JP2017092604A - 映像信号処理装置、映像信号処理方法、及びプログラム - Google Patents

映像信号処理装置、映像信号処理方法、及びプログラム Download PDF

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Publication number
JP2017092604A
JP2017092604A JP2015217741A JP2015217741A JP2017092604A JP 2017092604 A JP2017092604 A JP 2017092604A JP 2015217741 A JP2015217741 A JP 2015217741A JP 2015217741 A JP2015217741 A JP 2015217741A JP 2017092604 A JP2017092604 A JP 2017092604A
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JP
Japan
Prior art keywords
gamma
correction
contour
characteristic
video signal
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Pending
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JP2015217741A
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English (en)
Japanese (ja)
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JP2017092604A5 (enExample
Inventor
忠美 大野
Tadami Ono
忠美 大野
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Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2015217741A priority Critical patent/JP2017092604A/ja
Priority to US15/341,562 priority patent/US10325355B2/en
Publication of JP2017092604A publication Critical patent/JP2017092604A/ja
Publication of JP2017092604A5 publication Critical patent/JP2017092604A5/ja
Pending 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
    • G06T5/73—Deblurring; Sharpening
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • 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
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/142—Edging; Contouring
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Devices (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP2015217741A 2015-11-05 2015-11-05 映像信号処理装置、映像信号処理方法、及びプログラム Pending JP2017092604A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015217741A JP2017092604A (ja) 2015-11-05 2015-11-05 映像信号処理装置、映像信号処理方法、及びプログラム
US15/341,562 US10325355B2 (en) 2015-11-05 2016-11-02 Video signal processing apparatus, video signal processing method, and program

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015217741A JP2017092604A (ja) 2015-11-05 2015-11-05 映像信号処理装置、映像信号処理方法、及びプログラム

Publications (2)

Publication Number Publication Date
JP2017092604A true JP2017092604A (ja) 2017-05-25
JP2017092604A5 JP2017092604A5 (enExample) 2018-12-06

Family

ID=58663546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015217741A Pending JP2017092604A (ja) 2015-11-05 2015-11-05 映像信号処理装置、映像信号処理方法、及びプログラム

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Country Link
US (1) US10325355B2 (enExample)
JP (1) JP2017092604A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016152502A1 (ja) 2015-03-26 2016-09-29 Ｎｅｃディスプレイソリューションズ株式会社 映像信号監視方法、映像信号監視装置、および表示装置
US11270661B2 (en) * 2017-12-27 2022-03-08 Panasonic Intellectual Property Management Co., Ltd. Display apparatus and display method
CN117727257A (zh) * 2023-12-13 2024-03-19 佛山电器照明股份有限公司 基于动态伽马校正算法的调光方法、设备及存储介质

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6330073A (ja) * 1986-07-23 1988-02-08 Konica Corp ビデオカメラのアパ−チヤ補償方式
JPH05336365A (ja) * 1992-05-28 1993-12-17 Canon Inc 画像形成装置
JPH0946554A (ja) * 1995-07-31 1997-02-14 Sony Corp 撮像装置
JPH10173958A (ja) * 1996-12-13 1998-06-26 Nec Corp 映像信号処理装置
JP2002033956A (ja) * 2000-07-14 2002-01-31 Olympus Optical Co Ltd 撮像装置
JP2004235850A (ja) * 2003-01-29 2004-08-19 Olympus Corp 電子的撮像装置及び顕微鏡システム
JP2005252869A (ja) * 2004-03-05 2005-09-15 Canon Inc 映像信号処理装置及び映像信号処理方法
JP2010193498A (ja) * 2010-04-08 2010-09-02 Fujifilm Corp 撮影装置及び露出制御方法
JP2012134772A (ja) * 2010-12-21 2012-07-12 Canon Inc 画像処理装置及び方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070132860A1 (en) * 2000-04-14 2007-06-14 Prabhu Girish V Method for customizing a digital camera using queries to determine the user's experience level
JP2003230052A (ja) 2002-02-01 2003-08-15 Nikon Corp 電子カメラ、画像処理プログラムおよび画像処理方法
JP2006106689A (ja) * 2004-09-13 2006-04-20 Seiko Epson Corp 液晶パネルの表示方法、液晶表示装置及び電子機器
JP5034436B2 (ja) 2006-10-19 2012-09-26 ソニー株式会社 画像処理装置および画像処理方法、並びにカメラシステム
US8144241B2 (en) * 2008-04-04 2012-03-27 Sony Corporation Imaging apparatus, image processing apparatus, and exposure control method
JP5306500B2 (ja) * 2012-02-29 2013-10-02 株式会社東芝 画像処理装置、画像処理方法及びプログラム
CN106165390B (zh) * 2014-03-28 2019-06-28 富士胶片株式会社 图像处理装置、摄影装置、图像处理方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6330073A (ja) * 1986-07-23 1988-02-08 Konica Corp ビデオカメラのアパ−チヤ補償方式
JPH05336365A (ja) * 1992-05-28 1993-12-17 Canon Inc 画像形成装置
JPH0946554A (ja) * 1995-07-31 1997-02-14 Sony Corp 撮像装置
JPH10173958A (ja) * 1996-12-13 1998-06-26 Nec Corp 映像信号処理装置
JP2002033956A (ja) * 2000-07-14 2002-01-31 Olympus Optical Co Ltd 撮像装置
JP2004235850A (ja) * 2003-01-29 2004-08-19 Olympus Corp 電子的撮像装置及び顕微鏡システム
JP2005252869A (ja) * 2004-03-05 2005-09-15 Canon Inc 映像信号処理装置及び映像信号処理方法
JP2010193498A (ja) * 2010-04-08 2010-09-02 Fujifilm Corp 撮影装置及び露出制御方法
JP2012134772A (ja) * 2010-12-21 2012-07-12 Canon Inc 画像処理装置及び方法

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US10325355B2 (en) 2019-06-18
US20170132766A1 (en) 2017-05-11

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