KR102072887B1 - 화상 처리 장치, 화상 처리 방법 및 기억 매체 - Google Patents

화상 처리 장치, 화상 처리 방법 및 기억 매체 Download PDF

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Publication number
KR102072887B1
KR102072887B1 KR1020170004938A KR20170004938A KR102072887B1 KR 102072887 B1 KR102072887 B1 KR 102072887B1 KR 1020170004938 A KR1020170004938 A KR 1020170004938A KR 20170004938 A KR20170004938 A KR 20170004938A KR 102072887 B1 KR102072887 B1 KR 102072887B1
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South Korea
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area
halftone
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KR1020170004938A
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English (en)
Korean (ko)
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KR20170085002A (ko
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아사코 스가하라
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캐논 가부시끼가이샤
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    • 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
    • H04N1/38—Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00742—Detection methods
    • H04N1/00748—Detecting edges, e.g. of a stationary sheet
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • 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
    • H04N1/6002—Corrections within particular colour systems
    • H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
    • 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
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6019—Conversion to subtractive colour signals using look-up tables
    • 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
    • H04N1/6027—Correction or control of colour gradation or colour contrast
    • 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
    • H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Color, Gradation (AREA)
KR1020170004938A 2016-01-13 2017-01-12 화상 처리 장치, 화상 처리 방법 및 기억 매체 Expired - Fee Related KR102072887B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016004764A JP6808325B2 (ja) 2016-01-13 2016-01-13 画像処理装置、画像処理方法及びプログラム
JPJP-P-2016-004764 2016-01-13

Publications (2)

Publication Number Publication Date
KR20170085002A KR20170085002A (ko) 2017-07-21
KR102072887B1 true KR102072887B1 (ko) 2020-02-03

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KR1020170004938A Expired - Fee Related KR102072887B1 (ko) 2016-01-13 2017-01-12 화상 처리 장치, 화상 처리 방법 및 기억 매체

Country Status (3)

Country Link
US (1) US10194050B2 (enExample)
JP (1) JP6808325B2 (enExample)
KR (1) KR102072887B1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6633871B2 (ja) * 2015-08-26 2020-01-22 キヤノン株式会社 情報処理装置とその制御方法、及びプログラム
JP6569697B2 (ja) * 2017-04-11 2019-09-04 コニカミノルタ株式会社 検査装置及び検査プログラム
JP2019121810A (ja) * 2017-12-28 2019-07-22 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、画像処理方法及び画像処理プログラム
JP2019120959A (ja) 2017-12-28 2019-07-22 富士ゼロックス株式会社 画像処理装置及び画像処理プログラム
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
JP7391653B2 (ja) * 2019-12-20 2023-12-05 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002077647A (ja) * 2000-08-25 2002-03-15 Ricoh Co Ltd 画像処理装置
US20070297668A1 (en) * 2006-06-23 2007-12-27 Canon Kabushiki Kaisha Image-processing apparatus and method, computer program, and storage medium
US20090033964A1 (en) * 2007-07-31 2009-02-05 Kazuhisa Kubota Image processing apparatus, image forming apparatus, image processing method and compurter-readable recording medium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3907155B2 (ja) 2000-09-04 2007-04-18 株式会社リコー 画像データ補正装置，画像読取り装置および画像形成装置
JP6325847B2 (ja) 2014-03-10 2018-05-16 キヤノン株式会社 画像処理装置および画像処理方法ならびにプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002077647A (ja) * 2000-08-25 2002-03-15 Ricoh Co Ltd 画像処理装置
US20070297668A1 (en) * 2006-06-23 2007-12-27 Canon Kabushiki Kaisha Image-processing apparatus and method, computer program, and storage medium
US20090033964A1 (en) * 2007-07-31 2009-02-05 Kazuhisa Kubota Image processing apparatus, image forming apparatus, image processing method and compurter-readable recording medium

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KR20170085002A (ko) 2017-07-21
JP6808325B2 (ja) 2021-01-06
JP2017126869A (ja) 2017-07-20
US20170201648A1 (en) 2017-07-13
US10194050B2 (en) 2019-01-29

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