CN117597922A - 用于利用运动矢量细化的几何分区模式的方法和设备 - Google Patents

用于利用运动矢量细化的几何分区模式的方法和设备 Download PDF

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Publication number
CN117597922A
CN117597922A CN202280046183.3A CN202280046183A CN117597922A CN 117597922 A CN117597922 A CN 117597922A CN 202280046183 A CN202280046183 A CN 202280046183A CN 117597922 A CN117597922 A CN 117597922A
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China
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gpm
mvr
candidate
unidirectional
merge
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CN202280046183.3A
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English (en)
Chinese (zh)
Inventor
修晓宇
陈伟
郭哲玮
朱弘正
闫宁
陈漪纹
王祥林
于冰
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Beijing Dajia Internet Information Technology Co Ltd
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Beijing Dajia Internet Information Technology Co Ltd
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Publication of CN117597922A publication Critical patent/CN117597922A/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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/105—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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)
CN202280046183.3A 2021-06-28 2022-06-28 用于利用运动矢量细化的几何分区模式的方法和设备 Pending CN117597922A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163215957P 2021-06-28 2021-06-28
US63/215,957 2021-06-28
PCT/US2022/035375 WO2023278489A1 (en) 2021-06-28 2022-06-28 Methods and devices for geometric partition mode with motion vector refinement

Publications (1)

Publication Number Publication Date
CN117597922A true CN117597922A (zh) 2024-02-23

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Country Link
US (1) US20240129509A1 (https=)
EP (1) EP4364409A4 (https=)
JP (1) JP2024524402A (https=)
KR (1) KR20240011199A (https=)
CN (1) CN117597922A (https=)
MX (1) MX2023015556A (https=)
WO (1) WO2023278489A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20260041661A (ko) * 2024-09-20 2026-03-27 주식회사 케이티 영상 부호화/복호화 방법 및 압축된 비디오 데이터를 전송하기 위한 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US11394992B2 (en) * 2018-03-14 2022-07-19 Hfi Innovation Inc. Methods and apparatuses of generating average candidates in video coding systems
KR102578820B1 (ko) * 2018-10-05 2023-09-15 엘지전자 주식회사 히스토리 기반 움직임 정보를 이용한 영상 코딩 방법 및 그 장치
KR102711166B1 (ko) * 2018-11-06 2024-09-30 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 모션 정보의 위치 의존적 저장
CN112997495B (zh) * 2018-11-10 2024-02-20 北京字节跳动网络技术有限公司 当前图片参考中的取整
SG11202105354YA (en) * 2018-11-22 2021-06-29 Huawei Tech Co Ltd An encoder, a decoder and corresponding methods for inter prediction
KR102635518B1 (ko) * 2019-03-06 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 변환된 단예측 후보의 사용
US20240205414A1 (en) * 2021-04-09 2024-06-20 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing

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JP2024524402A (ja) 2024-07-05
EP4364409A1 (en) 2024-05-08
MX2023015556A (es) 2024-01-24
WO2023278489A1 (en) 2023-01-05
EP4364409A4 (en) 2025-05-21
KR20240011199A (ko) 2024-01-25
US20240129509A1 (en) 2024-04-18

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