JP5855852B2 - ハイパボリックタンジェント関数曲線を用いたコントラスト改善方法 - Google Patents

ハイパボリックタンジェント関数曲線を用いたコントラスト改善方法 Download PDF

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JP5855852B2
JP5855852B2 JP2011130417A JP2011130417A JP5855852B2 JP 5855852 B2 JP5855852 B2 JP 5855852B2 JP 2011130417 A JP2011130417 A JP 2011130417A JP 2011130417 A JP2011130417 A JP 2011130417A JP 5855852 B2 JP5855852 B2 JP 5855852B2
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JP2012104098A (ja
JP2012104098A5 (enExample
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スー ジン パク
スー ジン パク
チャンドラ ビジャルワン ディーパック
チャンドラ ビジャルワン ディーパック
コウル ナビーン
コウル ナビーン
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LG Innotek Co Ltd
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    • 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
    • G06T5/92Dynamic range modification of images or parts thereof based on global image properties
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/40Image enhancement or restoration using histogram techniques

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
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JP2011130417A 2010-11-08 2011-06-10 ハイパボリックタンジェント関数曲線を用いたコントラスト改善方法 Active JP5855852B2 (ja)

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KR10-2010-0110235 2010-11-08
KR20100110235 2010-11-08

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JP2012104098A5 JP2012104098A5 (enExample) 2014-07-24
JP5855852B2 true JP5855852B2 (ja) 2016-02-09

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Families Citing this family (7)

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KR20120122574A (ko) * 2011-04-29 2012-11-07 에스케이하이닉스 주식회사 디지털 카메라 장치에서 영상 처리 장치 및 방법
KR101805005B1 (ko) * 2011-11-07 2018-01-10 삼성전자주식회사 디지털 촬영장치
US10530995B2 (en) * 2015-06-12 2020-01-07 Gopro, Inc. Global tone mapping
JP2017040520A (ja) * 2015-08-19 2017-02-23 株式会社島津製作所 分析データ表示処理装置及び表示処理プログラム
KR102360156B1 (ko) * 2016-06-03 2022-02-09 현대자동차주식회사 저조도 영상의 시인성 개선 방법
EP3805882B1 (de) * 2019-10-10 2022-06-08 Siemens Aktiengesellschaft Leitsystem für eine technische anlage mit trendkurvendiagramm
US11657648B2 (en) 2021-03-31 2023-05-23 Revieve Oy Method and system for measuring a feature of persons

Family Cites Families (12)

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JPS5983149A (ja) * 1982-11-04 1984-05-14 Fuji Photo Film Co Ltd 階調補正曲線の作成方法
US5768440A (en) * 1996-12-18 1998-06-16 Xerox Corporation Adaptive noise removal for video images with less correction of current pixel for higher variations between surrounding pixels
JP2002520968A (ja) * 1998-07-15 2002-07-09 イメイション・コーポレイション 画像表示システム及び方法
JP3902894B2 (ja) * 1999-10-15 2007-04-11 理想科学工業株式会社 画像処理装置及び画像処理方法
US6822762B2 (en) * 2000-03-31 2004-11-23 Hewlett-Packard Development Company, L.P. Local color correction
US6826310B2 (en) * 2001-07-06 2004-11-30 Jasc Software, Inc. Automatic contrast enhancement
JP4167097B2 (ja) * 2003-03-17 2008-10-15 株式会社沖データ 画像処理方法および画像処理装置
US7508550B2 (en) * 2004-06-17 2009-03-24 Fujifilm Corporation Image correcting apparatus and method, and image correcting program, and look-up table creating apparatus and method, and look-up table creating program
KR100707270B1 (ko) * 2005-08-17 2007-04-16 삼성전자주식회사 Rgb값을 이용한 영상 콘트라스트 개선 방법 및 장치
JP4719559B2 (ja) * 2005-11-30 2011-07-06 学校法人 中央大学 画質改善装置及びプログラム
SG139602A1 (en) * 2006-08-08 2008-02-29 St Microelectronics Asia Automatic contrast enhancement
JP2010109794A (ja) * 2008-10-31 2010-05-13 Samsung Electronics Co Ltd 映像信号処理装置、映像信号処理方法、プログラム、および表示装置

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US8559750B2 (en) 2013-10-15
US20120114238A1 (en) 2012-05-10

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