CN114846796B - 用于视频译码中的参考图片重采样的环绕偏移 - Google Patents

用于视频译码中的参考图片重采样的环绕偏移

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Publication number
CN114846796B
CN114846796B CN202080088830.8A CN202080088830A CN114846796B CN 114846796 B CN114846796 B CN 114846796B CN 202080088830 A CN202080088830 A CN 202080088830A CN 114846796 B CN114846796 B CN 114846796B
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image
block
sub
value
pps
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CN114846796A (zh
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Y-J·张
V·谢廖金
M·Z·科班
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • 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
    • H04N19/103—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence 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
    • H04N19/70—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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
CN202080088830.8A 2019-12-27 2020-12-23 用于视频译码中的参考图片重采样的环绕偏移 Active CN114846796B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962954341P 2019-12-27 2019-12-27
US62/954,341 2019-12-27
US17/131,192 US11425420B2 (en) 2019-12-27 2020-12-22 Wraparound offsets for reference picture resampling in video coding
US17/131,192 2020-12-22
PCT/US2020/066952 WO2021133979A1 (en) 2019-12-27 2020-12-23 Wraparound offsets for reference picture resampling in video coding

Publications (2)

Publication Number Publication Date
CN114846796A CN114846796A (zh) 2022-08-02
CN114846796B true CN114846796B (zh) 2026-04-24

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Country Link
US (1) US11425420B2 (https=)
EP (1) EP4082203A1 (https=)
JP (1) JP2023508368A (https=)
KR (1) KR20220115962A (https=)
CN (1) CN114846796B (https=)
IL (1) IL293447A (https=)
SA (1) SA522433105B1 (https=)
TW (1) TWI893042B (https=)
WO (1) WO2021133979A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120264012B (zh) 2019-12-17 2026-03-31 阿里巴巴（中国）有限公司 执行环绕运动补偿的方法
US11418804B2 (en) * 2019-12-31 2022-08-16 Tencent America LLC Method for wrap around motion compensation with reference picture resampling
US11368708B2 (en) * 2020-01-08 2022-06-21 Tencent America LLC Method for combination of wrap-around offset and reference picture resampling
US11412253B2 (en) * 2020-02-24 2022-08-09 Alibaba Group Holding Limited Methods for combining decoder side motion vector refinement with wrap-around motion compensation
KR20260041166A (ko) * 2020-03-26 2026-03-26 엘지전자 주식회사 랩-어라운드 움직임 보상에 기반하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN120075459B (zh) * 2020-03-26 2026-01-09 阿里巴巴（中国）有限公司 用信号通知视频编码数据的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11308610A (ja) * 1998-04-02 1999-11-05 Daewoo Electronics Co Ltd 映像信号適応的符号化装置
US10382781B2 (en) * 2016-09-28 2019-08-13 Qualcomm Incorporated Interpolation filters for intra prediction in video coding
US10643301B2 (en) * 2017-03-20 2020-05-05 Qualcomm Incorporated Adaptive perturbed cube map projection
US11212438B2 (en) * 2018-02-14 2021-12-28 Qualcomm Incorporated Loop filter padding for 360-degree video coding
US11252434B2 (en) * 2018-12-31 2022-02-15 Tencent America LLC Method for wrap-around padding for omnidirectional media coding
US11539939B2 (en) * 2019-11-27 2022-12-27 Hfi Innovation Inc. Video processing methods and apparatuses for horizontal wraparound motion compensation in video coding systems
CN120264012B (zh) * 2019-12-17 2026-03-31 阿里巴巴（中国）有限公司 执行环绕运动补偿的方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AHG12: On padding processing with subpictures;Byeongdoo Choi et.al;JVET-P0220-v1;20190927;1-3 *
CE13: PERP with horizontal geometry padding of reference pictures (Test 3.3);Philippe Hanhart et.al;JVET-L0231-r2;20181012;1-8 *

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Publication number Publication date
SA522433105B1 (ar) 2024-02-22
CN114846796A (zh) 2022-08-02
US11425420B2 (en) 2022-08-23
KR20220115962A (ko) 2022-08-19
IL293447A (en) 2022-07-01
US20210203988A1 (en) 2021-07-01
TWI893042B (zh) 2025-08-11
JP2023508368A (ja) 2023-03-02
WO2021133979A1 (en) 2021-07-01
EP4082203A1 (en) 2022-11-02
TW202131676A (zh) 2021-08-16

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