JP4854252B2 - 画像処理方法および画像処理装置 - Google Patents

画像処理方法および画像処理装置 Download PDF

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Publication number
JP4854252B2
JP4854252B2 JP2005287774A JP2005287774A JP4854252B2 JP 4854252 B2 JP4854252 B2 JP 4854252B2 JP 2005287774 A JP2005287774 A JP 2005287774A JP 2005287774 A JP2005287774 A JP 2005287774A JP 4854252 B2 JP4854252 B2 JP 4854252B2
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Japan
Prior art keywords
statistic
gradation
conversion
value
category
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JP2005287774A
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English (en)
Japanese (ja)
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JP2007101610A (ja
JP2007101610A5 (https=
Inventor
泉 金井
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005287774A priority Critical patent/JP4854252B2/ja
Priority to US11/531,575 priority patent/US8174622B2/en
Publication of JP2007101610A publication Critical patent/JP2007101610A/ja
Publication of JP2007101610A5 publication Critical patent/JP2007101610A5/ja
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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
    • G06T5/40—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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2005287774A 2005-09-30 2005-09-30 画像処理方法および画像処理装置 Expired - Fee Related JP4854252B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005287774A JP4854252B2 (ja) 2005-09-30 2005-09-30 画像処理方法および画像処理装置
US11/531,575 US8174622B2 (en) 2005-09-30 2006-09-13 Data processing method and data processing device for histogram-based nonlinear conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005287774A JP4854252B2 (ja) 2005-09-30 2005-09-30 画像処理方法および画像処理装置

Publications (3)

Publication Number Publication Date
JP2007101610A JP2007101610A (ja) 2007-04-19
JP2007101610A5 JP2007101610A5 (https=) 2010-03-25
JP4854252B2 true JP4854252B2 (ja) 2012-01-18

Family

ID=37902000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005287774A Expired - Fee Related JP4854252B2 (ja) 2005-09-30 2005-09-30 画像処理方法および画像処理装置

Country Status (2)

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US (1) US8174622B2 (https=)
JP (1) JP4854252B2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8803922B2 (en) * 2007-05-30 2014-08-12 Apple Inc. Methods and apparatuses for increasing the apparent brightness of a display
JP5218333B2 (ja) * 2009-08-21 2013-06-26 セイコーエプソン株式会社 画像処理装置
CN106571127B (zh) * 2015-10-08 2019-06-14 小米科技有限责任公司 一种显示目标图像的方法和装置
EP4070538B1 (en) * 2019-12-06 2025-11-12 Magic Leap, Inc. Encoding stereo splash screen in static image

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06178153A (ja) 1992-12-07 1994-06-24 Fujitsu General Ltd ダイナミックガンマ補正回路
JP2001343957A (ja) * 2000-03-27 2001-12-14 Hitachi Ltd 液晶表示装置
JP2003274427A (ja) * 2002-03-15 2003-09-26 Canon Inc 画像処理装置、画像処理システム、画像処理方法、記憶媒体、及びプログラム
JP2004007076A (ja) * 2002-05-30 2004-01-08 Mitsubishi Electric Corp 映像信号処理方法および映像信号処理装置
US7173663B2 (en) * 2002-10-31 2007-02-06 Freescale Semiconductor, Inc. Automatic exposure control system for a digital camera
JP4277773B2 (ja) * 2004-09-21 2009-06-10 株式会社日立製作所 映像表示装置
JP2006101421A (ja) * 2004-09-30 2006-04-13 Toshiba Corp 映像信号処理回路
US7573533B2 (en) * 2004-10-15 2009-08-11 Genesis Microchip Inc. Method of generating transfer curves for adaptive contrast enhancement
US7352410B2 (en) * 2005-05-31 2008-04-01 Kolorific, Inc. Method and system for automatic brightness and contrast adjustment of a video source

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Publication number Publication date
JP2007101610A (ja) 2007-04-19
US8174622B2 (en) 2012-05-08
US20070076949A1 (en) 2007-04-05

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