ZA202101747B - Image encoding/decoding method and device - Google Patents

Image encoding/decoding method and device

Info

Publication number
ZA202101747B
ZA202101747B ZA2021/01747A ZA202101747A ZA202101747B ZA 202101747 B ZA202101747 B ZA 202101747B ZA 2021/01747 A ZA2021/01747 A ZA 2021/01747A ZA 202101747 A ZA202101747 A ZA 202101747A ZA 202101747 B ZA202101747 B ZA 202101747B
Authority
ZA
South Africa
Prior art keywords
decoding method
image encoding
encoding
decoding
image
Prior art date
Application number
ZA2021/01747A
Other languages
English (en)
Inventor
Ki Baek Kim
Original Assignee
B1 Institute Image Technology Inc
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 B1 Institute Image Technology Inc filed Critical B1 Institute Image Technology Inc
Publication of ZA202101747B publication Critical patent/ZA202101747B/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/004Predictors, e.g. intraframe, interframe coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/507Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction using conditional replenishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2021/01747A 2018-09-24 2021-03-16 Image encoding/decoding method and device ZA202101747B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20180114539 2018-09-24
KR20180114536 2018-09-24
KR20180114540 2018-09-24
PCT/KR2019/012404 WO2020067700A1 (ko) 2018-09-24 2019-09-24 영상 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
ZA202101747B true ZA202101747B (en) 2022-07-27

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ZA2021/01747A ZA202101747B (en) 2018-09-24 2021-03-16 Image encoding/decoding method and device

Country Status (11)

Country Link
US (9) US20220078436A1 (https=)
EP (2) EP4708870A2 (https=)
JP (4) JP7447097B2 (https=)
KR (1) KR20210052568A (https=)
CN (10) CN118488215A (https=)
AU (4) AU2019350336B2 (https=)
CA (3) CA3296569A1 (https=)
PH (1) PH12021550491A1 (https=)
SG (1) SG11202102219YA (https=)
WO (1) WO2020067700A1 (https=)
ZA (1) ZA202101747B (https=)

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KR102424189B1 (ko) * 2018-02-14 2022-07-21 후아웨이 테크놀러지 컴퍼니 리미티드 적응형 보간 필터
KR102824491B1 (ko) * 2019-08-31 2025-06-25 엘지전자 주식회사 비디오 또는 영상 코딩 방법 및 그 장치
GB201913403D0 (en) * 2019-09-17 2019-10-30 Canon Kk Method and apparatus for encoding and decoding a video stream with subpictures
CN113727119B (zh) * 2020-05-20 2023-03-17 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器以及计算机存储介质
WO2022117369A1 (en) * 2020-12-01 2022-06-09 Nokia Technologies Oy Content adaptive collocated reference picture selection
US12294693B2 (en) 2021-09-01 2025-05-06 Tencent America LLC Template matching on IBC merge candidates
US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression
US12518428B2 (en) * 2021-10-04 2026-01-06 Qualcomm Incorporated Inter prediction coding with radius interpolation for predictive geometry-based point cloud compression
WO2023131045A1 (zh) * 2022-01-05 2023-07-13 维沃移动通信有限公司 帧间预测方法、设备及可读存储介质
US12597172B2 (en) * 2022-10-19 2026-04-07 Qualcomm Incorporated Decoding attribute values in geometry-based point cloud compression

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JP4145275B2 (ja) 2004-07-27 2008-09-03 富士通株式会社 動きベクトル検出・補償装置
CN107105282B (zh) * 2010-12-14 2019-11-12 M&K控股株式会社 用于解码运动画面的设备
US20130114717A1 (en) * 2011-11-07 2013-05-09 Qualcomm Incorporated Generating additional merge candidates
JP2013223049A (ja) * 2012-04-13 2013-10-28 Sharp Corp 画像復号装置、および画像符号化装置
CN109155847A (zh) * 2016-03-24 2019-01-04 英迪股份有限公司 用于编码/解码视频信号的方法和装置
US10812791B2 (en) * 2016-09-16 2020-10-20 Qualcomm Incorporated Offset vector identification of temporal motion vector predictor
EP3504876A1 (en) * 2016-10-05 2019-07-03 ARRIS Enterprises LLC Offset temporal motion vector predictor (tmvp)
US10701366B2 (en) * 2017-02-21 2020-06-30 Qualcomm Incorporated Deriving motion vector information at a video decoder
WO2019009504A1 (ko) * 2017-07-07 2019-01-10 삼성전자 주식회사 적응적 움직임 벡터 해상도로 결정된 움직임 벡터의 부호화 장치 및 부호화 방법, 및 움직임 벡터의 복호화 장치 및 복호화 방법

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Publication number Publication date
CN118488211A (zh) 2024-08-13
CN118250473A (zh) 2024-06-25
KR20210052568A (ko) 2021-05-10
CN118488215A (zh) 2024-08-13
CN112806014A (zh) 2021-05-14
CA3296564A1 (en) 2026-03-02
JP2022502912A (ja) 2022-01-11
JP2025138854A (ja) 2025-09-25
JP2025011307A (ja) 2025-01-23
WO2020067700A1 (ko) 2020-04-02
CN118488217A (zh) 2024-08-13
CN112806014B (zh) 2024-06-21
EP3860127A4 (en) 2022-08-10
AU2025204622A1 (en) 2025-07-10
US12075062B2 (en) 2024-08-27
US20240275981A1 (en) 2024-08-15
CA3296569A1 (en) 2026-03-02
JP7577235B2 (ja) 2024-11-01
US20250175614A1 (en) 2025-05-29
CN118488212A (zh) 2024-08-13
CA3113860A1 (en) 2020-04-02
JP2024059861A (ja) 2024-05-01
AU2019350336B2 (en) 2025-06-05
US12537961B2 (en) 2026-01-27
CN118488216A (zh) 2024-08-13
US20250330608A1 (en) 2025-10-23
US20240373030A1 (en) 2024-11-07
JP7447097B2 (ja) 2024-03-11
US20240015300A1 (en) 2024-01-11
EP4708870A2 (en) 2026-03-11
AU2019350336A1 (en) 2021-05-13
CN118488214A (zh) 2024-08-13
US20220078436A1 (en) 2022-03-10
SG11202102219YA (en) 2021-04-29
JP7711293B2 (ja) 2025-07-22
AU2025204597A1 (en) 2025-07-10
PH12021550491A1 (en) 2021-11-08
EP3860127A1 (en) 2021-08-04
CN118488213A (zh) 2024-08-13
US20250175615A1 (en) 2025-05-29
AU2025204624A1 (en) 2025-07-10
US20250175613A1 (en) 2025-05-29
US12219148B2 (en) 2025-02-04
CN118488218A (zh) 2024-08-13
US20250175616A1 (en) 2025-05-29

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