CL2017000781A1 - Dispositivo de codificación de video, dispositivo de descodificación de video, método de codificación de video, método de descodificación de video y programa - Google Patents

Dispositivo de codificación de video, dispositivo de descodificación de video, método de codificación de video, método de descodificación de video y programa

Info

Publication number
CL2017000781A1
CL2017000781A1 CL2017000781A CL2017000781A CL2017000781A1 CL 2017000781 A1 CL2017000781 A1 CL 2017000781A1 CL 2017000781 A CL2017000781 A CL 2017000781A CL 2017000781 A CL2017000781 A CL 2017000781A CL 2017000781 A1 CL2017000781 A1 CL 2017000781A1
Authority
CL
Chile
Prior art keywords
quantification
video
video coding
video decoding
program
Prior art date
Application number
CL2017000781A
Other languages
English (en)
Inventor
Keiichi Chono
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of CL2017000781A1 publication Critical patent/CL2017000781A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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 block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)

Abstract

<p>EN LA PRESENTE INVENCIÓN, UN DISPOSITIVO DE CODIFICACIÓN DE VIDEO ES CAPAZ DE SELECCIONAR, DE ENTRE MÚLTIPLES ESPACIOS DO COLOR, UN ESPACIO DE COLOR DE UNA SEÑAL DE ERROR DE PREDICCIÓN EN UNIDADES DE BLOQUE CODIFICADAS, E INCLUYE LO SIGUIENTE: UNA PARTE DE DERIVACIÓN DE COMPENSACIÓN DE CUANTIFICACIÓN DE CROMINANCIA ADAPTABLE PARA DERIVAR UNA COMPENSACIÓN DE CUANTIFICACIÓN PARA CADA ESPACIO DO COLOR; Y UNA PARTE DE CUANTIFICACIÓN INVERSA QUE REALIZA CUANTIFICACIÓN INVERSA EN UNA IMAGEN DE COEFICIENTE DE CUANTIFICACIÓN UTILIZANDO LA COMPENSACIÓN DE CUANTIFICACIÓN DE CROMINANCIA PARA CADA ESPACIO DE COLOR.</p>
CL2017000781A 2014-10-03 2017-03-31 Dispositivo de codificación de video, dispositivo de descodificación de video, método de codificación de video, método de descodificación de video y programa CL2017000781A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014204392 2014-10-03

Publications (1)

Publication Number Publication Date
CL2017000781A1 true CL2017000781A1 (es) 2017-11-03

Family

ID=55629723

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2017000781A CL2017000781A1 (es) 2014-10-03 2017-03-31 Dispositivo de codificación de video, dispositivo de descodificación de video, método de codificación de video, método de descodificación de video y programa

Country Status (19)

Country Link
US (2) US11039141B2 (es)
EP (1) EP3203739A4 (es)
JP (1) JP6540707B2 (es)
KR (1) KR101989710B1 (es)
CN (3) CN107113431B (es)
AU (1) AU2015326293B2 (es)
BR (1) BR112017006461B1 (es)
CA (1) CA2963338A1 (es)
CL (1) CL2017000781A1 (es)
CO (1) CO2017003030A2 (es)
MA (1) MA40120B1 (es)
MX (1) MX2017004088A (es)
PE (1) PE20171159A1 (es)
PH (1) PH12017500600A1 (es)
RU (1) RU2017110786A (es)
SG (1) SG11201702743WA (es)
TW (1) TW201631974A (es)
WO (1) WO2016051643A1 (es)
ZA (1) ZA201702044B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013109838A1 (en) * 2012-01-20 2013-07-25 Sony Corporation Chroma quantization parameter extension
US9609362B2 (en) 2014-10-06 2017-03-28 Telefonaktiebolaget Lm Ericsson (Publ) Coding and deriving quantization parameters
US9883184B2 (en) * 2014-10-07 2018-01-30 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
US10477212B2 (en) * 2016-10-11 2019-11-12 Dolby Laboratories Licensing Corporation Adaptive chroma quantization in video coding for multiple color imaging formats
EP3526968A4 (en) * 2016-10-12 2020-06-03 Telefonaktiebolaget LM Ericsson (publ) RESIDUAL REFINEMENT OF COLOR COMPONENTS
US11019338B2 (en) 2018-02-01 2021-05-25 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
WO2020251268A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 크로마 성분에 대한 영상 디코딩 방법 및 그 장치
CN116828176A (zh) * 2019-06-11 2023-09-29 Lg电子株式会社 解码设备、编码设备和发送设备
KR20240036119A (ko) * 2019-06-28 2024-03-19 엘지전자 주식회사 크로마 양자화 파라미터 테이블을 사용하는 영상 디코딩 방법 및 그 장치
US20220408088A1 (en) * 2019-08-22 2022-12-22 Lg Electronics Inc. Image decoding method and device for coding chroma quantization parameter offset-related information
WO2021086024A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 색공간 변환을 이용하여 레지듀얼 처리를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
EP4054189A4 (en) * 2019-10-28 2023-11-22 LG Electronics Inc. METHOD AND DEVICE FOR CODING/DECODING IMAGES USING COLOR SPACE CONVERSION AND METHOD FOR TRANSMITTING BIT STREAMS
CN114902666A (zh) * 2019-10-28 2022-08-12 Lg电子株式会社 使用自适应颜色变换的图像编码/解码方法和装置以及发送比特流的方法
US12028536B2 (en) * 2019-11-05 2024-07-02 Lg Electronics Inc. Image or video coding based on chroma quantization parameter offset information
US11336913B2 (en) 2019-11-22 2022-05-17 Apple Inc. Reference picture re-sampling
CN114731437B (zh) * 2019-11-26 2024-04-23 韦勒斯标准与技术协会公司 通过使用自适应颜色空间变换处理视频信号的方法和设备
CN115002512B (zh) * 2022-05-23 2023-11-28 北京市商汤科技开发有限公司 视频转码方法及装置、电子设备和存储介质

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69817460T2 (de) * 1997-06-09 2004-06-09 Hitachi, Ltd. Bildsequenzdekodierungsverfahren
US20050259730A1 (en) * 2004-05-18 2005-11-24 Sharp Laboratories Of America, Inc. Video coding with residual color conversion using reversible YCoCg
KR100723408B1 (ko) 2004-07-22 2007-05-30 삼성전자주식회사 컬러영상의 변환/역변환 및 양자화/역양자화 방법 및장치와, 이를 이용한 컬러영상의 부호화/복호화 방법 및장치
US7184603B2 (en) 2004-11-15 2007-02-27 Smith Micro Software, Inc. System and method for lossless compression of digital images
KR101138392B1 (ko) * 2004-12-30 2012-04-26 삼성전자주식회사 색차 성분의 상관관계를 이용한 컬러 영상의 부호화,복호화 방법 및 그 장치
KR100763178B1 (ko) 2005-03-04 2007-10-04 삼성전자주식회사 색 공간 스케일러블 비디오 코딩 및 디코딩 방법, 이를위한 장치
KR101246915B1 (ko) * 2005-04-18 2013-03-25 삼성전자주식회사 동영상 부호화 또는 복호화 방법 및 장치
CN103297769B (zh) 2006-01-13 2016-09-07 Ge视频压缩有限责任公司 使用自适应色彩空间变换的画面编码
WO2009028922A2 (en) * 2007-09-02 2009-03-05 Lg Electronics Inc. A method and an apparatus for processing a video signal
US8279924B2 (en) 2008-10-03 2012-10-02 Qualcomm Incorporated Quantization parameter selections for encoding of chroma and luma video blocks
JP2011151683A (ja) 2010-01-22 2011-08-04 Sony Corp 画像処理装置および方法
CN102223525B (zh) 2010-04-13 2014-02-19 富士通株式会社 视频解码方法和系统
US8660178B2 (en) 2010-07-01 2014-02-25 Broadcom Corporation Method and system for multi-layer rate control for a multi-codec system
GB2487717B (en) * 2011-01-25 2017-06-21 Advanced Risc Mach Ltd Image encoding method
ES2807351T3 (es) 2011-06-27 2021-02-22 Sun Patent Trust Procedimiento de codificación de imágenes, procedimiento de descodificación de imágenes, dispositivo de codificación de imágenes, dispositivo de descodificación de imágenes y dispositivo de codificación/descodificación de imágenes
US9143805B2 (en) * 2011-07-14 2015-09-22 Panasonic Intellectual Property Corporation Of America Method of image coding chrominance signal and method of image decoding chrominance signal
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
WO2013109838A1 (en) 2012-01-20 2013-07-25 Sony Corporation Chroma quantization parameter extension
US20130321675A1 (en) 2012-05-31 2013-12-05 Apple Inc. Raw scaler with chromatic aberration correction
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
MX345489B (es) * 2012-12-18 2017-02-02 Sony Corp Dispositivo para procesamiento de imagen y metodo para procesamiento de imagen.
CN103501437B (zh) 2013-09-29 2016-06-22 北京航空航天大学 一种基于分形和h.264的高光谱图像压缩方法
KR20200014945A (ko) * 2014-03-14 2020-02-11 브이아이디 스케일, 인크. Rgb 비디오 코딩 향상을 위한 시스템 및 방법
US10116937B2 (en) 2014-03-27 2018-10-30 Microsoft Technology Licensing, Llc Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces
US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding

Also Published As

Publication number Publication date
US20210266553A1 (en) 2021-08-26
AU2015326293A1 (en) 2017-04-06
MA40120B1 (fr) 2018-11-30
CN107113431A (zh) 2017-08-29
US11039141B2 (en) 2021-06-15
PH12017500600A1 (en) 2017-09-04
EP3203739A1 (en) 2017-08-09
CN112261411A (zh) 2021-01-22
MX2017004088A (es) 2017-07-07
CA2963338A1 (en) 2016-04-07
CN107113431B (zh) 2020-12-01
RU2017110786A3 (es) 2018-11-06
CN112261410A (zh) 2021-01-22
AU2015326293B2 (en) 2018-05-17
JPWO2016051643A1 (ja) 2017-07-20
CN112261410B (zh) 2024-08-20
CO2017003030A2 (es) 2017-06-20
US11575900B2 (en) 2023-02-07
WO2016051643A1 (ja) 2016-04-07
KR101989710B1 (ko) 2019-06-14
SG11201702743WA (en) 2017-06-29
US20170318293A1 (en) 2017-11-02
RU2017110786A (ru) 2018-11-06
TW201631974A (zh) 2016-09-01
MA40120A1 (fr) 2018-02-28
EP3203739A4 (en) 2018-04-25
KR20170052624A (ko) 2017-05-12
ZA201702044B (en) 2018-08-29
JP6540707B2 (ja) 2019-07-10
BR112017006461B1 (pt) 2024-04-30
BR112017006461A2 (pt) 2017-12-19
PE20171159A1 (es) 2017-08-17

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