CN116998152A - 通过使用模板匹配对利用cu级权重的双向预测（bcw）的索引重排序 - Google Patents

通过使用模板匹配对利用cu级权重的双向预测（bcw）的索引重排序 Download PDF

Info

Publication number
CN116998152A
CN116998152A CN202280007995.7A CN202280007995A CN116998152A CN 116998152 A CN116998152 A CN 116998152A CN 202280007995 A CN202280007995 A CN 202280007995A CN 116998152 A CN116998152 A CN 116998152A
Authority
CN
China
Prior art keywords
template
bcw
current
sub
block
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
CN202280007995.7A
Other languages
English (en)
Chinese (zh)
Inventor
陈联霏
李翔
刘杉
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of CN116998152A publication Critical patent/CN116998152A/zh
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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/134—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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202280007995.7A 2021-11-01 2022-10-26 通过使用模板匹配对利用cu级权重的双向预测（bcw）的索引重排序 Pending CN116998152A (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163274286P 2021-11-01 2021-11-01
US63/274,286 2021-11-01
US202163289135P 2021-12-13 2021-12-13
US63/289,135 2021-12-13
US17/971,255 US12108076B2 (en) 2021-11-01 2022-10-21 Index reordering of bi-prediction with CU-level weight (BCW) by using template-matching
US17/971,255 2022-10-21
PCT/US2022/078714 WO2023076948A1 (en) 2021-11-01 2022-10-26 Index reordering of bi-prediction with cu-level weight (bcw) by using template-matching

Publications (1)

Publication Number Publication Date
CN116998152A true CN116998152A (zh) 2023-11-03

Family

ID=86146394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280007995.7A Pending CN116998152A (zh) 2021-11-01 2022-10-26 通过使用模板匹配对利用cu级权重的双向预测（bcw）的索引重排序

Country Status (6)

Country Link
US (2) US12108076B2 (https=)
EP (1) EP4427461A4 (https=)
JP (2) JP7648786B2 (https=)
KR (1) KR20230117615A (https=)
CN (1) CN116998152A (https=)
WO (1) WO2023076948A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025149008A1 (en) * 2024-01-09 2025-07-17 Alibaba (China) Co., Ltd. Improvements to template-matching-based subblock motion refinement for motion prediction
WO2025152710A1 (en) * 2024-01-17 2025-07-24 Mediatek Inc. Methods and apparatus of using template matching for mv refinement or candidate reordering for video coding

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250337880A1 (en) * 2022-04-12 2025-10-30 Dolby Laboratories Licensing Corporation Applications of template matching in video coding
WO2023236916A1 (en) * 2022-06-06 2023-12-14 Mediatek Inc. Updating motion attributes of merge candidates
US12506884B2 (en) * 2022-12-09 2025-12-23 Comcast Cable Communications, Llc Coding unit prediction using template matching costs
US20240364863A1 (en) * 2023-04-25 2024-10-31 Tencent America LLC Bi-predictive block vector with cu-level weight in ibc
KR20260022311A (ko) * 2023-06-13 2026-02-19 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 회귀-기반 아핀 양방향-예측 가중치들
WO2025061063A1 (en) * 2023-09-19 2025-03-27 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2025121832A1 (ko) * 2023-12-04 2025-06-12 주식회사 아틴스 템플릿 매칭 이용한 참조 블록 설정 방법, 이를 수행하기 위한 영상 부호화 및 복호화 장치
WO2025134860A1 (en) * 2023-12-21 2025-06-26 Sharp Kabushiki Kaisha Video decoding apparatus, video coding apparatus
KR20250148504A (ko) * 2024-04-05 2025-10-14 한국전자통신연구원 어파인 예측 모드를 포함하는 영상 부호화/복호화 방법, 장치 및 비트스트림 저장 매체

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11363253B2 (en) 2016-05-13 2022-06-14 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2018056763A1 (ko) 2016-09-23 2018-03-29 엘지전자(주) 템플릿 기반 가중치를 이용하여 예측을 수행하는 방법 및 장치
US10951912B2 (en) * 2016-10-05 2021-03-16 Qualcomm Incorporated Systems and methods for adaptive selection of weights for video coding
US11184636B2 (en) 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
CN110677669B (zh) * 2018-07-02 2021-12-07 北京字节跳动网络技术有限公司 具有lic的lut
CN118042115A (zh) 2018-12-07 2024-05-14 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和计算机可读取介质
CN113196773B (zh) * 2018-12-21 2024-03-08 北京字节跳动网络技术有限公司 具有运动矢量差的Merge模式中的运动矢量精度
US11190797B2 (en) 2019-03-01 2021-11-30 Qualcomm Incorporated Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
US11477437B2 (en) * 2021-01-28 2022-10-18 Lemon Inc. Coding of motion information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025149008A1 (en) * 2024-01-09 2025-07-17 Alibaba (China) Co., Ltd. Improvements to template-matching-based subblock motion refinement for motion prediction
WO2025152710A1 (en) * 2024-01-17 2025-07-24 Mediatek Inc. Methods and apparatus of using template matching for mv refinement or candidate reordering for video coding

Also Published As

Publication number Publication date
US20240422349A1 (en) 2024-12-19
US20230135378A1 (en) 2023-05-04
EP4427461A1 (en) 2024-09-11
KR20230117615A (ko) 2023-08-08
JP7648786B2 (ja) 2025-03-18
EP4427461A4 (en) 2025-02-26
JP2025090674A (ja) 2025-06-17
JP2024509154A (ja) 2024-02-29
WO2023076948A1 (en) 2023-05-04
US12108076B2 (en) 2024-10-01

Similar Documents

Publication Publication Date Title
US12375644B2 (en) Grouping based adaptive reordering of merge candidate
JP7648786B2 (ja) テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え
JP7597444B2 (ja) テンプレートマッチングベースの適応動きベクトル解像度（ａｍｖｒ）
US12323602B2 (en) Storage of intra mode information in geometric partition mode
US12192480B2 (en) Weight derivation of multiple reference line for intra prediction fusion
JP7632810B2 (ja) テンプレートマッチングを使用する動きベクトル差による代替マージモード
CN116762335B (zh) 用于视频解码的方法和相关装置
CN117178552A (zh) 边界外条件的基于子块的双向预测约束
US12615385B2 (en) Template-matching based adaptive motion vector resolution by using an adaptive order of motion vector resolutions
CN118202647A (zh) 合并模式下的帧间预测方向和bcw索引编码
CN116530081B (zh) 视频解码方法及视频解码装置
CN118901242A (zh) 对基于子块的运动矢量（mv）预测器的分割、模板匹配的mv推导和子块mv推导
HK40098271A (zh) 通过使用模板匹配对利用cu级权重的双向预测(bcw)的索引重排序

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40098271

Country of ref document: HK