BR112017028459A2 - métodos e dispositivos para a codificação e decodificação de uma imagem colorida hdr - Google Patents

métodos e dispositivos para a codificação e decodificação de uma imagem colorida hdr

Info

Publication number
BR112017028459A2
BR112017028459A2 BR112017028459A BR112017028459A BR112017028459A2 BR 112017028459 A2 BR112017028459 A2 BR 112017028459A2 BR 112017028459 A BR112017028459 A BR 112017028459A BR 112017028459 A BR112017028459 A BR 112017028459A BR 112017028459 A2 BR112017028459 A2 BR 112017028459A2
Authority
BR
Brazil
Prior art keywords
color image
sdr
encoding
dynamic range
decoding
Prior art date
Application number
BR112017028459A
Other languages
English (en)
Portuguese (pt)
Inventor
LELEANNEC Fabrice
Andrivon Pierre
Lasserre Sebastien
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
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BR112017028459A2 publication Critical patent/BR112017028459A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/172—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 an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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
    • H04N9/643—Hue control means, e.g. flesh tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
BR112017028459A 2015-06-30 2016-06-27 métodos e dispositivos para a codificação e decodificação de uma imagem colorida hdr BR112017028459A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15306042.1A EP3113495A1 (en) 2015-06-30 2015-06-30 Methods and devices for encoding and decoding a hdr color picture
PCT/EP2016/064839 WO2017001331A1 (en) 2015-06-30 2016-06-27 Methods and devices for encoding and decoding a hdr color picture

Publications (1)

Publication Number Publication Date
BR112017028459A2 true BR112017028459A2 (pt) 2018-08-28

Family

ID=53724152

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017028459A BR112017028459A2 (pt) 2015-06-30 2016-06-27 métodos e dispositivos para a codificação e decodificação de uma imagem colorida hdr

Country Status (12)

Country Link
US (1) US20180352257A1 (enExample)
EP (2) EP3113495A1 (enExample)
JP (1) JP2018525883A (enExample)
KR (1) KR20180021869A (enExample)
CN (1) CN107852503A (enExample)
BR (1) BR112017028459A2 (enExample)
CA (1) CA2990988A1 (enExample)
MX (1) MX2017016832A (enExample)
RU (1) RU2710291C2 (enExample)
TW (1) TW201701665A (enExample)
WO (1) WO2017001331A1 (enExample)
ZA (1) ZA201708433B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI764870B (zh) * 2015-07-28 2022-05-21 法商內數位麥德遜專利控股有限公司 視訊訊號處理裝置及方法
WO2017040237A1 (en) * 2015-08-28 2017-03-09 Arris Enterprises Llc Color volume transforms in coding of high dynamic range and wide color gamut sequences
US10720091B2 (en) * 2017-02-16 2020-07-21 Microsoft Technology Licensing, Llc Content mastering with an energy-preserving bloom operator during playback of high dynamic range video
EP3367659A1 (en) * 2017-02-28 2018-08-29 Thomson Licensing Hue changing color gamut mapping
EP3383017A1 (en) * 2017-03-31 2018-10-03 Thomson Licensing Method and device for color gamut mapping
US10574959B2 (en) * 2017-07-05 2020-02-25 Qualcomm Incorporated Color remapping for non-4:4:4 format video content
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
EP3493542A1 (en) * 2017-11-30 2019-06-05 Thomson Licensing Saturation control for high-dynamic range reconstruction
US10546554B2 (en) * 2018-03-26 2020-01-28 Dell Products, Lp System and method for adaptive tone mapping for high dynamic ratio digital images
US10630867B2 (en) * 2018-09-17 2020-04-21 Samsung Electronics Co., Ltd. Perceptual hue preserved color-gamut transferring in non-uniform CIE-1931 color space
JP7138935B2 (ja) * 2018-10-19 2022-09-20 株式会社朋栄 Ｈｄｒ映像をｓｄｒ映像に変換するｈｄｒ広色域映像変換装置及びｈｄｒ広色域映像変換方法
US11348553B2 (en) 2019-02-11 2022-05-31 Samsung Electronics Co., Ltd. Color gamut mapping in the CIE 1931 color space
JP7425810B2 (ja) 2019-06-17 2024-01-31 エルジー エレクトロニクス インコーポレイティド ルママッピングベースのビデオまたは映像コーディング
CN114424574A (zh) * 2019-09-20 2022-04-29 北京字节跳动网络技术有限公司 编解码块的缩放过程
EP3839876A1 (en) * 2019-12-20 2021-06-23 Fondation B-COM Method for converting an image and corresponding device
CN115797152A (zh) * 2021-09-10 2023-03-14 北京字跳网络技术有限公司 一种颜色映射色卡生成方法及装置
US11587213B1 (en) 2021-11-05 2023-02-21 GM Cruise Holdings LLC. Preserving dynamic range in images
CN114511479B (zh) * 2021-12-31 2025-05-06 阿里巴巴（中国）有限公司 图像增强方法和装置
CN115174881B (zh) * 2022-07-15 2024-02-13 深圳市火乐科技发展有限公司 色域映射方法、装置、投影设备及存储介质
CN119172546A (zh) * 2023-06-20 2024-12-20 京东方科技集团股份有限公司 图像处理方法、系统、目标模型的获取方法、设备及介质

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RU2504011C2 (ru) * 2009-03-13 2014-01-10 Долби Лабораторис Лайсэнзин Корпорейшн Многоуровневое сжатие видеоизображения с расширенным динамическим диапазоном, визуальным динамическим диапазоном и широкой цветовой гаммой
US20130107956A1 (en) * 2010-07-06 2013-05-02 Koninklijke Philips Electronics N.V. Generation of high dynamic range images from low dynamic range images
TWI580275B (zh) * 2011-04-15 2017-04-21 杜比實驗室特許公司 高動態範圍影像的編碼、解碼及表示
RU2616158C2 (ru) * 2011-04-28 2017-04-12 Конинклейке Филипс Н.В. Устройства и способы для кодирования и декодирования hdr-изображений
US11640656B2 (en) * 2011-09-27 2023-05-02 Koninklijke Philips N.V. Apparatus and method for dynamic range transforming of images
EP2792145B1 (en) * 2011-12-15 2018-03-21 Dolby Laboratories Licensing Corporation Backwards-compatible delivery of digital cinema content with extended dynamic range
CN103024300B (zh) * 2012-12-25 2015-11-25 华为技术有限公司 一种高动态范围图像显示方法及装置
WO2014128586A1 (en) * 2013-02-21 2014-08-28 Koninklijke Philips N.V. Improved hdr image encoding and decoding methods and devices
CN105324997B (zh) * 2013-06-17 2018-06-29 杜比实验室特许公司 用于增强动态范围信号的分层编码的自适应整形
CN103391435A (zh) * 2013-07-02 2013-11-13 广东工业大学 一种兼容ldr的hdr图像编码方法及其解码方法
JP6202330B2 (ja) * 2013-10-15 2017-09-27 ソニー株式会社 復号装置および復号方法、並びに符号化装置および符号化方法

Also Published As

Publication number Publication date
ZA201708433B (en) 2019-04-24
EP3113495A1 (en) 2017-01-04
WO2017001331A1 (en) 2017-01-05
CA2990988A1 (en) 2017-01-05
MX2017016832A (es) 2018-09-06
JP2018525883A (ja) 2018-09-06
RU2018102703A3 (enExample) 2019-07-31
KR20180021869A (ko) 2018-03-05
EP3329677A1 (en) 2018-06-06
US20180352257A1 (en) 2018-12-06
RU2018102703A (ru) 2019-07-31
RU2710291C2 (ru) 2019-12-25
TW201701665A (zh) 2017-01-01
CN107852503A (zh) 2018-03-27

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Legal Events

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B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL VC HOLDINGS, INC. (US)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements