CN117413513A - 用于联合mvd编码的灵活缩放因子 - Google Patents

用于联合mvd编码的灵活缩放因子 Download PDF

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Publication number
CN117413513A
CN117413513A CN202280020308.5A CN202280020308A CN117413513A CN 117413513 A CN117413513 A CN 117413513A CN 202280020308 A CN202280020308 A CN 202280020308A CN 117413513 A CN117413513 A CN 117413513A
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CN
China
Prior art keywords
mvd
scaling factor
block
jmvd
video
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Pending
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CN202280020308.5A
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English (en)
Chinese (zh)
Inventor
赵亮
高晗
赵欣
刘杉
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Tencent America LLC
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Tencent America LLC
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Publication of CN117413513A publication Critical patent/CN117413513A/zh
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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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • 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
    • H04N19/46—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
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280020308.5A 2022-05-16 2022-11-08 用于联合mvd编码的灵活缩放因子 Pending CN117413513A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263342441P 2022-05-16 2022-05-16
US63/342,441 2022-05-16
US17/982,139 US12219146B2 (en) 2022-05-16 2022-11-07 Flexible scaling factors for joint MVD coding
US17/982,139 2022-11-07
PCT/US2022/049243 WO2023224655A1 (en) 2022-05-16 2022-11-08 Flexible scaling factors for joint mvd coding

Publications (1)

Publication Number Publication Date
CN117413513A true CN117413513A (zh) 2024-01-16

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US (2) US12219146B2 (https=)
EP (1) EP4527068A4 (https=)
JP (1) JP2025517262A (https=)
KR (1) KR20240134942A (https=)
CN (1) CN117413513A (https=)
WO (1) WO2023224655A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12155839B2 (en) * 2021-10-21 2024-11-26 Tencent America LLC Adaptive resolution for single-reference motion vector difference
US20230328227A1 (en) * 2022-04-07 2023-10-12 Tencent America LLC Systems and methods for joint coding of motion vector difference using template matching based scaling factor derivation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190320180A1 (en) * 2018-04-15 2019-10-17 Arris Enterprises Llc Reducing Overhead for Multiple-Hypothesis Temporal Prediction
US20210385485A1 (en) * 2020-06-06 2021-12-09 Alibaba Group Holding Limited Angular weighted prediction for inter prediction
CN114009033A (zh) * 2019-05-30 2022-02-01 北京达佳互联信息技术有限公司 用于用信号通知对称运动矢量差模式的方法和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10200711B2 (en) 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US11363253B2 (en) 2016-05-13 2022-06-14 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
MX2021007225A (es) * 2018-12-17 2021-09-21 Interdigital Vc Holdings Inc Combinacion de herramientas de codificacion de diferencia de vector de movimiento con otros modos de movimiento.
KR102793883B1 (ko) * 2019-06-24 2025-04-11 엘지전자 주식회사 움직임 벡터를 이용한 영상 코딩 방법 및 장치
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
WO2021202104A1 (en) * 2020-03-29 2021-10-07 Alibaba Group Holding Limited Enhanced decoder side motion vector refinement
US11516476B2 (en) 2020-07-10 2022-11-29 Sharp Kabushiki Kaisha Systems and methods for deriving a motion vector difference in video coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190320180A1 (en) * 2018-04-15 2019-10-17 Arris Enterprises Llc Reducing Overhead for Multiple-Hypothesis Temporal Prediction
CN114009033A (zh) * 2019-05-30 2022-02-01 北京达佳互联信息技术有限公司 用于用信号通知对称运动矢量差模式的方法和装置
US20210385485A1 (en) * 2020-06-06 2021-12-09 Alibaba Group Holding Limited Angular weighted prediction for inter prediction

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Publication number Publication date
US20250193410A1 (en) 2025-06-12
WO2023224655A1 (en) 2023-11-23
JP2025517262A (ja) 2025-06-05
US20230370604A1 (en) 2023-11-16
US12219146B2 (en) 2025-02-04
EP4527068A4 (en) 2026-04-01
KR20240134942A (ko) 2024-09-10
EP4527068A1 (en) 2025-03-26

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