BR112021024464A2 - Mesma numeração de contagem de ordem de imagem para suporte de escalabilidade - Google Patents

Mesma numeração de contagem de ordem de imagem para suporte de escalabilidade

Info

Publication number
BR112021024464A2
BR112021024464A2 BR112021024464A BR112021024464A BR112021024464A2 BR 112021024464 A2 BR112021024464 A2 BR 112021024464A2 BR 112021024464 A BR112021024464 A BR 112021024464A BR 112021024464 A BR112021024464 A BR 112021024464A BR 112021024464 A2 BR112021024464 A2 BR 112021024464A2
Authority
BR
Brazil
Prior art keywords
image
order count
weighted prediction
different
scalability
Prior art date
Application number
BR112021024464A
Other languages
English (en)
Portuguese (pt)
Inventor
Krishnan Ramasubramonian Adarsh
Marta Karczewicz
Zeyd Coban Muhammed
Vadim Seregin
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021024464A2 publication Critical patent/BR112021024464A2/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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • H04N19/17—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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)
BR112021024464A 2019-06-13 2020-06-02 Mesma numeração de contagem de ordem de imagem para suporte de escalabilidade BR112021024464A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962861281P 2019-06-13 2019-06-13
US201962863804P 2019-06-19 2019-06-19
US16/889,601 US11184607B2 (en) 2019-06-13 2020-06-01 Same picture order count (POC) numbering for scalability support
PCT/US2020/035700 WO2020251801A1 (en) 2019-06-13 2020-06-02 Same picture order count (poc) numbering for scalability support

Publications (1)

Publication Number Publication Date
BR112021024464A2 true BR112021024464A2 (pt) 2022-01-18

Family

ID=73745703

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021024464A BR112021024464A2 (pt) 2019-06-13 2020-06-02 Mesma numeração de contagem de ordem de imagem para suporte de escalabilidade

Country Status (8)

Country Link
US (1) US11184607B2 (https=)
EP (1) EP3984224A1 (https=)
JP (1) JP7558980B2 (https=)
KR (1) KR20220020809A (https=)
CN (2) CN113950835B (https=)
BR (1) BR112021024464A2 (https=)
SG (1) SG11202113047QA (https=)
WO (1) WO2020251801A1 (https=)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
CN103843341B (zh) * 2011-09-27 2017-06-13 瑞典爱立信有限公司 用于管理视频解码过程中的画面的解码器及其方法
AU2020250609B2 (en) 2019-04-01 2023-09-07 Beijing Bytedance Network Technology Co., Ltd. Using interpolation filters for history based motion vector prediction
US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling
US11589043B2 (en) * 2019-06-24 2023-02-21 Tencent America LLC Flexible slice, tile and brick partitioning
US11259016B2 (en) * 2019-06-30 2022-02-22 Tencent America LLC Method and apparatus for video coding
CN114270856B (zh) * 2019-08-20 2025-11-14 北京字节跳动网络技术有限公司 视频处理中的备选插值滤波器的选择性使用
CN118764645A (zh) * 2019-10-07 2024-10-11 华为技术有限公司 编码器、解码器及对应方法
WO2021145668A1 (ko) * 2020-01-13 2021-07-22 엘지전자 주식회사 예측 가중 테이블 기반 영상/비디오 코딩 방법 및 장치
US12273506B2 (en) * 2020-05-22 2025-04-08 Lg Electronics Inc. Multilayer-based image coding method in video or image coding system
CN116982316A (zh) * 2021-03-12 2023-10-31 Oppo广东移动通信有限公司 系数编解码方法、编解码设备及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007114612A1 (en) * 2006-03-30 2007-10-11 Lg Electronics Inc. A method and apparatus for decoding/encoding a video signal
PT2750387T (pt) * 2011-09-22 2019-09-17 Lg Electronics Inc Processo de decodificação de vídeo e aparelho de decodificação de vídeo
US9432665B2 (en) * 2011-12-02 2016-08-30 Qualcomm Incorporated Coding least significant bits of picture order count values identifying long-term reference pictures
EP2805500B1 (en) * 2012-01-17 2016-03-30 Telefonaktiebolaget LM Ericsson (publ) Reference picture list handling
US9319679B2 (en) * 2012-06-07 2016-04-19 Qualcomm Incorporated Signaling data for long term reference pictures for video coding
JP5872739B2 (ja) * 2012-06-29 2016-03-01 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 参照ピクチャセットを含む動画シーケンスの符号化及び復号
US9398284B2 (en) * 2012-08-16 2016-07-19 Qualcomm Incorporated Constructing reference picture lists for multi-view or 3DV video coding
US9693055B2 (en) * 2012-12-28 2017-06-27 Electronics And Telecommunications Research Institute Video encoding and decoding method and apparatus using the same
KR102270788B1 (ko) * 2013-01-10 2021-06-29 삼성전자주식회사 멀티 레이어 비디오 부호화 방법 및 장치, 멀티 레이어 비디오 복호화 방법 및 장치
CN104919803B (zh) * 2013-01-15 2017-09-12 华为技术有限公司 一种用于解码视频比特流的方法
MX352916B (es) * 2013-10-14 2017-12-14 Ericsson Telefon Ab L M Alineación de conteo de orden de imágenes en video escalable.
US20170244966A1 (en) * 2016-02-20 2017-08-24 Qualcomm Incorporated Weighted prediction for screen content coding and multi-layer coding
JP2018007279A (ja) * 2017-10-11 2018-01-11 株式会社東芝 復号方法及び復号装置

Also Published As

Publication number Publication date
KR20220020809A (ko) 2022-02-21
SG11202113047QA (en) 2021-12-30
CN113950835A (zh) 2022-01-18
JP7558980B2 (ja) 2024-10-01
JP2022537664A (ja) 2022-08-29
CN120281900A (zh) 2025-07-08
EP3984224A1 (en) 2022-04-20
US11184607B2 (en) 2021-11-23
CN113950835B (zh) 2025-05-09
US20200396445A1 (en) 2020-12-17
WO2020251801A1 (en) 2020-12-17

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