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

Info

Publication number
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
Authority
CN
China
Prior art keywords
value
mentioned
wave filter
brightness
threshold value
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201280072052.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN104246865A (zh
Inventor
安倍玲央
中尾政史
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.)
Eizo Nanao Corp
Original Assignee
Eizo Nanao Corp
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 Eizo Nanao Corp filed Critical Eizo Nanao Corp
Publication of CN104246865A publication Critical patent/CN104246865A/zh
Application granted granted Critical
Publication of CN104246865B publication Critical patent/CN104246865B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Facsimile Image 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
JP2012-079738 2012-03-30
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

Publications (2)

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

Family

ID=49258729

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280072052.9A Active 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

Country Status (8)

Country Link
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)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5596075B2 (ja) * 2012-03-30 2014-09-24 Ｅｉｚｏ株式会社 階調補正装置またはその方法
ES2727929T3 (es) * 2014-06-12 2019-10-21 Eizo Corp Dispositivo de eliminación de neblina y método de generación de imágenes
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
JP2016086347A (ja) * 2014-10-28 2016-05-19 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． 画像処理装置、画像処理方法、及びプログラム
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
CN104992419A (zh) * 2015-07-08 2015-10-21 北京大学深圳研究生院 基于jnd因子的超像素高斯滤波预处理方法
JP6342085B2 (ja) * 2015-11-17 2018-06-13 Eizo株式会社 画像変換方法及び装置
US10755673B2 (en) 2016-05-20 2020-08-25 Schepens Eye Research Institute Methods and systems for adjusting contrast in devices
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
WO2019159266A1 (ja) * 2018-02-14 2019-08-22 Eizo株式会社 表示システム及びプログラム
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
KR102453070B1 (ko) * 2018-06-05 2022-10-07 에이조 가부시키가이샤 화상 처리 장치 및 화상 처리 프로그램
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
CN117405363B (zh) * 2023-12-14 2024-03-01 东南大学 Mini-LED分区背光显示器的光晕表征方法及系统
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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0951532A (ja) * 1995-05-29 1997-02-18 Matsushita Electric Ind Co Ltd 歪み除去装置
US6636635B2 (en) * 1995-11-01 2003-10-21 Canon Kabushiki Kaisha Object extraction method, and image sensing apparatus using the method
US7113227B1 (en) * 1999-11-25 2006-09-26 Matsushita Electric Industrial Co., Ltd. Gradation correcting apparatus gradation correcting method and video display apparatus
JP4649781B2 (ja) * 2001-06-20 2011-03-16 ソニー株式会社 画像処理方法および装置
US8374238B2 (en) * 2004-07-13 2013-02-12 Microsoft Corporation Spatial scalability in 3D sub-band decoding of SDMCTF-encoded video
JP4523926B2 (ja) * 2006-04-05 2010-08-11 富士通株式会社 画像処理装置、画像処理プログラムおよび画像処理方法
JP4208909B2 (ja) 2006-08-24 2009-01-14 株式会社東芝 画像処理装置と撮影装置
EP2061233B1 (en) 2006-09-14 2013-06-26 Mitsubishi Electric Corporation Image processing device and image processing method
KR100879536B1 (ko) 2006-10-30 2009-01-22 삼성전자주식회사 영상의 화질 개선을 위한 방법 및 시스템
JP4281786B2 (ja) * 2006-11-20 2009-06-17 ブラザー工業株式会社 画像処理プログラムおよび画像処理装置
JP4746575B2 (ja) * 2007-03-16 2011-08-10 株式会社東芝 画像処理装置及びその方法
CN101102398B (zh) * 2007-07-26 2010-05-19 上海交通大学 全自动的实时数字图像处理增强系统
JP5012333B2 (ja) * 2007-08-30 2012-08-29 コニカミノルタアドバンストレイヤー株式会社 画像処理装置および画像処理方法ならびに撮像装置
JP4375464B2 (ja) * 2007-09-11 2009-12-02 三菱電機株式会社 ノイズ低減装置
JP5105209B2 (ja) 2007-12-04 2012-12-26 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
JP2009238009A (ja) * 2008-03-27 2009-10-15 Toshiba Corp 画像処理装置、及び方法
JP4585602B1 (ja) * 2009-09-18 2010-11-24 株式会社東芝 画像処理装置、表示装置及び画像処理方法
RU2412554C1 (ru) * 2010-01-25 2011-02-20 Учреждение Российской академии наук Институт физики полупроводников им. А.В. Ржанова Сибирского отделения РАН (ИФП СО РАН) Способ компенсации дефектных фоточувствительных элементов многоэлементного фотоприемника
CN101916431B (zh) * 2010-07-23 2012-06-27 北京工业大学 一种低照度图像数据处理方法及系统
CN102044070A (zh) * 2011-01-10 2011-05-04 北京师范大学 一种基于Retinex的非线性彩色图像增强方法

Also Published As

Publication number Publication date
CN104246865A (zh) 2014-12-24
EP2833355B1 (en) 2020-08-19
EP2833355A1 (en) 2015-02-04
US9336581B2 (en) 2016-05-10
EP2833355A4 (en) 2015-12-16
JP5470415B2 (ja) 2014-04-16
RU2014137567A (ru) 2016-05-27
AU2012374716A1 (en) 2014-11-20
IN2014DN08974A (enExample) 2015-05-29
US20150117775A1 (en) 2015-04-30
WO2013145388A1 (ja) 2013-10-03
AU2012374716B2 (en) 2016-07-14
RU2611005C2 (ru) 2017-02-17
JP2013210773A (ja) 2013-10-10

Similar Documents

Publication Publication Date Title
CN104246865B (zh) 灰阶校正方法、ε滤波器的阈值决定装置和其方法
CN101951523B (zh) 一种自适应彩色图像处理方法及系统
CN101408973B (zh) 图像处理方法及其装置
JP5247910B1 (ja) 画像表示装置またはその方法
CN102422322A (zh) 光检测、色貌模型、以及修改图像显示的动态范围
CN104123697B (zh) 一种图像增强方法及设备
US20140348428A1 (en) Dynamic range-adjustment apparatuses and methods
CN105191277B (zh) 基于引导式滤波器的细节增强
US9299003B2 (en) Image processing apparatus, non-transitory computer readable medium, and image processing method
KR101846743B1 (ko) 톤 맵핑 영상에 대한 객관적 화질 평가 방법 및 장치
CN113450272B (zh) 一种基于正弦曲线变化的图像增强方法及其应用
US20120308155A1 (en) Image processor, display device, and image processing method
KR20160068627A (ko) 영상 처리 장치, 영상 처리 방법, 및 표시 장치
US20220237755A1 (en) Image enhancement method and image processing device
EP2372686B1 (en) A method for compensating local dimming of a backlight
KR101389932B1 (ko) 이미지 톤 매핑 장치 및 방법
JP2011133877A (ja) 画像表示装置、および画像処理装置
Pattanayak et al. Dark image enhancement using adaptive piece-wise sigmoid gamma correction (APSGC) in presence of optical sources
KR102086756B1 (ko) 하이 다이내믹 레인지 이미지 생성 장치 및 방법
Chen et al. Dynamic color image resolution compensation under low light
CN112631539A (zh) 显示图像的像素灰度值的映射方法
Daly et al. Use of a local cone model to predict essential CSF light adaptation behavior used in the design of luminance quantization nonlinearities
CN112614471A (zh) 色调映射方法及系统
TW201624454A (zh) 圖像處理系統及圖像處理方法
Kanthong Tone mapping operator based on just noticeable difference of luminance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant