KR102486233B1 - 파라메트릭 톤 - 조정 함수를 사용하여 영상을 톤 - 매핑하는 방법 및 장치 - Google Patents

파라메트릭 톤 - 조정 함수를 사용하여 영상을 톤 - 매핑하는 방법 및 장치 Download PDF

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KR102486233B1
KR102486233B1 KR1020187001338A KR20187001338A KR102486233B1 KR 102486233 B1 KR102486233 B1 KR 102486233B1 KR 1020187001338 A KR1020187001338 A KR 1020187001338A KR 20187001338 A KR20187001338 A KR 20187001338A KR 102486233 B1 KR102486233 B1 KR 102486233B1
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tone
value
input image
mapping
adjustment function
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Korean (ko)
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KR20180030534A (ko
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파브리스 르리앤네끄
세바스티앙 라쎄르
탕기 푸아리에
에두아르 프랑소와
에두아르 프랑소와
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인터디지털 매디슨 페턴트 홀딩스 에스에이에스
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Priority claimed from EP15306196.5A external-priority patent/EP3121787A1/en
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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
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G06T5/009—
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • 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
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Processing Of Color Television Signals (AREA)
KR1020187001338A 2015-07-16 2016-07-07 파라메트릭 톤 - 조정 함수를 사용하여 영상을 톤 - 매핑하는 방법 및 장치 Active KR102486233B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP15306166.8 2015-07-16
EP15306166 2015-07-16
EP15306196.5A EP3121787A1 (en) 2015-07-23 2015-07-23 A method and device for tone-mapping a picture by using a parametric tone-adjustment function
EP15306196.5 2015-07-23
PCT/EP2016/066167 WO2017009182A1 (en) 2015-07-16 2016-07-07 A method and device for tone-mapping a picture by using a parametric tone-adjustment function

Publications (2)

Publication Number Publication Date
KR20180030534A KR20180030534A (ko) 2018-03-23
KR102486233B1 true KR102486233B1 (ko) 2023-01-06

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Country Status (9)

Country Link
US (1) US11182882B2 (cg-RX-API-DMAC7.html)
EP (1) EP3323104B1 (cg-RX-API-DMAC7.html)
JP (1) JP6948309B2 (cg-RX-API-DMAC7.html)
KR (1) KR102486233B1 (cg-RX-API-DMAC7.html)
CN (1) CN107924559B (cg-RX-API-DMAC7.html)
CA (1) CA2992654C (cg-RX-API-DMAC7.html)
MX (1) MX383874B (cg-RX-API-DMAC7.html)
RU (1) RU2726290C2 (cg-RX-API-DMAC7.html)
WO (1) WO2017009182A1 (cg-RX-API-DMAC7.html)

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EP3244616A1 (en) * 2016-05-13 2017-11-15 Thomson Licensing A method for encoding an input video comprising a luma component and two chroma components, the method comprising reshaping of said input video based on reshaping functions
HUE050807T2 (hu) * 2017-02-15 2021-01-28 Dolby Laboratories Licensing Corp Árnyalatgörbe-leképezés nagy dinamikus tartományú képek számára
JP6712822B2 (ja) * 2017-12-27 2020-06-24 パナソニックＩｐマネジメント株式会社 表示装置および表示方法
CN108900823B (zh) 2018-07-05 2019-07-12 华为技术有限公司 一种视频信号处理的方法及装置
EP3672219A1 (en) * 2018-12-18 2020-06-24 Thomson Licensing Method and device for determining control parameters for mapping an input image with a high dynamic range to an output image with a lower dynamic range
EP3672254A1 (en) * 2018-12-21 2020-06-24 InterDigital VC Holdings, Inc. Decoding an image
KR102661824B1 (ko) * 2019-03-26 2024-04-26 엘지전자 주식회사 신호 처리 장치 및 이를 구비하는 영상표시장치
EP3734588B1 (en) * 2019-04-30 2022-12-07 Dolby Laboratories Licensing Corp. Color appearance preservation in video codecs
EP4172928A1 (en) * 2020-06-26 2023-05-03 InterDigital CE Patent Holdings, SAS Inverse tone mapping with adaptive bright-spot attenuation
EP3934223A1 (en) * 2020-06-29 2022-01-05 AMS Sensors Belgium BVBA Converting digital image data
US11734806B2 (en) * 2021-11-24 2023-08-22 Roku, Inc. Dynamic tone mapping
CN114727029B (zh) * 2022-03-21 2024-03-22 北京百度网讯科技有限公司 视频的处理方法、装置、电子设备及存储介质
USD1071055S1 (en) * 2023-08-04 2025-04-15 Acushnet Company Golf grip

Citations (1)

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DE3629403C2 (de) * 1986-08-29 1994-09-29 Agfa Gevaert Ag Verfahren zur Korrektur der Farbsättigung bei der elektronischen Bildverarbeitung
US5012333A (en) * 1989-01-05 1991-04-30 Eastman Kodak Company Interactive dynamic range adjustment system for printing digital images
JP2000137805A (ja) * 1998-10-29 2000-05-16 Canon Inc 画像処理装置及びその方法
CN1271567C (zh) 2000-11-30 2006-08-23 佳能株式会社 图像处理装置、图像处理方法、存储介质及程序
JP4153715B2 (ja) 2002-04-08 2008-09-24 松下電器産業株式会社 映像信号処理装置及び映像信号処理方法
US7158686B2 (en) 2002-09-19 2007-01-02 Eastman Kodak Company Enhancing the tonal characteristics of digital images using inflection points in a tone scale function
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
US8207932B2 (en) 2007-12-26 2012-06-26 Sharp Laboratories Of America, Inc. Methods and systems for display source light illumination level selection
JP5157753B2 (ja) 2008-08-27 2013-03-06 カシオ計算機株式会社 画像処理装置、画像処理方法、画像処理プログラム
JP4900419B2 (ja) 2009-05-20 2012-03-21 カシオ計算機株式会社 画像処理装置、及び画像処理プログラム
JP2010278890A (ja) 2009-05-29 2010-12-09 Canon Inc 画像形成装置、画像形成方法
JP5165076B2 (ja) 2011-01-31 2013-03-21 シャープ株式会社 映像表示装置
RU2652465C2 (ru) 2012-07-13 2018-04-26 Конинклейке Филипс Н.В. Усовершенствованные способы и устройства для кодирования и декодирования hdr изображений
EP3168809B1 (en) 2012-08-08 2023-08-30 Dolby Laboratories Licensing Corporation Image processing for hdr images
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Publication number Publication date
BR112018000910A2 (pt) 2018-09-11
CN107924559A (zh) 2018-04-17
RU2018105678A (ru) 2019-08-16
CN107924559B (zh) 2022-05-24
CA2992654C (en) 2025-05-06
KR20180030534A (ko) 2018-03-23
RU2018105678A3 (cg-RX-API-DMAC7.html) 2020-01-31
EP3323104A1 (en) 2018-05-23
CA2992654A1 (en) 2017-01-19
RU2726290C2 (ru) 2020-07-10
WO2017009182A1 (en) 2017-01-19
JP6948309B2 (ja) 2021-10-13
MX2018000575A (es) 2018-08-21
US11182882B2 (en) 2021-11-23
JP2018530031A (ja) 2018-10-11
MX383874B (es) 2025-03-14
US20180211369A1 (en) 2018-07-26
EP3323104B1 (en) 2021-10-27

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