MX2017009749A - Metodo y dispositivo para decodificar una imagen en color. - Google Patents
Metodo y dispositivo para decodificar una imagen en color.Info
- Publication number
- MX2017009749A MX2017009749A MX2017009749A MX2017009749A MX2017009749A MX 2017009749 A MX2017009749 A MX 2017009749A MX 2017009749 A MX2017009749 A MX 2017009749A MX 2017009749 A MX2017009749 A MX 2017009749A MX 2017009749 A MX2017009749 A MX 2017009749A
- Authority
- MX
- Mexico
- Prior art keywords
- component
- chrominance components
- color picture
- bitstream
- obtaining
- Prior art date
Links
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]
Abstract
Un método de decodificación de una imagen en color de un flujo de bits, caracterizado porque comprende: - obtener (330) un componente de luminancia final (L) combinando linealmente un componente de luminancia (L´) y crominancia (U´, V´) obtenidos de un flujo de bits; - obtener (310) un primer componente (Y) aplicando una función de expansión dinámica no lineal sobre el componente de luminancia final (L) para que la dinámica del primer componente (Y) se incremente en comparación con la dinámica del componente de luminancia final (L); - obtener (330) un factor de multiplicación normalizado ß´y dividiendo un factor de multiplicación (ß´) obtenido del flujo de bits por la raíz cuadrada del primer componente; - recuperar (320) al menos un componente de color (RGBHDR) de la imagen en color que será decodificada de los componentes de crominancia (U´,V´) y el primer componente (Y): - obteniendo componentes de crominancia intermedios (Ur, Vr) multiplicando los componentes de crominancia (U´,V´) por el factor de multiplicación normalizado (ß´y); - obtener al menos un componente de color intermedio(R#,G#,B#) de los cuadrados de los dos componentes de crominancia intermedios (Ur, Vr), el producto de los dos componentes de crominancia intermedios (Ur, Vr,), una matriz de transformación de color (C); y calculando al menos un componente de color (RGBHDR) de la imagen en color decodificada cuadrando el producto de la raíz cuadrada del primer componente (Y) por uno de al menos un componente de color intermedio (R#G#,B#).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 (1)
Publication Number | Publication Date |
---|---|
MX2017009749A true MX2017009749A (es) | 2017-10-27 |
Family
ID=52596883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017009749A MX2017009749A (es) | 2015-01-30 | 2016-01-27 | Metodo y dispositivo para decodificar una imagen en color. |
Country Status (12)
Country | Link |
---|---|
US (3) | US10455245B2 (es) |
EP (3) | EP3051818A1 (es) |
JP (1) | JP6773659B2 (es) |
KR (2) | KR20230051637A (es) |
CN (1) | CN107211142B (es) |
BR (1) | BR112017015907B1 (es) |
CA (1) | CA2975180C (es) |
MX (1) | MX2017009749A (es) |
MY (1) | MY181616A (es) |
RU (1) | RU2710873C2 (es) |
TW (1) | TWI707578B (es) |
WO (1) | WO2016120330A1 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DK3257042T3 (da) * | 2015-02-13 | 2022-08-01 | Ericsson Telefon Ab L M | Pixel-forbehandling og -kodning |
US11070830B2 (en) * | 2015-08-24 | 2021-07-20 | Interdigital Madison Patent Holdings, Sas | Coding and decoding method with color conversion and corresponding devices |
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 |
US8189034B2 (en) | 2005-06-23 | 2012-05-29 | Koninklijke Philips Electronics N.V. | Combined exchange of image and related depth data |
US7643681B2 (en) * | 2006-01-05 | 2010-01-05 | Media Tek Usa Inc | Color correction involving color phase detection and phase-dependent control |
CN101742306A (zh) * | 2006-01-23 | 2010-06-16 | 马普科技促进协会 | 高动态范围编解码器 |
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 |
US8174621B2 (en) * | 2008-01-12 | 2012-05-08 | Huaya Microelectronics | Digital video decoder architecture |
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 |
KR101346008B1 (ko) | 2009-03-13 | 2013-12-31 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 고 동적 범위, 가시 동적 범위, 및 광색역 비디오의 층상 압축 |
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JP5992997B2 (ja) * | 2011-04-28 | 2016-09-14 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 映像符号化信号を発生する方法及び装置 |
TWI606718B (zh) * | 2012-01-03 | 2017-11-21 | 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 |
EP2748792B1 (en) * | 2012-08-08 | 2016-12-21 | Dolby Laboratories Licensing Corporation | Image processing for hdr images |
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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 |
US11070830B2 (en) * | 2015-08-24 | 2021-07-20 | Interdigital Madison Patent Holdings, Sas | Coding and decoding method with color conversion and corresponding devices |
-
2015
- 2015-01-30 EP EP15305147.9A patent/EP3051818A1/en not_active Withdrawn
-
2016
- 2016-01-27 BR BR112017015907-4A patent/BR112017015907B1/pt active IP Right Grant
- 2016-01-27 JP JP2017539653A patent/JP6773659B2/ja active Active
- 2016-01-27 RU RU2017127149A patent/RU2710873C2/ru active
- 2016-01-27 CA CA2975180A patent/CA2975180C/en active Active
- 2016-01-27 KR KR1020237012223A patent/KR20230051637A/ko not_active Application Discontinuation
- 2016-01-27 KR KR1020177021159A patent/KR102523233B1/ko active IP Right Grant
- 2016-01-27 EP EP16701778.9A patent/EP3251357A1/en not_active Ceased
- 2016-01-27 CN CN201680008048.4A patent/CN107211142B/zh active Active
- 2016-01-27 MX MX2017009749A patent/MX2017009749A/es unknown
- 2016-01-27 MY MYPI2017702476A patent/MY181616A/en unknown
- 2016-01-27 EP EP21162256.8A patent/EP3923580A1/en active Pending
- 2016-01-27 WO PCT/EP2016/051706 patent/WO2016120330A1/en active Application Filing
- 2016-01-27 US US15/546,336 patent/US10455245B2/en active Active
- 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 |
---|---|
US11317108B2 (en) | 2022-04-26 |
US20200053373A1 (en) | 2020-02-13 |
CA2975180A1 (en) | 2016-08-04 |
US20180027252A1 (en) | 2018-01-25 |
KR20230051637A (ko) | 2023-04-18 |
EP3251357A1 (en) | 2017-12-06 |
TW201628409A (zh) | 2016-08-01 |
CN107211142B (zh) | 2020-10-02 |
JP6773659B2 (ja) | 2020-10-21 |
RU2710873C2 (ru) | 2020-01-14 |
BR112017015907A2 (pt) | 2018-03-27 |
EP3923580A1 (en) | 2021-12-15 |
WO2016120330A1 (en) | 2016-08-04 |
US20220210457A1 (en) | 2022-06-30 |
RU2017127149A (ru) | 2019-02-28 |
CN107211142A (zh) | 2017-09-26 |
KR20170115500A (ko) | 2017-10-17 |
MY181616A (en) | 2020-12-29 |
TWI707578B (zh) | 2020-10-11 |
EP3051818A1 (en) | 2016-08-03 |
RU2017127149A3 (es) | 2019-07-24 |
CA2975180C (en) | 2023-09-19 |
KR102523233B1 (ko) | 2023-04-18 |
JP2018507620A (ja) | 2018-03-15 |
US11647213B2 (en) | 2023-05-09 |
US10455245B2 (en) | 2019-10-22 |
BR112017015907B1 (pt) | 2023-12-26 |
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