BR112017006461A2 - dispositivo de conversão de vídeo em código, dispositivo de decodificação de vídeo, método de conversão de vídeo em código, método e programa de decodificação de vídeo - Google Patents

dispositivo de conversão de vídeo em código, dispositivo de decodificação de vídeo, método de conversão de vídeo em código, método e programa de decodificação de vídeo

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Publication number
BR112017006461A2
BR112017006461A2 BR112017006461A BR112017006461A BR112017006461A2 BR 112017006461 A2 BR112017006461 A2 BR 112017006461A2 BR 112017006461 A BR112017006461 A BR 112017006461A BR 112017006461 A BR112017006461 A BR 112017006461A BR 112017006461 A2 BR112017006461 A2 BR 112017006461A2
Authority
BR
Brazil
Prior art keywords
video
quantization
video decoding
color space
program
Prior art date
Application number
BR112017006461A
Other languages
English (en)
Other versions
BR112017006461B1 (pt
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 BR112017006461A2 publication Critical patent/BR112017006461A2/pt
Publication of BR112017006461B1 publication Critical patent/BR112017006461B1/pt

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

um dispositivo de conversão de vídeo em código com capacidade para selecionar, dentre múltiplos espaços de cor, um espaço de cor de um sinal de erro de previsão em unidades de bloco codifica-das, e que inclui o seguinte: uma parte de derivação de deslocação de quantização de crominância adaptável para derivar uma deslocação de quantização para cada espaço de cor; e uma parte de quantização inversa que realiza quantização inversa em uma imagem de coeficiente de quantização com o uso da deslocação de quantização de crominância para cada espaço de cor.
BR112017006461-8A 2014-10-03 2015-08-12 Dispositivo e método de decodificação de vídeo BR112017006461B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-204392 2014-10-03
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 (2)

Publication Number Publication Date
BR112017006461A2 true BR112017006461A2 (pt) 2017-12-19
BR112017006461B1 BR112017006461B1 (pt) 2024-04-30

Family

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Family Applications (1)

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BR112017006461-8A BR112017006461B1 (pt) 2014-10-03 2015-08-12 Dispositivo e método de decodificação de vídeo

Country Status (19)

Country Link
US (2) US11039141B2 (pt)
EP (1) EP3203739A4 (pt)
JP (1) JP6540707B2 (pt)
KR (1) KR101989710B1 (pt)
CN (3) CN112261410A (pt)
AU (1) AU2015326293B2 (pt)
BR (1) BR112017006461B1 (pt)
CA (1) CA2963338A1 (pt)
CL (1) CL2017000781A1 (pt)
CO (1) CO2017003030A2 (pt)
MA (1) MA40120B1 (pt)
MX (1) MX2017004088A (pt)
PE (1) PE20171159A1 (pt)
PH (1) PH12017500600A1 (pt)
RU (1) RU2017110786A (pt)
SG (1) SG11201702743WA (pt)
TW (1) TW201631974A (pt)
WO (1) WO2016051643A1 (pt)
ZA (1) ZA201702044B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160033791A (ko) * 2012-01-20 2016-03-28 소니 주식회사 크로마 양자화 파라미터 확장
WO2016056977A1 (en) 2014-10-06 2016-04-14 Telefonaktiebolaget L M 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
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
CN114208169A (zh) * 2019-06-11 2022-03-18 Lg电子株式会社 用于色度分量的图像解码方法及其装置
KR102594690B1 (ko) * 2019-06-11 2023-10-26 엘지전자 주식회사 크로마 양자화 파라미터 데이터 기반 영상 디코딩 방법 및 그 장치
CN114175644A (zh) * 2019-06-28 2022-03-11 Lg 电子株式会社 使用色度量化参数表的图像解码方法及其设备
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
JP7434545B2 (ja) 2019-10-28 2024-02-20 エルジー エレクトロニクス インコーポレイティド 色空間変換を用いる画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
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
US11336913B2 (en) * 2019-11-22 2022-05-17 Apple Inc. Reference picture re-sampling
WO2021107641A1 (ko) * 2019-11-26 2021-06-03 주식회사 윌러스표준기술연구소 적응적 컬러 공간 변환을 이용하는 비디오 신호 처리 방법 및 장치
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
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
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
WO2007079781A1 (en) 2006-01-13 2007-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Picture coding using adaptive colour space transformation
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
CA2837827C (en) 2011-06-27 2019-01-15 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding-decoding apparatus
JP5936939B2 (ja) * 2011-07-14 2016-06-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 画像符号化方法および画像復号化方法
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
KR20160033791A (ko) 2012-01-20 2016-03-28 소니 주식회사 크로마 양자화 파라미터 확장
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
SG11201504504YA (en) * 2012-12-18 2015-07-30 Sony Corp Image processing device and image processing method
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
JP6368795B2 (ja) * 2014-03-14 2018-08-01 ヴィド スケール インコーポレイテッド Ｒｇｂビデオコーディングエンハンスメントのためのシステムおよび方法
CA2940015C (en) * 2014-03-27 2020-10-27 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
WO2016051643A1 (ja) 2016-04-07
MX2017004088A (es) 2017-07-07
MA40120B1 (fr) 2018-11-30
BR112017006461B1 (pt) 2024-04-30
AU2015326293A1 (en) 2017-04-06
JP6540707B2 (ja) 2019-07-10
KR101989710B1 (ko) 2019-06-14
CN112261411A (zh) 2021-01-22
TW201631974A (zh) 2016-09-01
SG11201702743WA (en) 2017-06-29
US20210266553A1 (en) 2021-08-26
RU2017110786A3 (pt) 2018-11-06
JPWO2016051643A1 (ja) 2017-07-20
ZA201702044B (en) 2018-08-29
CN112261410A (zh) 2021-01-22
MA40120A1 (fr) 2018-02-28
AU2015326293B2 (en) 2018-05-17
CO2017003030A2 (es) 2017-06-20
EP3203739A4 (en) 2018-04-25
PE20171159A1 (es) 2017-08-17
CL2017000781A1 (es) 2017-11-03
US11039141B2 (en) 2021-06-15
RU2017110786A (ru) 2018-11-06
US11575900B2 (en) 2023-02-07
CN107113431B (zh) 2020-12-01
US20170318293A1 (en) 2017-11-02
CN107113431A (zh) 2017-08-29
EP3203739A1 (en) 2017-08-09
CA2963338A1 (en) 2016-04-07
PH12017500600A1 (en) 2017-09-04
KR20170052624A (ko) 2017-05-12

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