BR112021023545A2 - Controle liga/desliga de ferramenta de refinamento de vetor de movimento do lado do decodificador - Google Patents

Controle liga/desliga de ferramenta de refinamento de vetor de movimento do lado do decodificador

Info

Publication number
BR112021023545A2
BR112021023545A2 BR112021023545A BR112021023545A BR112021023545A2 BR 112021023545 A2 BR112021023545 A2 BR 112021023545A2 BR 112021023545 A BR112021023545 A BR 112021023545A BR 112021023545 A BR112021023545 A BR 112021023545A BR 112021023545 A2 BR112021023545 A2 BR 112021023545A2
Authority
BR
Brazil
Prior art keywords
control
motion vector
enabling
side motion
vector refinement
Prior art date
Application number
BR112021023545A
Other languages
English (en)
Portuguese (pt)
Inventor
Han Huang
Marta Karczewicz
Vadim Seregin
Wei-Jung Chien
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 BR112021023545A2 publication Critical patent/BR112021023545A2/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/53Multi-resolution motion estimation; Hierarchical motion estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/56Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
BR112021023545A 2019-06-06 2020-06-05 Controle liga/desliga de ferramenta de refinamento de vetor de movimento do lado do decodificador BR112021023545A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962858094P 2019-06-06 2019-06-06
US201962863080P 2019-06-18 2019-06-18
US16/892,714 US11172212B2 (en) 2019-06-06 2020-06-04 Decoder-side refinement tool on/off control
PCT/US2020/036338 WO2020247760A1 (en) 2019-06-06 2020-06-05 Decoder-side motion vector refinement tool on/off control

Publications (1)

Publication Number Publication Date
BR112021023545A2 true BR112021023545A2 (pt) 2022-01-04

Family

ID=73650874

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021023545A BR112021023545A2 (pt) 2019-06-06 2020-06-05 Controle liga/desliga de ferramenta de refinamento de vetor de movimento do lado do decodificador

Country Status (9)

Country Link
US (1) US11172212B2 (https=)
EP (1) EP3981159A1 (https=)
JP (2) JP7612612B2 (https=)
KR (1) KR20220017906A (https=)
CN (2) CN119697375A (https=)
BR (1) BR112021023545A2 (https=)
SG (1) SG11202112038XA (https=)
TW (1) TWI902695B (https=)
WO (1) WO2020247760A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3941061A4 (en) * 2019-03-15 2022-05-04 Lg Electronics Inc. Bdof-based inter prediction method and device
US11223840B2 (en) * 2019-08-19 2022-01-11 Tencent America LLC Method and apparatus for video coding
US12388993B2 (en) * 2021-03-29 2025-08-12 Ofinno, Llc Geometric partitioning refinement
US20240187633A1 (en) * 2021-04-21 2024-06-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
EP4367883A4 (en) * 2021-07-09 2025-05-28 OP Solutions, LLC Systems and methods for decoder-side synthesis of video sequences
WO2023219793A1 (en) * 2022-05-13 2023-11-16 Qualcomm Incorporated Mmvd merge mode with asymmetric motion vector difference
US12363306B2 (en) 2022-05-13 2025-07-15 Qualcomm Incorporated MMVD merge mode with asymmetric motion vector difference
US12413756B2 (en) * 2022-10-05 2025-09-09 Tencent America LLC Merge with motion vector difference
EP4436184A1 (en) * 2023-03-20 2024-09-25 Beijing Xiaomi Mobile Software Co., Ltd. Decoding video picture data using affine motion fields defined by control point motion vectors
CN120958812A (zh) * 2023-04-11 2025-11-14 字节跳动有限公司 用于视频处理的方法、装置和介质
WO2025149344A1 (en) * 2024-01-09 2025-07-17 Interdigital Ce Patent Holdings, Sas Mmvd candidates list for dmvr candidates
US20260046406A1 (en) * 2024-08-07 2026-02-12 Realtek Semiconductor Corp Encoder and associated signal processing method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140098851A1 (en) * 2012-10-04 2014-04-10 Qualcomm Incorporated Indication of video properties
US20150262404A1 (en) * 2014-03-13 2015-09-17 Huawei Technologies Co., Ltd. Screen Content And Mixed Content Coding
EP3342167B1 (en) 2015-09-02 2020-12-30 MediaTek, Inc Method and apparatus of decoder side motion derivation for video coding
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
US10491917B2 (en) 2017-03-22 2019-11-26 Qualcomm Incorporated Decoder-side motion vector derivation
US10595035B2 (en) 2017-03-22 2020-03-17 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
CN112913241B (zh) * 2018-10-22 2024-03-26 北京字节跳动网络技术有限公司 解码器侧运动矢量推导的限制
CN112997489B (zh) * 2018-11-06 2024-02-06 北京字节跳动网络技术有限公司 具有几何分割的帧间预测的边信息信令
US11178414B2 (en) * 2019-02-27 2021-11-16 Mediatek Inc. Classification for multiple merge tools
CN111989925B (zh) * 2019-03-22 2024-04-26 罗斯德尔动力有限责任公司 基于dmvr和bdof的帧间预测方法及其设备

Also Published As

Publication number Publication date
CN114097234A (zh) 2022-02-25
JP7612612B2 (ja) 2025-01-14
CN119697375A (zh) 2025-03-25
TW202123711A (zh) 2021-06-16
JP7746520B2 (ja) 2025-09-30
TWI902695B (zh) 2025-11-01
CN114097234B (zh) 2024-12-06
EP3981159A1 (en) 2022-04-13
US11172212B2 (en) 2021-11-09
SG11202112038XA (en) 2021-12-30
JP2022535528A (ja) 2022-08-09
US20200389656A1 (en) 2020-12-10
JP2025060807A (ja) 2025-04-10
KR20220017906A (ko) 2022-02-14
WO2020247760A1 (en) 2020-12-10

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