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
Prior art date
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Pending
Application number
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
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)
  • Studio Devices (AREA)
  • Picture Signal Circuits (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

Country Status (2)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6462856B2 (ja) 2015-03-26 2019-01-30 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
EP3734954B1 (en) * 2017-12-27 2023-03-22 Panasonic Intellectual Property Management Co., Ltd. Display device and display method

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
JP6042030B2 (ja) * 2014-03-28 2016-12-14 富士フイルム株式会社 画像処理装置、撮影装置、画像処理方法、及びプログラム

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

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