BR112017015907A2 - método e dispositivo para decodificar uma representação gráfica colorida - Google Patents
método e dispositivo para decodificar uma representação gráfica coloridaInfo
- Publication number
- BR112017015907A2 BR112017015907A2 BR112017015907A BR112017015907A BR112017015907A2 BR 112017015907 A2 BR112017015907 A2 BR 112017015907A2 BR 112017015907 A BR112017015907 A BR 112017015907A BR 112017015907 A BR112017015907 A BR 112017015907A BR 112017015907 A2 BR112017015907 A2 BR 112017015907A2
- Authority
- BR
- Brazil
- Prior art keywords
- component
- chrominance components
- color
- bit stream
- decoding
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000005312 nonlinear dynamic Methods 0.000 abstract 2
Classifications
-
- 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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or 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
- H04N19/30—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
- H04N19/44—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
- H04N19/90—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]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Image Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Color Image Communication Systems (AREA)
- Color Television Systems (AREA)
Abstract
a presente revelação se refere em geral a um dispositivo e a um método de decodificação de uma representação gráfica colorida a partir de um fluxo de bits. isso compreende: obter uma luminância de faixa estendida como um primeiro componente pela aplicação de uma função de expressão dinâmica não linear para um componente de luminância obtido a partir do fluxo de bits, em que a dita função de expressão dinâmica não linear é determinada dependendo de um inverso de uma função de redução dinâmica que foi aplicado a um componente de luminância original obtido quando se codifica a representação gráfica colorida; obter um segundo componente pelo cálculo de uma raiz quadrada de uma diferença entre um valor determinado pelo primeiro componente e um outro valor computado como uma combinação linear de um produto de multiplicação de dois componentes de crominância e valores quadrados dos dois componentes de crominância obtidos a partir do fluxo de bits; e obter pelo menos um componente de cor da representação gráfica colorida a ser decodificado pelo menos a partir do dito segundo componente e dos ditos dois componentes de crominância pela determinação do dito pelo menos um componente de cor como uma combinação linear do segundo componente e dos dois componentes de crominância.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15305147.9 | 2015-01-30 | ||
EP15305147.9A EP3051818A1 (en) | 2015-01-30 | 2015-01-30 | Method and device for decoding a color picture |
PCT/EP2016/051706 WO2016120330A1 (en) | 2015-01-30 | 2016-01-27 | Method and device for decoding a color picture |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112017015907A2 true BR112017015907A2 (pt) | 2018-03-27 |
BR112017015907B1 BR112017015907B1 (pt) | 2023-12-26 |
Family
ID=52596883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017015907-4A BR112017015907B1 (pt) | 2015-01-30 | 2016-01-27 | Método, dispositivo e mídia de armazenamento não transitório legível por computador para decodificação de uma representação gráfica colorida a partir de um fluxo de bits |
Country Status (12)
Country | Link |
---|---|
US (3) | US10455245B2 (pt) |
EP (3) | EP3051818A1 (pt) |
JP (1) | JP6773659B2 (pt) |
KR (2) | KR20230051637A (pt) |
CN (1) | CN107211142B (pt) |
BR (1) | BR112017015907B1 (pt) |
CA (1) | CA2975180C (pt) |
MX (1) | MX2017009749A (pt) |
MY (1) | MY181616A (pt) |
RU (1) | RU2710873C2 (pt) |
TW (1) | TWI707578B (pt) |
WO (1) | WO2016120330A1 (pt) |
Families Citing this family (11)
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RU2679239C1 (ru) * | 2015-02-13 | 2019-02-06 | Телефонактиеболагет Лм Эрикссон (Пабл) | Предобработка и кодирование пикселей |
KR102509504B1 (ko) * | 2015-08-24 | 2023-03-13 | 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 | 코딩 및 디코딩 방법과 대응하는 디바이스 |
CN108027978B (zh) | 2015-09-18 | 2023-09-22 | 交互数字Vc控股公司 | 用于hdr编码/解码的颜色分量采样的同位置亮度采样的确定 |
EP3367659A1 (en) * | 2017-02-28 | 2018-08-29 | Thomson Licensing | Hue changing color gamut mapping |
US10778978B2 (en) * | 2017-08-21 | 2020-09-15 | Qualcomm Incorporated | System and method of cross-component dynamic range adjustment (CC-DRA) in video coding |
JP7074461B2 (ja) * | 2017-11-22 | 2022-05-24 | インターデジタル ヴイシー ホールディングス, インコーポレイテッド | ディスプレイ適合hdr画像を再構成する方法およびデバイス |
EP3503019A1 (en) * | 2017-12-21 | 2019-06-26 | Thomson Licensing | Improved inverse tone mapping method and corresponding device |
CN108804993B (zh) * | 2018-03-13 | 2019-04-16 | 深圳银兴科技开发有限公司 | 基于修正式图像处理的搜索方法 |
CN111435990B (zh) * | 2019-01-15 | 2022-09-09 | 华为技术有限公司 | 颜色空间编码方法及设备 |
CN113240644B (zh) * | 2021-05-17 | 2022-04-22 | 青岛信芯微电子科技股份有限公司 | 高动态范围图像的显示处理方法及相关装置 |
US11587213B1 (en) | 2021-11-05 | 2023-02-21 | GM Cruise Holdings LLC. | Preserving dynamic range in images |
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US5008741A (en) * | 1989-04-07 | 1991-04-16 | Tektronix, Inc. | Method and apparatus for processing component signals to preserve high frequency intensity information |
CA2094523C (en) * | 1992-07-30 | 1999-05-25 | Ephraim Feig | Digital image processor for color image transmission |
US8218625B2 (en) * | 2004-04-23 | 2012-07-10 | Dolby Laboratories Licensing Corporation | Encoding, decoding and representing high dynamic range images |
US7970219B2 (en) * | 2004-12-30 | 2011-06-28 | Samsung Electronics Co., Ltd. | Color image encoding and decoding method and apparatus using a correlation between chrominance components |
JP5020947B2 (ja) | 2005-06-23 | 2012-09-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画像及び関連する深さデータの結合されたやり取り |
US7643681B2 (en) * | 2006-01-05 | 2010-01-05 | Media Tek Usa Inc | Color correction involving color phase detection and phase-dependent control |
WO2007082562A2 (en) * | 2006-01-23 | 2007-07-26 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | High dynamic range codecs |
US7929753B2 (en) * | 2006-11-29 | 2011-04-19 | Kwe International Inc. | Image processing including, but not limited to, logarithimic coding in color coordinate systems including systems with a coordinate defined by a square root of a quadratic polynomial in tristimulus values and, possibly, by a sign of a function of one or more of tristimulus values |
US8237865B2 (en) * | 2006-12-18 | 2012-08-07 | Emanuele Salvucci | Multi-compatible low and high dynamic range and high bit-depth texture and video encoding system |
US7826673B2 (en) | 2007-01-23 | 2010-11-02 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction with color-conversion |
US8085852B2 (en) * | 2007-06-26 | 2011-12-27 | Mitsubishi Electric Research Laboratories, Inc. | Inverse tone mapping for bit-depth scalable image coding |
US8019150B2 (en) * | 2007-10-11 | 2011-09-13 | Kwe International, Inc. | Color quantization based on desired upper bound for relative quantization step |
US8175158B2 (en) * | 2008-01-04 | 2012-05-08 | Sharp Laboratories Of America, Inc. | Methods and systems for inter-layer image prediction parameter determination |
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CN101953166B (zh) * | 2008-02-21 | 2013-06-05 | 法国电信公司 | 被划分为像素块的图像或图像序列的编码和解码 |
US20100080459A1 (en) * | 2008-09-26 | 2010-04-01 | Qualcomm Incorporated | Content adaptive histogram enhancement |
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US9069713B2 (en) | 2009-06-05 | 2015-06-30 | Qualcomm Incorporated | 4X4 transform for media coding |
US8743291B2 (en) * | 2011-04-12 | 2014-06-03 | Dolby Laboratories Licensing Corporation | Quality assessment for images that have extended dynamic ranges or wide color gamuts |
CN103621084A (zh) * | 2011-04-28 | 2014-03-05 | 皇家飞利浦有限公司 | 用于生成图像编码信号的方法和装置 |
TWI556629B (zh) * | 2012-01-03 | 2016-11-01 | 杜比實驗室特許公司 | 規定視覺動態範圍編碼操作及參數 |
GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
GB2503234B (en) * | 2012-06-19 | 2019-08-21 | British Broadcasting Corp | Video coding and decoding |
RU2580093C2 (ru) * | 2012-08-08 | 2016-04-10 | Долби Лабораторис Лайсэнзин Корпорейшн | Обработка изображений для изображений с расширенным динамическим диапазоном (hdr) |
US10264261B2 (en) * | 2013-08-27 | 2019-04-16 | Integrated Device Technology, Inc. | Entropy encoding initialization for a block dependent upon an unencoded block |
JP2017512393A (ja) * | 2014-02-21 | 2017-05-18 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 高解像度及び高ダイナミックレンジを可能とするビデオデコーダ |
KR102509504B1 (ko) * | 2015-08-24 | 2023-03-13 | 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 | 코딩 및 디코딩 방법과 대응하는 디바이스 |
-
2015
- 2015-01-30 EP EP15305147.9A patent/EP3051818A1/en not_active Withdrawn
-
2016
- 2016-01-27 US US15/546,336 patent/US10455245B2/en active Active
- 2016-01-27 RU RU2017127149A patent/RU2710873C2/ru active
- 2016-01-27 EP EP16701778.9A patent/EP3251357A1/en not_active Ceased
- 2016-01-27 JP JP2017539653A patent/JP6773659B2/ja active Active
- 2016-01-27 KR KR1020237012223A patent/KR20230051637A/ko not_active Application Discontinuation
- 2016-01-27 CN CN201680008048.4A patent/CN107211142B/zh active Active
- 2016-01-27 EP EP21162256.8A patent/EP3923580A1/en active Pending
- 2016-01-27 CA CA2975180A patent/CA2975180C/en active Active
- 2016-01-27 MX MX2017009749A patent/MX2017009749A/es unknown
- 2016-01-27 BR BR112017015907-4A patent/BR112017015907B1/pt active IP Right Grant
- 2016-01-27 MY MYPI2017702476A patent/MY181616A/en unknown
- 2016-01-27 WO PCT/EP2016/051706 patent/WO2016120330A1/en active Application Filing
- 2016-01-27 KR KR1020177021159A patent/KR102523233B1/ko active IP Right Grant
- 2016-01-29 TW TW105102773A patent/TWI707578B/zh active
-
2019
- 2019-10-17 US US16/655,558 patent/US11317108B2/en active Active
-
2022
- 2022-03-21 US US17/700,284 patent/US11647213B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CA2975180A1 (en) | 2016-08-04 |
EP3251357A1 (en) | 2017-12-06 |
BR112017015907B1 (pt) | 2023-12-26 |
WO2016120330A1 (en) | 2016-08-04 |
KR20170115500A (ko) | 2017-10-17 |
MY181616A (en) | 2020-12-29 |
CN107211142A (zh) | 2017-09-26 |
RU2710873C2 (ru) | 2020-01-14 |
US20180027252A1 (en) | 2018-01-25 |
US20220210457A1 (en) | 2022-06-30 |
KR20230051637A (ko) | 2023-04-18 |
EP3051818A1 (en) | 2016-08-03 |
CA2975180C (en) | 2023-09-19 |
MX2017009749A (es) | 2017-10-27 |
RU2017127149A (ru) | 2019-02-28 |
KR102523233B1 (ko) | 2023-04-18 |
TW201628409A (zh) | 2016-08-01 |
US10455245B2 (en) | 2019-10-22 |
JP2018507620A (ja) | 2018-03-15 |
RU2017127149A3 (pt) | 2019-07-24 |
CN107211142B (zh) | 2020-10-02 |
US11647213B2 (en) | 2023-05-09 |
EP3923580A1 (en) | 2021-12-15 |
JP6773659B2 (ja) | 2020-10-21 |
US11317108B2 (en) | 2022-04-26 |
US20200053373A1 (en) | 2020-02-13 |
TWI707578B (zh) | 2020-10-11 |
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Legal Events
Date | Code | Title | Description |
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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] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/01/2016, OBSERVADAS AS CONDICOES LEGAIS |