BR112017015790A2 - método e aparelho de codificação e decodificação de uma imagem colorida - Google Patents
método e aparelho de codificação e decodificação de uma imagem coloridaInfo
- Publication number
- BR112017015790A2 BR112017015790A2 BR112017015790A BR112017015790A BR112017015790A2 BR 112017015790 A2 BR112017015790 A2 BR 112017015790A2 BR 112017015790 A BR112017015790 A BR 112017015790A BR 112017015790 A BR112017015790 A BR 112017015790A BR 112017015790 A2 BR112017015790 A2 BR 112017015790A2
- Authority
- BR
- Brazil
- Prior art keywords
- color image
- component
- obtaining
- decoding
- coding
- Prior art date
Links
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
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- 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
-
- 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
- H04N19/117—Filters, e.g. for pre-processing or post-processing
-
- 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
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- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
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- 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
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
-
- 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
- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/57—Control of the dynamic range
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- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0428—Gradation resolution change
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/06—Colour space transformation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Color Television Systems (AREA)
- Image Processing (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
a presente revelação refere-se, de modo geral, a um método e dispositivo de codificação de uma imagem colorida que tem componentes de cor (ec) que compreende obter (11) um componente de luminância (l) e dois componentes de crominância (c1, c2) a partir da imagem colorida a ser codificada. em que o método para codificar uma imagem colorida que tem componentes de cor compreende obter pelo menos um componente de crominância a partir da imagem colorida a ser codificada, sendo que o método é distinguido pelo fato de que compreende adicionalmente: - determinar um primeiro fator com base no valor de cada pixel (i) do dito componente de luminância; - obter pelo menos um componente de crominância final escalonando-se o dito pelo menos um componente de crominância pelo dito primeiro fator; e - codificar (13) o dito pelo menos um componente de crominância final.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15305125.5A EP3051489A1 (en) | 2015-01-30 | 2015-01-30 | A method and apparatus of encoding and decoding a color picture |
EP15306607 | 2015-10-09 | ||
PCT/EP2016/051449 WO2016120209A1 (en) | 2015-01-30 | 2016-01-25 | A method and apparatus of encoding and decoding a color picture |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112017015790A2 true BR112017015790A2 (pt) | 2018-03-27 |
Family
ID=55236354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017015790A BR112017015790A2 (pt) | 2015-01-30 | 2016-01-25 | método e aparelho de codificação e decodificação de uma imagem colorida |
Country Status (12)
Country | Link |
---|---|
US (2) | US10390027B2 (pt) |
EP (2) | EP3251084B1 (pt) |
JP (2) | JP6937695B2 (pt) |
KR (1) | KR102529013B1 (pt) |
CN (2) | CN107211130B (pt) |
AU (2) | AU2016212243B2 (pt) |
BR (1) | BR112017015790A2 (pt) |
CA (1) | CA2975172C (pt) |
MX (2) | MX371076B (pt) |
MY (1) | MY186061A (pt) |
RU (1) | RU2710888C2 (pt) |
WO (1) | WO2016120209A1 (pt) |
Families Citing this family (18)
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CA2975172C (en) | 2015-01-30 | 2023-04-04 | Thomson Licensing | A method and apparatus of encoding and decoding a color picture |
DK3257042T3 (da) * | 2015-02-13 | 2022-08-01 | Ericsson Telefon Ab L M | Pixel-forbehandling og -kodning |
US20160309154A1 (en) * | 2015-04-17 | 2016-10-20 | Qualcomm Incorporated | Dynamic range adjustment for high dynamic range and wide color gamut video coding |
US10257526B2 (en) * | 2015-05-01 | 2019-04-09 | Disney Enterprises, Inc. | Perceptual color transformations for wide color gamut video coding |
EP3113496A1 (en) | 2015-06-30 | 2017-01-04 | Thomson Licensing | Method and device for encoding both a hdr picture and a sdr picture obtained from said hdr picture using color mapping functions |
WO2017046408A1 (en) | 2015-09-18 | 2017-03-23 | Thomson Licensing | Determination of a co-located luminance sample of a color component sample, for hdr coding/decoding |
JP6937781B2 (ja) | 2016-05-04 | 2021-09-22 | 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 | 高ダイナミックレンジ画像を符号化ビットストリームへ符号化/復号する方法と装置 |
US10462334B2 (en) * | 2016-11-04 | 2019-10-29 | Disney Enterprises, Inc. | Pipeline for high dynamic range video coding based on luminance independent chromaticity preprocessing |
EP3367658A1 (en) | 2017-02-24 | 2018-08-29 | Thomson Licensing | Method and device for reconstructing an hdr image |
EP3367659A1 (en) * | 2017-02-28 | 2018-08-29 | Thomson Licensing | Hue changing color gamut mapping |
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JP6659178B2 (ja) * | 2017-03-01 | 2020-03-04 | キヤノン株式会社 | 画像処理装置および画像処理方法 |
US10778978B2 (en) * | 2017-08-21 | 2020-09-15 | Qualcomm Incorporated | System and method of cross-component dynamic range adjustment (CC-DRA) in video coding |
IT201800000555A1 (it) * | 2018-01-04 | 2019-07-04 | St Microelectronics Srl | Architettura di decodifica di riga per un dispositivo di memoria non volatile a cambiamento di fase e relativo metodo di decodifica di riga |
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WO2020228764A1 (en) * | 2019-05-14 | 2020-11-19 | Beijing Bytedance Network Technology Co., Ltd. | Methods on scaling in video coding |
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2016
- 2016-01-25 CA CA2975172A patent/CA2975172C/en active Active
- 2016-01-25 EP EP16701608.8A patent/EP3251084B1/en active Active
- 2016-01-25 WO PCT/EP2016/051449 patent/WO2016120209A1/en active Application Filing
- 2016-01-25 CN CN201680008047.XA patent/CN107211130B/zh active Active
- 2016-01-25 EP EP22171742.4A patent/EP4089627A3/en active Pending
- 2016-01-25 MX MX2017009748A patent/MX371076B/es active IP Right Grant
- 2016-01-25 MY MYPI2017702443A patent/MY186061A/en unknown
- 2016-01-25 JP JP2017539642A patent/JP6937695B2/ja active Active
- 2016-01-25 KR KR1020177020984A patent/KR102529013B1/ko active IP Right Grant
- 2016-01-25 AU AU2016212243A patent/AU2016212243B2/en active Active
- 2016-01-25 RU RU2017130386A patent/RU2710888C2/ru active
- 2016-01-25 BR BR112017015790A patent/BR112017015790A2/pt active Search and Examination
- 2016-01-25 CN CN202010654525.2A patent/CN111654697B/zh active Active
- 2016-01-25 US US15/547,512 patent/US10390027B2/en active Active
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2017
- 2017-07-27 MX MX2019013809A patent/MX2019013809A/es unknown
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2019
- 2019-05-10 US US16/408,639 patent/US11178412B2/en active Active
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2021
- 2021-02-18 AU AU2021201048A patent/AU2021201048B2/en active Active
- 2021-08-31 JP JP2021141988A patent/JP7356478B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
RU2017130386A3 (pt) | 2019-07-17 |
RU2017130386A (ru) | 2019-02-28 |
CA2975172C (en) | 2023-04-04 |
WO2016120209A1 (en) | 2016-08-04 |
CN111654697B (zh) | 2022-07-19 |
JP6937695B2 (ja) | 2021-09-22 |
AU2021201048B2 (en) | 2022-04-28 |
CA2975172A1 (en) | 2016-08-04 |
KR102529013B1 (ko) | 2023-05-08 |
US11178412B2 (en) | 2021-11-16 |
CN111654697A (zh) | 2020-09-11 |
MX2019013809A (es) | 2020-01-15 |
EP4089627A2 (en) | 2022-11-16 |
AU2021201048A1 (en) | 2021-03-11 |
EP4089627A3 (en) | 2022-12-28 |
RU2710888C2 (ru) | 2020-01-14 |
CN107211130B (zh) | 2020-07-24 |
MX371076B (es) | 2019-11-20 |
MY186061A (en) | 2021-06-17 |
US20180007372A1 (en) | 2018-01-04 |
CN107211130A (zh) | 2017-09-26 |
AU2016212243B2 (en) | 2020-11-26 |
JP2021193806A (ja) | 2021-12-23 |
EP3251084A1 (en) | 2017-12-06 |
JP2018507619A (ja) | 2018-03-15 |
AU2016212243A1 (en) | 2017-08-10 |
EP3251084B1 (en) | 2022-05-18 |
US10390027B2 (en) | 2019-08-20 |
MX2017009748A (es) | 2017-10-27 |
US20190268610A1 (en) | 2019-08-29 |
KR20170110087A (ko) | 2017-10-10 |
JP7356478B2 (ja) | 2023-10-04 |
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