JP2021520698A - ビデオのコード化および復号。 - Google Patents

ビデオのコード化および復号。 Download PDF

Info

Publication number
JP2021520698A
JP2021520698A JP2020550645A JP2020550645A JP2021520698A JP 2021520698 A JP2021520698 A JP 2021520698A JP 2020550645 A JP2020550645 A JP 2020550645A JP 2020550645 A JP2020550645 A JP 2020550645A JP 2021520698 A JP2021520698 A JP 2021520698A
Authority
JP
Japan
Prior art keywords
block
subblock
determining
conversion
transform
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP2020550645A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2019212816A5 (https=
JP2021520698A5 (https=
Inventor
ポワリエ，タンギ
ルリアネック，ファブリス
チェン，ヤ
Original Assignee
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
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
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
Priority claimed from EP18305673.8A external-priority patent/EP3576408A1/en
Application filed by 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, 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 filed Critical 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
Publication of JP2021520698A publication Critical patent/JP2021520698A/ja
Publication of JPWO2019212816A5 publication Critical patent/JPWO2019212816A5/ja
Publication of JP2021520698A5 publication Critical patent/JP2021520698A5/ja
Withdrawn legal-status Critical Current

Links

Images

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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020550645A 2018-05-02 2019-04-24 ビデオのコード化および復号。 Withdrawn JP2021520698A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305542.5 2018-05-02
EP18305542 2018-05-02
EP18305673.8A EP3576408A1 (en) 2018-05-31 2018-05-31 Adaptive transformation and coefficient scan order for video coding
EP18305673.8 2018-05-31
PCT/US2019/028864 WO2019212816A1 (en) 2018-05-02 2019-04-24 Encoding and decoding a video

Publications (3)

Publication Number Publication Date
JP2021520698A true JP2021520698A (ja) 2021-08-19
JPWO2019212816A5 JPWO2019212816A5 (https=) 2022-05-02
JP2021520698A5 JP2021520698A5 (https=) 2022-05-02

Family

ID=66669043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020550645A Withdrawn JP2021520698A (ja) 2018-05-02 2019-04-24 ビデオのコード化および復号。

Country Status (7)

Country Link
US (1) US20210243445A1 (https=)
EP (1) EP3788784A1 (https=)
JP (1) JP2021520698A (https=)
KR (1) KR20210002506A (https=)
CN (1) CN112042193A (https=)
BR (1) BR112020020046A2 (https=)
WO (1) WO2019212816A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240090220A (ko) * 2021-10-22 2024-06-21 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100095992A (ko) * 2009-02-23 2010-09-01 한국과학기술원 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
US9247254B2 (en) * 2011-10-27 2016-01-26 Qualcomm Incorporated Non-square transforms in intra-prediction video coding
CN107105248B (zh) * 2012-04-13 2021-05-07 佳能株式会社 视频数据的变换单位的子集的编解码的方法、设备和系统
US9544597B1 (en) * 2013-02-11 2017-01-10 Google Inc. Hybrid transform in video encoding and decoding
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual

Also Published As

Publication number Publication date
BR112020020046A2 (pt) 2021-01-05
EP3788784A1 (en) 2021-03-10
KR20210002506A (ko) 2021-01-08
US20210243445A1 (en) 2021-08-05
CN112042193A (zh) 2020-12-04
WO2019212816A1 (en) 2019-11-07

Similar Documents

Publication Publication Date Title
US20230016033A1 (en) Video intra prediction using hybrid recursive filters
EP2854398B1 (en) Method for encoding videos sharing sao parameter according to color component
US11463712B2 (en) Residual coding with reduced usage of local neighborhood
KR20150090172A (ko) 비디오 코딩에 있어서 제약된 인트라 블록 경계들에 걸친 루프 필터링
WO2013059461A1 (en) Adaptive loop filtering for chroma components
JP2021525468A (ja) 部分的に共有されている輝度および彩度のコード化木を用いたビデオ符号化および復号化の方法および装置
JP7679532B2 (ja) ビデオコード化のための残差コード化における通常のビンの柔軟な割り当て
US11039166B2 (en) Devices and methods for using base layer intra prediction mode for enhancement layer intra mode prediction
TW201313031A (zh) 用於大色度區塊的可變長度寫碼係數寫碼
KR20140016983A (ko) 비디오 코딩을 위한 런-모드 기반 계수 코딩
CN113647112A (zh) 用于视频编码和解码的熵编解码
CN114208204A (zh) 上下文编解码二进制位（ccb）计数方法的统一
US20190320172A1 (en) Hardware-friendly sample adaptive offset (sao) and adaptive loop filter (alf) for video coding
EP3883244A1 (en) Inter-frame prediction method and related device
JP2021520698A (ja) ビデオのコード化および復号。
EP3576408A1 (en) Adaptive transformation and coefficient scan order for video coding
RU2816154C2 (ru) Режим сжатия без потерь для универсального кодирования видео
RU2772813C1 (ru) Видеокодер, видеодекодер и соответствующие способы кодирования и декодирования
CN116260980A (zh) 用于图像编解码方法的编解码设备和发送图像数据的设备
HK40015204A (en) Intra filtering applied together with transform processing in video coding
HK40015204B (en) Intra filtering applied together with transform processing in video coding
HK1245544A1 (zh) 用於译码视频数据的方法和装置及计算机可读存储介质

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220421

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220421

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20220615