grayscale data within a prescribed tolerance
JPH04160981A (ja) 複写機の像域別画像処理装置
US8654403B2 (en) Image processing apparatus and program therefor
JP2019071537A (ja) 画像処理装置、その制御方法、及びプログラム
US7460273B2 (en) Image processing method and device
JP2007194810A (ja) 画像処理装置
JP7614854B2 (ja) 画像処理装置、画像処理方法及びプログラム
JP2007036955A (ja) 画像処理装置
JP2005057598A (ja) カラー画像形成装置およびカラー画像処理装置
JP2019029970A (ja) 画像処理装置、その制御方法、プログラム、及び画像形成装置
JP2021180377A (ja) 画像処理装置、その制御方法及びプログラム
JP2007129447A (ja) 画像処理装置、画像処理方法、画像処理方法を実行するプログラム及び、記憶媒体

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant