BR112020011172A2 - processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância - Google Patents

processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância Download PDF

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Publication number
BR112020011172A2
BR112020011172A2 BR112020011172-4A BR112020011172A BR112020011172A2 BR 112020011172 A2 BR112020011172 A2 BR 112020011172A2 BR 112020011172 A BR112020011172 A BR 112020011172A BR 112020011172 A2 BR112020011172 A2 BR 112020011172A2
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BR
Brazil
Prior art keywords
luminance
color
image
input
hdr
Prior art date
Application number
BR112020011172-4A
Other languages
English (en)
Portuguese (pt)
Inventor
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
Application filed by Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of BR112020011172A2 publication Critical patent/BR112020011172A2/pt

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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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • 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
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • 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
    • 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
    • G06T2207/10016—Video; Image sequence
    • 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
    • G06T2207/20092—Interactive image processing based on input by user

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
BR112020011172-4A 2017-12-08 2018-12-06 processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância BR112020011172A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17206169.9A EP3496028A1 (en) 2017-12-08 2017-12-08 Improved high dynamic range video color remapping
EP17206169.9 2017-12-08
PCT/EP2018/083856 WO2019110752A1 (en) 2017-12-08 2018-12-06 Improved high dynamic range video color remapping

Publications (1)

Publication Number Publication Date
BR112020011172A2 true BR112020011172A2 (pt) 2020-11-17

Family

ID=60629574

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020011172-4A BR112020011172A2 (pt) 2017-12-08 2018-12-06 processador de luminância, codificador de vídeo de alta faixa dinâmica, sistema codificador de vídeo de alta faixa dinâmica, decodificador de vídeo de alta faixa dinâmica e método de processamento de luminância

Country Status (9)

Country Link
US (2) US11170478B2 (https=)
EP (2) EP3496028A1 (https=)
JP (1) JP7381463B2 (https=)
KR (1) KR102614452B1 (https=)
CN (1) CN111699507B (https=)
BR (1) BR112020011172A2 (https=)
ES (1) ES2988801T3 (https=)
MX (1) MX2020005813A (https=)
WO (1) WO2019110752A1 (https=)

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US10645358B2 (en) * 2018-02-20 2020-05-05 Gopro, Inc. Saturation management for luminance gains in image processing
US10970828B2 (en) * 2018-12-21 2021-04-06 Ricoh Company, Ltd. Image processing apparatus, image processing system, image processing method, and recording medium
DE102019134799B3 (de) * 2019-12-17 2021-03-25 Schölly Fiberoptic GmbH Bildaufnahmeverfahren unter Verwendung einer Farbtransformation sowie zugehöriges medizinisches Bildaufnahmesystem
US11232607B2 (en) * 2020-01-24 2022-01-25 Adobe Inc. Adding color to digital images
EP3873096A1 (en) 2020-02-25 2021-09-01 Koninklijke Philips N.V. Improved hdr color processing for saturated colors
US11651472B2 (en) 2020-10-16 2023-05-16 Electronics And Telecommunications Research Institute Method for processing immersive video and method for producing immersive video
US20230394636A1 (en) * 2020-10-21 2023-12-07 Interdigital Ce Patent Holdings, Sas Method, device and apparatus for avoiding chroma clipping in a tone mapper while maintaining saturation and preserving hue
CN113271449B (zh) * 2021-07-21 2021-09-28 北京小鸟科技股份有限公司 多种hdr视频的转换系统、方法、设备
CN115797154A (zh) * 2021-09-10 2023-03-14 北京字跳网络技术有限公司 色卡生成方法、图像处理方法、装置及可读存储介质
EP4283459A1 (en) * 2022-05-24 2023-11-29 Koninklijke Philips N.V. Mixing secondary graphics elements in hdr images
CN116029914B (zh) * 2022-07-27 2023-10-20 荣耀终端有限公司 图像处理方法与电子设备
CN119071405B (zh) * 2024-08-05 2025-09-09 维沃移动通信有限公司 色彩矫正方法、装置、设备和存储介质

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US7009627B2 (en) * 2001-11-21 2006-03-07 Canon Kabushiki Kaisha Display apparatus, and image signal processing apparatus and drive control apparatus for the same
US7773158B2 (en) * 2005-10-12 2010-08-10 Panasonic Corporation Visual processing device, display device, and integrated circuit
TWI314424B (en) * 2006-06-23 2009-09-01 Marketech Int Corp System and method for image signal contrast adjustment and overflow compensation
US9417479B2 (en) * 2011-05-13 2016-08-16 Samsung Display Co., Ltd. Method for reducing simultaneous contrast error
US8896641B2 (en) * 2011-06-01 2014-11-25 Lg Display Co., Ltd. Organic light emitting diode display device and method of driving the same
JP5966658B2 (ja) * 2012-06-22 2016-08-10 ソニー株式会社 表示装置、画像処理装置、および表示方法
US10075728B2 (en) * 2012-10-01 2018-09-11 Inria Institut National De Recherche En Informatique Et En Automatique Method and device for motion information prediction refinement
KR102105645B1 (ko) 2012-10-08 2020-05-04 코닌클리케 필립스 엔.브이. 색상 제한들을 통한 루미넌스 변화 이미지 처리
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
CN108182672A (zh) * 2014-05-28 2018-06-19 皇家飞利浦有限公司 用于对hdr图像进行编码的方法和装置以及用于使用这样的编码图像的方法和装置
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
PL3231174T3 (pl) 2014-12-11 2021-03-08 Koninklijke Philips N.V. Optymalizacja obrazów o wysokim zakresie dynamiki dla konkretnych wyświetlaczy
EP3329679A1 (en) * 2015-07-28 2018-06-06 VID SCALE, Inc. High dynamic range video coding architectures with multiple operating modes
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Also Published As

Publication number Publication date
MX2020005813A (es) 2020-08-20
JP7381463B2 (ja) 2023-11-15
US12125183B2 (en) 2024-10-22
RU2020122004A (ru) 2022-01-10
EP3496028A1 (en) 2019-06-12
US20200357100A1 (en) 2020-11-12
EP3721405B1 (en) 2024-03-06
ES2988801T3 (es) 2024-11-21
CN111699507B (zh) 2024-06-18
US11170478B2 (en) 2021-11-09
US20220124293A1 (en) 2022-04-21
JP2021506001A (ja) 2021-02-18
EP3721405C0 (en) 2024-03-06
KR20200097307A (ko) 2020-08-18
WO2019110752A1 (en) 2019-06-13
EP3721405A1 (en) 2020-10-14
CN111699507A (zh) 2020-09-22
KR102614452B1 (ko) 2023-12-14

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