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MX2018000575A - Metodo y dispositivo para asignar tono a una imagen usando una funcion de ajuste de tono parametrica. - Google Patents

Metodo y dispositivo para asignar tono a una imagen usando una funcion de ajuste de tono parametrica.

Info

Publication number
MX2018000575A
MX2018000575A MX2018000575A MX2018000575A MX2018000575A MX 2018000575 A MX2018000575 A MX 2018000575A MX 2018000575 A MX2018000575 A MX 2018000575A MX 2018000575 A MX2018000575 A MX 2018000575A MX 2018000575 A MX2018000575 A MX 2018000575A
Authority
MX
Mexico
Prior art keywords
tone
adjustment function
assigning
parametric
image
Prior art date
Application number
MX2018000575A
Other languages
English (en)
Other versions
MX383874B (es
Inventor
Lasserre Sebastien
LELEANNEC Fabrice
Poirier Tangi
Francois Edouard
Original Assignee
Thomson Licensing
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
Priority claimed from EP15306196.5A external-priority patent/EP3121787A1/en
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of MX2018000575A publication Critical patent/MX2018000575A/es
Publication of MX383874B publication Critical patent/MX383874B/es

Links

Classifications

    • 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
    • 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

Landscapes

  • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Receiver Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

Un método y dispositivo para asignar tono a una imagen de entrada usando una función de ajuste de tono paramétrica. El método comprende determinar al menos un parámetro de una función de ajuste de tono modulada por un nivel de brillantez de la imagen de entrada.
MX2018000575A 2015-07-16 2016-07-07 Método y dispositivo para asignar tono a una imagen usando una función de ajuste de tono paramétrica. MX383874B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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
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
MX2018000575A true MX2018000575A (es) 2018-08-21
MX383874B MX383874B (es) 2025-03-14

Family

ID=56372901

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018000575A MX383874B (es) 2015-07-16 2016-07-07 Método y dispositivo para asignar tono a una imagen usando una función de ajuste de tono paramétrica.

Country Status (9)

Country Link
US (1) US11182882B2 (es)
EP (1) EP3323104B1 (es)
JP (1) JP6948309B2 (es)
KR (1) KR102486233B1 (es)
CN (1) CN107924559B (es)
CA (1) CA2992654C (es)
MX (1) MX383874B (es)
RU (1) RU2726290C2 (es)
WO (1) WO2017009182A1 (es)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2817852T3 (es) * 2017-02-15 2021-04-08 Dolby Laboratories Licensing Corp Mapeo mediante curva de tonos para imágenes de alto rango dinámico
EP3734954B1 (en) * 2017-12-27 2023-03-22 Panasonic Intellectual Property Management Co., Ltd. Display device and display method
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
JP7744937B2 (ja) * 2020-06-26 2025-09-26 インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ 適応型輝点減衰を伴う逆トーンマッピング
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

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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
WO2002045020A1 (fr) * 2000-11-30 2002-06-06 Canon Kabushiki Kaisha Dispositif et procede de traitement d'images, support de stockage et programme associe
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
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JP5275122B2 (ja) * 2008-05-30 2013-08-28 パナソニック株式会社 ダイナミックレンジ圧縮装置、ダイナミックレンジ圧縮方法、プログラム、集積回路および撮像装置
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
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Also Published As

Publication number Publication date
CA2992654A1 (en) 2017-01-19
KR102486233B1 (ko) 2023-01-06
MX383874B (es) 2025-03-14
CN107924559A (zh) 2018-04-17
RU2018105678A3 (es) 2020-01-31
EP3323104B1 (en) 2021-10-27
CN107924559B (zh) 2022-05-24
CA2992654C (en) 2025-05-06
RU2726290C2 (ru) 2020-07-10
RU2018105678A (ru) 2019-08-16
US20180211369A1 (en) 2018-07-26
KR20180030534A (ko) 2018-03-23
BR112018000910A2 (pt) 2018-09-11
JP2018530031A (ja) 2018-10-11
JP6948309B2 (ja) 2021-10-13
US11182882B2 (en) 2021-11-23
EP3323104A1 (en) 2018-05-23
WO2017009182A1 (en) 2017-01-19

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