SG11202013091SA - Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding - Google Patents

Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding

Info

Publication number
SG11202013091SA
SG11202013091SA SG11202013091SA SG11202013091SA SG11202013091SA SG 11202013091S A SG11202013091S A SG 11202013091SA SG 11202013091S A SG11202013091S A SG 11202013091SA SG 11202013091S A SG11202013091S A SG 11202013091SA SG 11202013091S A SG11202013091S A SG 11202013091SA
Authority
SG
Singapore
Prior art keywords
motion vector
rounding
video coding
increased
adaptive
Prior art date
Application number
SG11202013091SA
Other languages
English (en)
Inventor
Han Huang
Wei-Jung Chien
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 SG11202013091SA publication Critical patent/SG11202013091SA/en

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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/42—Methods 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
    • H04N19/423—Methods 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 characterised by memory arrangements
    • 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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202013091SA 2018-07-24 2019-07-18 Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding SG11202013091SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862702737P 2018-07-24 2018-07-24
US16/514,326 US10897617B2 (en) 2018-07-24 2019-07-17 Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding
PCT/US2019/042401 WO2020023280A1 (en) 2018-07-24 2019-07-18 Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding

Publications (1)

Publication Number Publication Date
SG11202013091SA true SG11202013091SA (en) 2021-02-25

Family

ID=69178863

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202013091SA SG11202013091SA (en) 2018-07-24 2019-07-18 Rounding of motion vectors for adaptive motion vector difference resolution and increased motion vector storage precision in video coding

Country Status (7)

Country Link
US (1) US10897617B2 (zh)
EP (1) EP3827590A1 (zh)
CN (1) CN112673636B (zh)
BR (1) BR112021000640A2 (zh)
SG (1) SG11202013091SA (zh)
TW (1) TWI826487B (zh)
WO (1) WO2020023280A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4325849A3 (en) 2018-11-22 2024-04-17 Beijing Bytedance Network Technology Co., Ltd. Coordination method for sub-block based inter prediction
CN116866574A (zh) * 2019-06-25 2023-10-10 日本放送协会 帧内预测装置、图像解码装置及程序
KR20220043109A (ko) * 2019-08-13 2022-04-05 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 서브 블록 기반 인터 예측의 모션 정밀도
WO2021052505A1 (en) 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Reference picture resampling in video processing
WO2023207649A1 (en) * 2022-04-29 2023-11-02 Mediatek Inc. Method and apparatus for decoder-side motion derivation in video coding system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103907346B (zh) * 2011-10-11 2017-05-24 联发科技股份有限公司 运动矢量预测子及视差矢量导出方法及其装置
US9325991B2 (en) * 2012-04-11 2016-04-26 Qualcomm Incorporated Motion vector rounding
US20150016533A1 (en) * 2013-07-12 2015-01-15 Qualcomm Incorporated Intra motion compensation extensions
US10531116B2 (en) * 2014-01-09 2020-01-07 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
KR102362242B1 (ko) * 2014-10-31 2022-02-11 삼성전자주식회사 움직임 벡터 부복호화 방법 및 장치
US20160337662A1 (en) * 2015-05-11 2016-11-17 Qualcomm Incorporated Storage and signaling resolutions of motion vectors

Also Published As

Publication number Publication date
CN112673636B (zh) 2023-12-26
TWI826487B (zh) 2023-12-21
TW202019173A (zh) 2020-05-16
WO2020023280A1 (en) 2020-01-30
US20200036980A1 (en) 2020-01-30
BR112021000640A2 (pt) 2021-04-06
US10897617B2 (en) 2021-01-19
CN112673636A (zh) 2021-04-16
EP3827590A1 (en) 2021-06-02

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