JP6824619B2 - 画像処理装置、およびその制御方法 - Google Patents

画像処理装置、およびその制御方法 Download PDF

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Publication number
JP6824619B2
JP6824619B2 JP2016072974A JP2016072974A JP6824619B2 JP 6824619 B2 JP6824619 B2 JP 6824619B2 JP 2016072974 A JP2016072974 A JP 2016072974A JP 2016072974 A JP2016072974 A JP 2016072974A JP 6824619 B2 JP6824619 B2 JP 6824619B2
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JP
Japan
Prior art keywords
image
gradation
value
input
range
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.)
Expired - Fee Related
Application number
JP2016072974A
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English (en)
Japanese (ja)
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JP2017182702A5 (enExample
JP2017182702A (ja
Inventor
義行 永嶋
義行 永嶋
健一 森川
健一 森川
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Canon Inc
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Canon Inc
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2016072974A priority Critical patent/JP6824619B2/ja
Priority to US15/467,965 priority patent/US10282828B2/en
Publication of JP2017182702A publication Critical patent/JP2017182702A/ja
Publication of JP2017182702A5 publication Critical patent/JP2017182702A5/ja
Application granted granted Critical
Publication of JP6824619B2 publication Critical patent/JP6824619B2/ja
Expired - Fee Related legal-status Critical Current
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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
    • G06T5/90—Dynamic range modification of images or parts thereof
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Studio Devices (AREA)
JP2016072974A 2016-03-31 2016-03-31 画像処理装置、およびその制御方法 Expired - Fee Related JP6824619B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016072974A JP6824619B2 (ja) 2016-03-31 2016-03-31 画像処理装置、およびその制御方法
US15/467,965 US10282828B2 (en) 2016-03-31 2017-03-23 Image processing apparatus to convert gradation values of an input image, control method thereof, and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016072974A JP6824619B2 (ja) 2016-03-31 2016-03-31 画像処理装置、およびその制御方法

Publications (3)

Publication Number Publication Date
JP2017182702A JP2017182702A (ja) 2017-10-05
JP2017182702A5 JP2017182702A5 (enExample) 2019-04-18
JP6824619B2 true JP6824619B2 (ja) 2021-02-03

Family

ID=59961823

Family Applications (1)

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JP2016072974A Expired - Fee Related JP6824619B2 (ja) 2016-03-31 2016-03-31 画像処理装置、およびその制御方法

Country Status (2)

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US (1) US10282828B2 (enExample)
JP (1) JP6824619B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6650915B2 (ja) * 2017-08-22 2020-02-19 キヤノン株式会社 表示装置及び表示制御方法
CN110719327B (zh) * 2019-10-08 2021-02-26 珠海格力电器股份有限公司 图像上传的交互方法、装置和存储介质
CN113870368B (zh) * 2020-06-30 2025-01-07 北京小米移动软件有限公司 终端设备的图像处理方法、装置、电子设备及存储介质
JP7652749B2 (ja) * 2022-11-11 2025-03-27 キヤノン株式会社 画像処理装置、画像処理方法、および撮像装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001008065A (ja) 1999-06-23 2001-01-12 Hitachi Denshi Ltd 輪郭強調回路
JP3829985B2 (ja) * 2002-10-31 2006-10-04 ソニー株式会社 画像処理装置および方法、記録媒体、並びにプログラム
US8615142B2 (en) * 2003-02-28 2013-12-24 Hewlett-Packard Development Company, L.P. Variable contrast mapping of digital images
US7433535B2 (en) * 2003-09-30 2008-10-07 Hewlett-Packard Development Company, L.P. Enhancing text-like edges in digital images
JP4510560B2 (ja) * 2004-09-07 2010-07-28 富士重工業株式会社 画像処理装置
KR100605164B1 (ko) * 2005-01-28 2006-07-28 삼성전자주식회사 색역 매핑 장치 및 그 방법
TWI489442B (zh) * 2008-04-03 2015-06-21 Sunplus Technology Co Ltd Adaptive color space conversion system and method
JP5356728B2 (ja) * 2008-05-26 2013-12-04 株式会社トプコン エッジ抽出装置、測量機、およびプログラム
JP4795473B2 (ja) * 2009-06-29 2011-10-19 キヤノン株式会社 画像処理装置及びその制御方法
CN103797782A (zh) * 2011-09-02 2014-05-14 株式会社尼康 图像处理装置、程序
CN104995903B (zh) * 2013-02-21 2019-07-09 皇家飞利浦有限公司 改进的hdr图像编码和解码方法及设备
GB2523763B (en) * 2014-03-04 2016-02-17 Imagination Tech Ltd Gamut mapping
US9299164B2 (en) * 2014-07-22 2016-03-29 Xerox Corporation Method and apparatus for using super resolution encoding to provide edge enhancements for non-saturated objects
JP6552228B2 (ja) * 2015-03-17 2019-07-31 キヤノン株式会社 画像表示装置及びその制御方法
JP6548517B2 (ja) * 2015-08-26 2019-07-24 キヤノン株式会社 画像処理装置および画像処理方法

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Publication number Publication date
US20170287121A1 (en) 2017-10-05
US10282828B2 (en) 2019-05-07
JP2017182702A (ja) 2017-10-05

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