JP6486055B2 - 撮像装置およびその制御方法、並びにプログラム - Google Patents

撮像装置およびその制御方法、並びにプログラム Download PDF

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Publication number
JP6486055B2
JP6486055B2 JP2014207843A JP2014207843A JP6486055B2 JP 6486055 B2 JP6486055 B2 JP 6486055B2 JP 2014207843 A JP2014207843 A JP 2014207843A JP 2014207843 A JP2014207843 A JP 2014207843A JP 6486055 B2 JP6486055 B2 JP 6486055B2
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Japan
Prior art keywords
correction
setting
luminance
curve
tone curve
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JP2014207843A
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Japanese (ja)
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JP2016076908A5 (enExample
JP2016076908A (ja
Inventor
博行 浦上
博行 浦上
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Canon Inc
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Canon Inc
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Priority to JP2014207843A priority Critical patent/JP6486055B2/ja
Priority to US14/870,702 priority patent/US9715722B2/en
Publication of JP2016076908A publication Critical patent/JP2016076908A/ja
Publication of JP2016076908A5 publication Critical patent/JP2016076908A5/ja
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Classifications

    • 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
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
JP2014207843A 2014-10-09 2014-10-09 撮像装置およびその制御方法、並びにプログラム Active JP6486055B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014207843A JP6486055B2 (ja) 2014-10-09 2014-10-09 撮像装置およびその制御方法、並びにプログラム
US14/870,702 US9715722B2 (en) 2014-10-09 2015-09-30 Image pickup apparatus that performs tone correction, control method therefor, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014207843A JP6486055B2 (ja) 2014-10-09 2014-10-09 撮像装置およびその制御方法、並びにプログラム

Publications (3)

Publication Number Publication Date
JP2016076908A JP2016076908A (ja) 2016-05-12
JP2016076908A5 JP2016076908A5 (enExample) 2017-11-16
JP6486055B2 true JP6486055B2 (ja) 2019-03-20

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JP2014207843A Active JP6486055B2 (ja) 2014-10-09 2014-10-09 撮像装置およびその制御方法、並びにプログラム

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US (1) US9715722B2 (enExample)
JP (1) JP6486055B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3796216A1 (en) 2019-09-19 2021-03-24 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and program

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6525543B2 (ja) * 2014-10-21 2019-06-05 キヤノン株式会社 画像処装置および画像処理方法、並びにプログラム
JP6552325B2 (ja) * 2015-08-07 2019-07-31 キヤノン株式会社 撮像装置、撮像装置の制御方法、及びプログラム
JP7018380B2 (ja) * 2018-11-30 2022-02-10 株式会社神戸製鋼所 タイヤ表面の画像表示方法およびその画像表示に用いる画像処理装置
US11182884B2 (en) * 2019-07-30 2021-11-23 Nvidia Corporation Enhanced high-dynamic-range imaging and tone mapping
JP7462458B2 (ja) * 2020-03-30 2024-04-05 キヤノン株式会社 画像処理装置、画像処理方法
JP2024078844A (ja) * 2022-11-30 2024-06-11 ラピステクノロジー株式会社 映像処理装置及び映像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426517A (en) * 1992-11-30 1995-06-20 Eastman Kodak Company Automated tone correction apparatus and method using filtered histogram equalization
JP4292679B2 (ja) * 1999-05-10 2009-07-08 コニカミノルタホールディングス株式会社 固体撮像装置
JP4096828B2 (ja) * 2003-07-15 2008-06-04 セイコーエプソン株式会社 画像処理装置
JP2006098614A (ja) 2004-09-29 2006-04-13 Pioneer Electronic Corp コントラスト補正方法、コントラスト補正回路及び表示装置
JP5300595B2 (ja) * 2009-05-28 2013-09-25 キヤノン株式会社 画像処理装置及び方法、及びコンピュータプログラム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3796216A1 (en) 2019-09-19 2021-03-24 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and program
US11501417B2 (en) 2019-09-19 2022-11-15 Canon Kabushiki Kaisha Image processing apparatus for estimating the number of specific objects in an image

Also Published As

Publication number Publication date
US20160104273A1 (en) 2016-04-14
US9715722B2 (en) 2017-07-25
JP2016076908A (ja) 2016-05-12

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