[go: up one dir, main page]

MX2017004088A - Dispositivo de codificacion de video, dispositivo de descodificacion de video, metodo de codificacion de video, metodo de descodificacion de video y programa. - Google Patents

Dispositivo de codificacion de video, dispositivo de descodificacion de video, metodo de codificacion de video, metodo de descodificacion de video y programa.

Info

Publication number
MX2017004088A
MX2017004088A MX2017004088A MX2017004088A MX2017004088A MX 2017004088 A MX2017004088 A MX 2017004088A MX 2017004088 A MX2017004088 A MX 2017004088A MX 2017004088 A MX2017004088 A MX 2017004088A MX 2017004088 A MX2017004088 A MX 2017004088A
Authority
MX
Mexico
Prior art keywords
video
video coding
quantization
video decoding
program
Prior art date
Application number
MX2017004088A
Other languages
English (en)
Inventor
Chono Keiichi
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 MX2017004088A publication Critical patent/MX2017004088A/es

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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/70—Methods 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

En la presente invención, un dispositivo de codificación de video es capaz de seleccionar, de entre múltiples espacios de 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 de 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.
MX2017004088A 2014-10-03 2015-08-12 Dispositivo de codificacion de video, dispositivo de descodificacion de video, metodo de codificacion de video, metodo de descodificacion de video y programa. MX2017004088A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014204392 2014-10-03
PCT/JP2015/004037 WO2016051643A1 (ja) 2014-10-03 2015-08-12 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法及びプログラム

Publications (1)

Publication Number Publication Date
MX2017004088A true MX2017004088A (es) 2017-07-07

Family

ID=55629723

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017004088A MX2017004088A (es) 2014-10-03 2015-08-12 Dispositivo de codificacion de video, dispositivo de descodificacion de video, metodo de codificacion de video, metodo de descodificacion de video y programa.

Country Status (19)

Country Link
US (2) US11039141B2 (es)
EP (2) EP4436170A3 (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 (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111277832B (zh) * 2012-01-20 2023-06-02 索尼集团公司 解码装置和解码方法
WO2016056977A1 (en) 2014-10-06 2016-04-14 Telefonaktiebolaget L M Ericsson (Publ) Coding and deriving quantization parameters
US10477212B2 (en) * 2016-10-11 2019-11-12 Dolby Laboratories Licensing Corporation Adaptive chroma quantization in video coding for multiple color imaging formats
WO2018070914A1 (en) * 2016-10-12 2018-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Residual refinement of color components
CN113573057B (zh) * 2018-02-01 2023-07-18 寰发股份有限公司 具有视频数据自适应量化的视频编码或解码方法和装置
KR102594690B1 (ko) * 2019-06-11 2023-10-26 엘지전자 주식회사 크로마 양자화 파라미터 데이터 기반 영상 디코딩 방법 및 그 장치
WO2020251268A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 크로마 성분에 대한 영상 디코딩 방법 및 그 장치
WO2020262909A1 (ko) * 2019-06-28 2020-12-30 엘지전자 주식회사 크로마 양자화 파라미터 테이블을 사용하는 영상 디코딩 방법 및 그 장치
CN114258677B (zh) * 2019-08-22 2025-02-07 Lg电子株式会社 图像解码方法、图像编码方法和用于图像数据的传输方法
WO2021086022A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 색상 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
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
ES3040393T3 (en) 2019-10-28 2025-10-30 Lg Electronics Inc Method for encoding/decoding image using color space conversion, and method for transmitting bitstream
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
CN118317118A (zh) 2019-11-26 2024-07-09 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
JP7277354B2 (ja) * 2019-12-26 2023-05-18 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
JP2023519114A (ja) * 2020-03-16 2023-05-10 インターデジタル ブイシー ホールディングス フランス ビデオコーディングにおける彩度オフセット存在の信号伝達
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 (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2240118C (en) * 1997-06-09 2005-11-22 Hitachi Ltd. Image sequence coding method and decoding method
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
JP5101522B2 (ja) 2006-01-13 2012-12-19 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 適応色空間変換を用いた画像符号化
US9237357B2 (en) * 2007-09-02 2016-01-12 Lg Electronics Inc. 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
AU2012277160B2 (en) 2011-06-27 2016-12-15 Sun Patent Trust Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/decoding device
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
CN111277832B (zh) 2012-01-20 2023-06-02 索尼集团公司 解码装置和解码方法
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
BR112015013768A2 (pt) * 2012-12-18 2017-07-11 Sony Corp dispositivo, e, método de processamento de imagem
JP5839505B2 (ja) 2013-04-09 2016-01-06 Ｎｅｃプラットフォームズ株式会社 無線中継装置、無線中継装置の制御方法、プログラム、および無線通信システム
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
MX356497B (es) * 2014-03-14 2018-05-31 Vid Scale Inc Sistemas y metodos para una mejora de codificacion de video rgb.
EP3123716B1 (en) * 2014-03-27 2020-10-28 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
CA2963338A1 (en) 2016-04-07
RU2017110786A (ru) 2018-11-06
CN107113431B (zh) 2020-12-01
EP3203739A4 (en) 2018-04-25
CL2017000781A1 (es) 2017-11-03
BR112017006461A2 (pt) 2017-12-19
KR20170052624A (ko) 2017-05-12
JP6540707B2 (ja) 2019-07-10
WO2016051643A1 (ja) 2016-04-07
RU2017110786A3 (es) 2018-11-06
CN112261410B (zh) 2024-08-20
EP4436170A3 (en) 2024-10-30
AU2015326293B2 (en) 2018-05-17
US20170318293A1 (en) 2017-11-02
US11039141B2 (en) 2021-06-15
PH12017500600A1 (en) 2017-09-04
BR112017006461B1 (pt) 2024-04-30
MA40120A1 (fr) 2018-02-28
CO2017003030A2 (es) 2017-06-20
PE20171159A1 (es) 2017-08-17
JPWO2016051643A1 (ja) 2017-07-20
CN112261411B (zh) 2024-10-29
MA40120B1 (fr) 2018-11-30
TW201631974A (zh) 2016-09-01
CN112261411A (zh) 2021-01-22
SG11201702743WA (en) 2017-06-29
KR101989710B1 (ko) 2019-06-14
EP4436170A2 (en) 2024-09-25
US20210266553A1 (en) 2021-08-26
CN112261410A (zh) 2021-01-22
EP3203739A1 (en) 2017-08-09
CN107113431A (zh) 2017-08-29
ZA201702044B (en) 2018-08-29
AU2015326293A1 (en) 2017-04-06
US11575900B2 (en) 2023-02-07

Similar Documents

Publication Publication Date Title
PH12017500600A1 (en) Video coding device, video decoding device, video coding method, video decoding method and program
ZA202101569B (en) Image encoding/decoding method and device using intra prediction
SG11202006301YA (en) Intra block copy for video coding
EP3078192A4 (en) Method of video coding using prediction based on intra picture block copy
ZA202301412B (en) Intra prediction-based video encoding/decoding method and device
EP3849183A4 (en) Method and device for coding/decoding image using intra prediction
CA3264811A1 (en) Improved intra prediction in video coding
EP4380161A3 (en) Methods and apparatuses for coding a block of video data
GB2573443A (en) Adaptive unequal weight planar prediction
PL3709645T3 (pl) Endowanie i dekodowanie video na podstawie predykcji cclm
SG11202012036QA (en) Intra prediction encoding/decoding method and device for chrominance components
MX363318B (es) Parametros de cuantificacion para codificacion de conversion de espacio de color.
EP3273694A4 (en) Image decoding method for performing intra prediction and device thereof, and image encoding method for performing intra prediction and device thereof
EP3269142A4 (en) Methods of constrained intra block copy for reducing worst case bandwidth in video coding
WO2015138979A3 (en) Dpb capacity limits
EP3273695A4 (en) Image decoding method for performing intra prediction and device thereof, and image encoding method for performing intra prediction and device thereof
SG11202101229VA (en) Video decoding method and apparatus, and video encoding method and apparatus
EP4060990A4 (en) VIDEO CODING METHOD, VIDEO DECODING METHOD AND CORRESPONDING APPARATUS
EP3905694A4 (en) PREDICTION IMAGE GENERATING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE ENCODING DEVICE AND PREDICTION IMAGE GENERATING METHOD
IL282895A (en) Quantization for encoding or decoding video based on the area of a block
SG11202106417YA (en) Prediction image generation apparatus, video decoding apparatus, video coding apparatus, and prediction image generation method
EP3780603A4 (en) INTRA-PREDICTION DEVICE, IMAGE CODING DEVICE, IMAGE DECODING DEVICE AND PROGRAM
HUE069194T2 (hu) Intrapredikciót alkalmazó képkódoló/-dekódoló eljárás és készülék
SG11202009345QA (en) Video encoding method and apparatus, and video decoding method and apparatus
HUE071496T2 (hu) Eljárás és berendezés videó dekódolására és eljárás és berendezés videó kódolására