BR112021025461A2 - Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo - Google Patents

Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo

Info

Publication number
BR112021025461A2
BR112021025461A2 BR112021025461A BR112021025461A BR112021025461A2 BR 112021025461 A2 BR112021025461 A2 BR 112021025461A2 BR 112021025461 A BR112021025461 A BR 112021025461A BR 112021025461 A BR112021025461 A BR 112021025461A BR 112021025461 A2 BR112021025461 A2 BR 112021025461A2
Authority
BR
Brazil
Prior art keywords
motion vector
derivation
vector prediction
temporal motion
video bitstream
Prior art date
Application number
BR112021025461A
Other languages
English (en)
Portuguese (pt)
Inventor
Dmytro Rusanovskyy
Marta Karczewicz
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 BR112021025461A2 publication Critical patent/BR112021025461A2/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/169—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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)
BR112021025461A 2019-06-25 2020-06-24 Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo BR112021025461A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962866536P 2019-06-25 2019-06-25
US201962867021P 2019-06-26 2019-06-26
US201962868462P 2019-06-28 2019-06-28
US16/909,856 US11601666B2 (en) 2019-06-25 2020-06-23 Derivation of temporal motion vector prediction candidates in video coding
PCT/US2020/039311 WO2020263940A1 (en) 2019-06-25 2020-06-24 Derivation of temporal motion vector prediction candidates in video coding

Publications (1)

Publication Number Publication Date
BR112021025461A2 true BR112021025461A2 (pt) 2022-02-01

Family

ID=74044828

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025461A BR112021025461A2 (pt) 2019-06-25 2020-06-24 Derivação de candidatos de predição de vetor de movimento temporal em código de vídeo

Country Status (7)

Country Link
US (1) US11601666B2 (https=)
EP (1) EP3991404A1 (https=)
JP (1) JP2022539005A (https=)
KR (1) KR20220024128A (https=)
CN (1) CN114009039B (https=)
BR (1) BR112021025461A2 (https=)
WO (1) WO2020263940A1 (https=)

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WO2021079948A1 (en) * 2019-10-25 2021-04-29 Sharp Kabushiki Kaisha Systems and methods for signaling picture information in video coding
CN113159921B (zh) * 2021-04-23 2024-10-25 上海晓途网络科技有限公司 一种逾期预测方法、装置、电子设备及存储介质
US12143592B2 (en) * 2022-09-02 2024-11-12 Tencent America LLC Systems and methods for temporal motion vector prediction candidate derivation
WO2025021011A1 (en) * 2023-07-21 2025-01-30 Mediatek Inc. Combined prediction mode

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US9288500B2 (en) * 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
BR112014012187A2 (pt) * 2011-11-21 2017-05-30 Motorola Mobility Llc determinação implícita e determinação implícita e explícita combinadas de imagem colocalizada para predição temporal
EP2805511B1 (en) * 2012-01-20 2019-03-06 Sun Patent Trust Methods and apparatus for encoding and decoding video using temporal motion vector prediction
RU2616555C2 (ru) * 2012-02-03 2017-04-17 Сан Пэтент Траст Способ кодирования изображений, способ декодирования изображений, устройство кодирования изображений, устройство декодирования изображений и устройство кодирования и декодирования изображений
EP4468696A3 (en) * 2012-03-06 2025-02-19 Sun Patent Trust Method for coding video, method for decoding video, device for coding video, device for decoding video, and device for coding/decoding video
WO2013154673A1 (en) * 2012-04-11 2013-10-17 Motorola Mobility Llc Signaling of temporal motion vector predictor (mvp) flag for temporal prediction
US20150085932A1 (en) 2012-04-24 2015-03-26 Mediatek Inc. Method and apparatus of motion vector derivation for 3d video coding
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US9325990B2 (en) * 2012-07-09 2016-04-26 Qualcomm Incorporated Temporal motion vector prediction in video coding extensions
US9319681B2 (en) * 2012-07-18 2016-04-19 Google Technology Holdings LLC Signaling of temporal motion vector predictor (MVP) enable flag
US9491461B2 (en) * 2012-09-27 2016-11-08 Qualcomm Incorporated Scalable extensions to HEVC and temporal motion vector prediction
US20140092971A1 (en) * 2012-09-28 2014-04-03 Kiran Mukesh Misra Picture processing in scalable video systems
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Also Published As

Publication number Publication date
JP2022539005A (ja) 2022-09-07
US20200413081A1 (en) 2020-12-31
CN114009039B (zh) 2025-02-18
CN114009039A (zh) 2022-02-01
WO2020263940A1 (en) 2020-12-30
KR20220024128A (ko) 2022-03-03
EP3991404A1 (en) 2022-05-04
US11601666B2 (en) 2023-03-07

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