JP5470415B2 - 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 - Google Patents

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 Download PDF

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JP5470415B2
JP5470415B2 JP2012079738A JP2012079738A JP5470415B2 JP 5470415 B2 JP5470415 B2 JP 5470415B2 JP 2012079738 A JP2012079738 A JP 2012079738A JP 2012079738 A JP2012079738 A JP 2012079738A JP 5470415 B2 JP5470415 B2 JP 5470415B2
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value
luminance
gradation
threshold value
epsilon
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JP2013210773A (ja
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玲央 安倍
政史 中尾
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Eizo Corp
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Eizo Corp
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Priority to JP2012079738A priority Critical patent/JP5470415B2/ja
Application filed by Eizo Corp filed Critical Eizo Corp
Priority to EP12872830.0A priority patent/EP2833355B1/en
Priority to PCT/JP2012/076108 priority patent/WO2013145388A1/ja
Priority to US14/389,611 priority patent/US9336581B2/en
Priority to AU2012374716A priority patent/AU2012374716B2/en
Priority to RU2014137567A priority patent/RU2611005C2/ru
Priority to CN201280072052.9A priority patent/CN104246865B/zh
Priority to IN8974DEN2014 priority patent/IN2014DN08974A/en
Publication of JP2013210773A publication Critical patent/JP2013210773A/ja
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • 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
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation 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)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Controls And Circuits For Display Device (AREA)
JP2012079738A 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 Active JP5470415B2 (ja)

Priority Applications (8)

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
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
US14/389,611 US9336581B2 (en) 2012-03-30 2012-10-09 Method for correcting gradations and device or method for determining threshold of epsilon filter
AU2012374716A AU2012374716B2 (en) 2012-03-30 2012-10-09 Method for correcting gradations and device or method for determining threshold of epsilon filter
EP12872830.0A EP2833355B1 (en) 2012-03-30 2012-10-09 Gray-level correction method, threshold determination device for epsilon-filter, and method therefor
RU2014137567A RU2611005C2 (ru) 2012-03-30 2012-10-09 Способ коррекции градаций и устройство или способ определения порогового значения для эпсилон-фильтра
CN201280072052.9A CN104246865B (zh) 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
IN8974DEN2014 IN2014DN08974A (enExample) 2012-03-30 2012-10-09

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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

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JP2013210773A JP2013210773A (ja) 2013-10-10
JP5470415B2 true JP5470415B2 (ja) 2014-04-16

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

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WO2016013125A1 (ja) * 2014-07-25 2016-01-28 Eizo株式会社 映像変換方法、映像変換装置、映像変換用コンピュータプログラム、映像表示システム
US20160117993A1 (en) * 2014-10-22 2016-04-28 Pixtronix, Inc. Image formation in a segmented display
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CN106157904B (zh) * 2015-04-22 2018-07-03 深圳市巨烽显示科技有限公司 液晶显示器及其显示器自动校正方法和装置
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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
CN111557028B (zh) * 2018-02-14 2023-02-03 Eizo株式会社 显示系统以及计算机可读记录介质
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
WO2019234825A1 (ja) * 2018-06-05 2019-12-12 Eizo株式会社 画像処理装置及び画像処理プログラム
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
US11906827B2 (en) * 2021-03-15 2024-02-20 Beijing Boe Display Technology Co., Ltd. Method for determining light-leakage degree of display panel, test fixture and computer-readable storage medium
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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CN118762673B (zh) * 2024-09-05 2024-12-17 长春希达电子技术有限公司 Jnd系数取值范围方法及系统

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Publication number Publication date
CN104246865B (zh) 2017-01-04
US9336581B2 (en) 2016-05-10
RU2611005C2 (ru) 2017-02-17
AU2012374716B2 (en) 2016-07-14
AU2012374716A1 (en) 2014-11-20
EP2833355A1 (en) 2015-02-04
WO2013145388A1 (ja) 2013-10-03
RU2014137567A (ru) 2016-05-27
JP2013210773A (ja) 2013-10-10
IN2014DN08974A (enExample) 2015-05-29
US20150117775A1 (en) 2015-04-30
CN104246865A (zh) 2014-12-24
EP2833355B1 (en) 2020-08-19
EP2833355A4 (en) 2015-12-16

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