KR20240087718A - 비디오 코딩을 위한 모션 벡터 차이 부호 예측 - Google Patents

비디오 코딩을 위한 모션 벡터 차이 부호 예측 Download PDF

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Publication number
KR20240087718A
KR20240087718A KR1020247009581A KR20247009581A KR20240087718A KR 20240087718 A KR20240087718 A KR 20240087718A KR 1020247009581 A KR1020247009581 A KR 1020247009581A KR 20247009581 A KR20247009581 A KR 20247009581A KR 20240087718 A KR20240087718 A KR 20240087718A
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KR
South Korea
Prior art keywords
motion vector
video data
vector difference
sign
block
Prior art date
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Pending
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KR1020247009581A
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English (en)
Korean (ko)
Inventor
얀 장
밥파디트야 레이
바딤 세레긴
마르타 카르체비츠
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퀄컴 인코포레이티드
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Priority claimed from US17/929,122 external-priority patent/US20230094825A1/en
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20240087718A publication Critical patent/KR20240087718A/ko
Pending legal-status Critical Current

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    • 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)
KR1020247009581A 2021-09-28 2022-09-02 비디오 코딩을 위한 모션 벡터 차이 부호 예측 Pending KR20240087718A (ko)

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
KR20240087718A true KR20240087718A (ko) 2024-06-19

Family

ID=83457148

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247009581A Pending KR20240087718A (ko) 2021-09-28 2022-09-02 비디오 코딩을 위한 모션 벡터 차이 부호 예측

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
TW202315410A (zh) 2023-04-01
CA3227220A1 (en) 2023-04-06
JP2024535273A (ja) 2024-09-30
CL2024000872A1 (es) 2024-07-19

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