CN104246865B - 灰阶校正方法、ε滤波器的阈值决定装置和其方法 - Google Patents

灰阶校正方法、ε滤波器的阈值决定装置和其方法 Download PDF

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CN104246865B
CN104246865B CN201280072052.9A CN201280072052A CN104246865B CN 104246865 B CN104246865 B CN 104246865B CN 201280072052 A CN201280072052 A CN 201280072052A CN 104246865 B CN104246865 B CN 104246865B
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CN104246865A (zh
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安倍玲央
中尾政史
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Eizo Nanao Corp
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/20Image enhancement or restoration using local operators
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/94Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/68Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69Circuits 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/10Image enhancement or restoration using non-spatial domain filtering
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/16Calculation or use of calculated indices related to luminance levels in display data

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Image Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
CN201280072052.9A 2012-03-30 2012-10-09 灰阶校正方法、ε滤波器的阈值决定装置和其方法 Active CN104246865B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012079738A JP5470415B2 (ja) 2012-03-30 2012-03-30 イプシロンフィルタの閾値決定方法およびローパスフィルタの係数決定方法
JP2012-079738 2012-03-30
PCT/JP2012/076108 WO2013145388A1 (ja) 2012-03-30 2012-10-09 階調補正方法、イプシロンフィルタの閾値決定装置またはその方法

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CN104246865A CN104246865A (zh) 2014-12-24
CN104246865B true CN104246865B (zh) 2017-01-04

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US (1) US9336581B2 (https=)
EP (1) EP2833355B1 (https=)
JP (1) JP5470415B2 (https=)
CN (1) CN104246865B (https=)
AU (1) AU2012374716B2 (https=)
IN (1) IN2014DN08974A (https=)
RU (1) RU2611005C2 (https=)
WO (1) WO2013145388A1 (https=)

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CN107992182B (zh) 2017-12-05 2021-06-29 北京小米移动软件有限公司 显示界面图像的方法和装置
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CN108428436B (zh) * 2018-05-08 2019-12-10 京东方科技集团股份有限公司 亮度补偿方法、亮度补偿装置、显示装置及存储介质
EP3806083B1 (en) * 2018-06-05 2024-12-25 EIZO Corporation Image processing device and image processing program
CN109525847B (zh) * 2018-11-13 2021-04-30 华侨大学 一种恰可察觉失真模型阈值计算方法
US11800056B2 (en) 2021-02-11 2023-10-24 Logitech Europe S.A. Smart webcam system
US11800048B2 (en) 2021-02-24 2023-10-24 Logitech Europe S.A. Image generating system with background replacement or modification capabilities
WO2022193102A1 (zh) * 2021-03-15 2022-09-22 京东方科技集团股份有限公司 显示面板的漏光程度的确定方法、装置、系统及测试治具
CN116188282A (zh) * 2021-11-29 2023-05-30 中国移动通信有限公司研究院 图像增强方法、装置、电子设备及可读存储介质
CN116977939B (zh) * 2023-08-16 2025-12-05 江苏中农物联网科技有限公司 一种水产养殖智能监控系统
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Publication number Publication date
EP2833355A1 (en) 2015-02-04
US20150117775A1 (en) 2015-04-30
RU2014137567A (ru) 2016-05-27
AU2012374716A1 (en) 2014-11-20
RU2611005C2 (ru) 2017-02-17
CN104246865A (zh) 2014-12-24
JP5470415B2 (ja) 2014-04-16
IN2014DN08974A (https=) 2015-05-29
EP2833355A4 (en) 2015-12-16
US9336581B2 (en) 2016-05-10
EP2833355B1 (en) 2020-08-19
AU2012374716B2 (en) 2016-07-14
WO2013145388A1 (ja) 2013-10-03
JP2013210773A (ja) 2013-10-10

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