BR112021002187A2 - codificador e decodificador de vídeo de alta faixa dinâmica, método de codificação de vídeo de alta faixa dinâmica de uma imagem de alta faixa dinâmica de entrada recebida e método de decodificação de vídeo de alta faixa dinâmica de uma imagem de faixa dinâmica intermediária recebida - Google Patents

codificador e decodificador de vídeo de alta faixa dinâmica, método de codificação de vídeo de alta faixa dinâmica de uma imagem de alta faixa dinâmica de entrada recebida e método de decodificação de vídeo de alta faixa dinâmica de uma imagem de faixa dinâmica intermediária recebida Download PDF

Info

Publication number
BR112021002187A2
BR112021002187A2 BR112021002187-6A BR112021002187A BR112021002187A2 BR 112021002187 A2 BR112021002187 A2 BR 112021002187A2 BR 112021002187 A BR112021002187 A BR 112021002187A BR 112021002187 A2 BR112021002187 A2 BR 112021002187A2
Authority
BR
Brazil
Prior art keywords
image
dynamic range
hdr
idr
luminance
Prior art date
Application number
BR112021002187-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Renatus Josephus Van Der Vleuten
Rutger NIJLAND
Johannes Yzebrand Tichelaar
Original Assignee
Koninklijke Philips N.V.
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 EP18192636.1A external-priority patent/EP3621307A1/en
Application filed by Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of BR112021002187A2 publication Critical patent/BR112021002187A2/pt

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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Studio Devices (AREA)
  • Processing Of Color Television Signals (AREA)
BR112021002187-6A 2018-09-05 2019-08-22 codificador e decodificador de vídeo de alta faixa dinâmica, método de codificação de vídeo de alta faixa dinâmica de uma imagem de alta faixa dinâmica de entrada recebida e método de decodificação de vídeo de alta faixa dinâmica de uma imagem de faixa dinâmica intermediária recebida BR112021002187A2 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP18192636.1A EP3621307A1 (en) 2018-09-05 2018-09-05 Multi-range hdr video coding
EP18192636.1 2018-09-05
EP19176732 2019-05-27
EP19176732.6 2019-05-27
EP19187932.9 2019-07-23
EP19187932 2019-07-23
PCT/EP2019/072536 WO2020048790A1 (en) 2018-09-05 2019-08-22 Multi-range hdr video coding

Publications (1)

Publication Number Publication Date
BR112021002187A2 true BR112021002187A2 (pt) 2021-05-04

Family

ID=67688790

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021002187-6A BR112021002187A2 (pt) 2018-09-05 2019-08-22 codificador e decodificador de vídeo de alta faixa dinâmica, método de codificação de vídeo de alta faixa dinâmica de uma imagem de alta faixa dinâmica de entrada recebida e método de decodificação de vídeo de alta faixa dinâmica de uma imagem de faixa dinâmica intermediária recebida

Country Status (12)

Country Link
US (1) US11272195B2 (https=)
EP (1) EP3847819B1 (https=)
JP (1) JP7453214B2 (https=)
KR (1) KR102942989B1 (https=)
CN (1) CN112640471B (https=)
BR (1) BR112021002187A2 (https=)
CA (1) CA3111150A1 (https=)
CO (1) CO2021002964A2 (https=)
DE (1) DE112019004456T5 (https=)
MX (1) MX2021001378A (https=)
SG (1) SG11202100329VA (https=)
WO (1) WO2020048790A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
JP7681621B2 (ja) * 2020-05-05 2025-05-22 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 ＳＬ－ＨＤＲｘシステム用のＳＤＲ及びＨＤＲ表示適合信号に対するクロマの増大
US12549766B2 (en) 2021-06-01 2026-02-10 Dolby Laboratories Licensing Corporation Rotation-enabled high dynamic range video encoding
TWI788983B (zh) * 2021-08-30 2023-01-01 瑞昱半導體股份有限公司 視訊訊號處理裝置與方法
CN113870769B (zh) * 2021-09-23 2023-03-21 深圳市艾比森光电股份有限公司 显示屏系统的数据处理方法和系统
CN113822826B (zh) * 2021-11-25 2022-02-11 江苏游隼微电子有限公司 一种低照度图像亮度增强方法
EP4187480A1 (en) * 2021-11-26 2023-05-31 Koninklijke Philips N.V. Optimizing the displaying of hdr images
KR102564447B1 (ko) * 2021-11-30 2023-08-08 엘지전자 주식회사 디스플레이 장치
US12299936B2 (en) * 2022-02-28 2025-05-13 Avid Technology, Inc. Low-bitrate encoding of high dynamic range content
US20240357135A1 (en) * 2023-04-21 2024-10-24 Electronics And Telecommunications Research Institute Method for encoding/decoding video and recording medium storing the method for encoding video
WO2025078174A1 (en) * 2023-10-10 2025-04-17 Interdigital Ce Patent Holdings, Sas Correction of sdr data in inverse tone mapping to improve hdr data in sl-hdr1 postproc
EP4636683A1 (en) 2024-04-17 2025-10-22 Koninklijke Philips N.V. Improved luma and chroma mapping for images
CN120512544B (zh) * 2025-07-21 2025-09-19 杭州肉肯肉比比科技有限公司 一种体育赛事直播的多媒体内容智能感知及关联的方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9754629B2 (en) 2010-03-03 2017-09-05 Koninklijke Philips N.V. Methods and apparatuses for processing or defining luminance/color regimes
US9595297B2 (en) 2010-03-03 2017-03-14 Koninklijke Philips N.V. Apparatuses and methods for defining color regimes
EP2689392B1 (en) * 2011-03-24 2015-09-02 Koninklijke Philips N.V. Apparatus and method for analyzing image gradings
RU2670782C9 (ru) * 2013-07-18 2018-11-23 Конинклейке Филипс Н.В. Способы и устройства для создания функций отображения кода для кодирования изображения hdr и способы и устройства для использования таких кодированных изображений
KR102209563B1 (ko) 2014-08-08 2021-02-02 코닌클리케 필립스 엔.브이. Hdr 이미지 인코딩 방법 및 장치
CN107005716B (zh) * 2014-10-10 2020-06-23 皇家飞利浦有限公司 图像编码的方法、图像解码的方法、图像编码器、图像解码器以及显示装置
EP3119088A1 (en) * 2015-07-16 2017-01-18 Thomson Licensing Method and device for encoding an image, method and device for decoding an image
EP3430806B1 (en) * 2016-03-18 2023-06-07 Koninklijke Philips N.V. Encoding and decoding hdr videos
CN107995497B (zh) * 2016-10-26 2021-05-28 杜比实验室特许公司 高动态范围视频的屏幕自适应解码
US11388447B2 (en) 2018-07-20 2022-07-12 Interdigital Vc Holdings, Inc. Method and apparatus for processing a medium dynamic range video signal in SL-HDR2 format

Also Published As

Publication number Publication date
JP7453214B2 (ja) 2024-03-19
EP3847819B1 (en) 2025-04-23
WO2020048790A1 (en) 2020-03-12
US20210360266A1 (en) 2021-11-18
JP2021536701A (ja) 2021-12-27
CA3111150A1 (en) 2020-03-12
EP3847819C0 (en) 2025-04-23
SG11202100329VA (en) 2021-02-25
DE112019004456T5 (de) 2021-06-02
US11272195B2 (en) 2022-03-08
CN112640471A (zh) 2021-04-09
EP3847819A1 (en) 2021-07-14
KR20210055686A (ko) 2021-05-17
MX2021001378A (es) 2021-04-19
CN112640471B (zh) 2024-04-05
CO2021002964A2 (es) 2021-05-10
KR102942989B1 (ko) 2026-03-23

Similar Documents

Publication Publication Date Title
BR112021002187A2 (pt) codificador e decodificador de vídeo de alta faixa dinâmica, método de codificação de vídeo de alta faixa dinâmica de uma imagem de alta faixa dinâmica de entrada recebida e método de decodificação de vídeo de alta faixa dinâmica de uma imagem de faixa dinâmica intermediária recebida
JP6596125B2 (ja) Ｈｄｒイメージの符号化のためのコードマッピング関数を作成するための方法及び装置、並びに、かかる符号化イメージの使用のための方法及び装置
JP7313285B2 (ja) 復号された高ダイナミックレンジ画像の彩度を最適化すること
JP6615251B2 (ja) Ｈｄｒ画像をエンコードするための方法及び装置、並びに、斯様なエンコードされた画像の使用のための方法及び装置
CN108431886B (zh) 针对特定显示器优化高动态范围图像
JP6009539B2 (ja) Ｈｄｒ画像を符号化及び復号化するための装置及び方法
RU2687267C2 (ru) Оптимизация изображений с расширенным динамическим диапазоном для определенных дисплеев
BR112014006977B1 (pt) Aparelho de processamento de imagem, aparelho codificador do sinal de imagem disposto para codificar uma imagem, método de processamento de imagem e método para transmitir um sinal de imagem disposto para codificar uma imagem
JP7705843B2 (ja) Ｈｄｒ画像のための表示最適化挙動の調節
BR112020016222A2 (pt) Decodificador de vídeo, codificador de vídeo, método de decodificação de vídeo e método de codificação de vídeo
JP2019506817A (ja) 複数のｈｄｒ画像ソースの処理
EP3621307A1 (en) Multi-range hdr video coding
JP7695482B2 (ja) Ｈｄｒ画像の表示の最適化
TWI843747B (zh) 多範圍hdr視訊編碼
RU2790178C2 (ru) Многодиапазонное кодирование видео с расширенным динамическим диапазоном
BR112018012456B1 (pt) Aparelho de transformação de cor, decodificador de imagem hdr e método para calcular cores resultantes
BR112016027461B1 (pt) Método de codificação de uma imagem de alta faixa dinâmica, codificador de imagem disposto para codificar uma imagem de alta faixa dinâmica, decodificador de imagem disposto para receber um sinal de imagem de alta faixa dinâmica, e, método de decodificação de um sinal de imagem de alta faixa dinâmica
BR112018010367B1 (pt) Aparelho para combinar duas imagens ou dois vídeos de imagens, e método para combinar duas imagens ou dois vídeos de imagens
BR112015019787B1 (pt) Codificador de imagem, decodificador de imagem, método de codificação de imagem, método de decodificação de imagem, sinal de imagem, e, objeto de memória