JP6976758B2 - 画像処理装置、画像処理方法、及びプログラム - Google Patents

画像処理装置、画像処理方法、及びプログラム Download PDF

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Publication number
JP6976758B2
JP6976758B2 JP2017136446A JP2017136446A JP6976758B2 JP 6976758 B2 JP6976758 B2 JP 6976758B2 JP 2017136446 A JP2017136446 A JP 2017136446A JP 2017136446 A JP2017136446 A JP 2017136446A JP 6976758 B2 JP6976758 B2 JP 6976758B2
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Japan
Prior art keywords
image
pixel
pixel value
value
screen
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Expired - Fee Related
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JP2017136446A
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Japanese (ja)
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JP2019021993A (ja
JP2019021993A5 (OSRAM
Inventor
亮介 大谷
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Canon Inc
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Canon Inc
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Priority to JP2017136446A priority Critical patent/JP6976758B2/ja
Priority to US16/027,530 priority patent/US10708466B2/en
Publication of JP2019021993A publication Critical patent/JP2019021993A/ja
Publication of JP2019021993A5 publication Critical patent/JP2019021993A5/ja
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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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
JP2017136446A 2017-07-12 2017-07-12 画像処理装置、画像処理方法、及びプログラム Expired - Fee Related JP6976758B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017136446A JP6976758B2 (ja) 2017-07-12 2017-07-12 画像処理装置、画像処理方法、及びプログラム
US16/027,530 US10708466B2 (en) 2017-07-12 2018-07-05 Image processing apparatus, image processing method, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017136446A JP6976758B2 (ja) 2017-07-12 2017-07-12 画像処理装置、画像処理方法、及びプログラム

Publications (3)

Publication Number Publication Date
JP2019021993A JP2019021993A (ja) 2019-02-07
JP2019021993A5 JP2019021993A5 (OSRAM) 2020-08-27
JP6976758B2 true JP6976758B2 (ja) 2021-12-08

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JP2017136446A Expired - Fee Related JP6976758B2 (ja) 2017-07-12 2017-07-12 画像処理装置、画像処理方法、及びプログラム

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US (1) US10708466B2 (OSRAM)
JP (1) JP6976758B2 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10607329B2 (en) * 2017-03-13 2020-03-31 Adobe Inc. Illumination estimation from a single image
US10609286B2 (en) 2017-06-13 2020-03-31 Adobe Inc. Extrapolating lighting conditions from a single digital image
JP2024145691A (ja) * 2023-03-31 2024-10-15 株式会社キーエンス 画像処理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7262879B2 (en) * 2001-03-28 2007-08-28 Sharp Laboratories Of America, Inc. Method for screening of halftone images
JP4143560B2 (ja) * 2004-03-05 2008-09-03 富士フイルム株式会社 閾値マトリクスの作成方法及びその装置
US7440139B2 (en) * 2005-01-13 2008-10-21 Xerox Corporation Systems and methods for controlling a tone reproduction curve using error diffusion
JP5562163B2 (ja) * 2010-07-27 2014-07-30 キヤノン株式会社 画像処理装置、画像処理方法およびプログラム
JP5709479B2 (ja) * 2010-11-19 2015-04-30 キヤノン株式会社 画像処理装置および画像処理方法
JP5601333B2 (ja) * 2012-02-09 2014-10-08 コニカミノルタ株式会社 画像処理装置、閾値マトリクスの整形方法及びプログラム
JP2014202938A (ja) 2013-04-05 2014-10-27 キヤノン株式会社 画像形成装置及び画像形成方法
JP6335016B2 (ja) * 2014-05-12 2018-05-30 キヤノン株式会社 画像処理装置およびその方法
JP6276680B2 (ja) * 2014-11-05 2018-02-07 富士フイルム株式会社 画像処理装置及び方法、プログラム、並びに印刷システム
JP6560563B2 (ja) * 2015-01-16 2019-08-14 キヤノン株式会社 画像処理装置及び画像処理方法、コンピュータプログラム

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JP2019021993A (ja) 2019-02-07
US20190020784A1 (en) 2019-01-17
US10708466B2 (en) 2020-07-07

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