CA3227220A1 - Motion vector difference sign prediction for video coding - Google Patents

Motion vector difference sign prediction for video coding Download PDF

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Publication number
CA3227220A1
CA3227220A1 CA3227220A CA3227220A CA3227220A1 CA 3227220 A1 CA3227220 A1 CA 3227220A1 CA 3227220 A CA3227220 A CA 3227220A CA 3227220 A CA3227220 A CA 3227220A CA 3227220 A1 CA3227220 A1 CA 3227220A1
Authority
CA
Canada
Prior art keywords
motion vector
vector difference
block
sign
video data
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.)
Pending
Application number
CA3227220A
Other languages
English (en)
French (fr)
Inventor
Yan Zhang
Bappaditya Ray
Vadim Seregin
Marta Karczewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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
Priority claimed from US17/929,122 external-priority patent/US20230094825A1/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3227220A1 publication Critical patent/CA3227220A1/en
Pending legal-status Critical Current

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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/134—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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/567—Motion estimation based on rate distortion criteria
    • 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)
CA3227220A 2021-09-28 2022-09-02 Motion vector difference sign prediction for video coding Pending CA3227220A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163249421P 2021-09-28 2021-09-28
US63/249,421 2021-09-28
US17/929,122 US20230094825A1 (en) 2021-09-28 2022-09-01 Motion vector difference sign prediction for video coding
US17/929,122 2022-09-01
PCT/US2022/075911 WO2023056158A1 (en) 2021-09-28 2022-09-02 Motion vector difference sign prediction for video coding

Publications (1)

Publication Number Publication Date
CA3227220A1 true CA3227220A1 (en) 2023-04-06

Family

ID=83457148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3227220A Pending CA3227220A1 (en) 2021-09-28 2022-09-02 Motion vector difference sign prediction for video coding

Country Status (7)

Country Link
EP (1) EP4409892A1 (https=)
JP (1) JP2024535273A (https=)
KR (1) KR20240087718A (https=)
CA (1) CA3227220A1 (https=)
CL (1) CL2024000872A1 (https=)
TW (1) TW202315410A (https=)
WO (1) WO2023056158A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024511725A (ja) * 2021-03-05 2024-03-15 ボドナー、ザカリー 眼位異常を測定および分類するためのシステムおよび方法
CN121079979A (zh) * 2023-04-13 2025-12-05 瑞典爱立信有限公司 增强型几何分区模式

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10701391B2 (en) * 2017-03-23 2020-06-30 Qualcomm Incorporated Motion vector difference (MVD) prediction
CN118233651A (zh) * 2018-06-07 2024-06-21 韦勒斯标准与技术协会公司 使用自适应运动矢量分辨率的视频信号处理方法及装置
WO2020025041A1 (en) * 2018-08-03 2020-02-06 Mediatek Inc. Method and apparatus of enhanced intra block copying mode for video coding
US11140406B2 (en) * 2019-02-20 2021-10-05 Qualcomm Incorporated Signalling for merge mode with motion vector differences in video coding

Also Published As

Publication number Publication date
EP4409892A1 (en) 2024-08-07
WO2023056158A1 (en) 2023-04-06
KR20240087718A (ko) 2024-06-19
TW202315410A (zh) 2023-04-01
JP2024535273A (ja) 2024-09-30
CL2024000872A1 (es) 2024-07-19

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