CA3296569A1 - Image encoding/decoding method and device - Google Patents

Image encoding/decoding method and device

Info

Publication number
CA3296569A1
CA3296569A1 CA3296569A CA3296569A CA3296569A1 CA 3296569 A1 CA3296569 A1 CA 3296569A1 CA 3296569 A CA3296569 A CA 3296569A CA 3296569 A CA3296569 A CA 3296569A CA 3296569 A1 CA3296569 A1 CA 3296569A1
Authority
CA
Canada
Prior art keywords
decoding method
image encoding
encoding
decoding
image
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
CA3296569A
Other languages
English (en)
Inventor
Ki Baek Kim
Original Assignee
B1 Institute of 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 of Image Technology Inc filed Critical B1 Institute of Image Technology Inc
Publication of CA3296569A1 publication Critical patent/CA3296569A1/en
Pending legal-status Critical Current

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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
    • H04N19/10—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
    • H04N19/597—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
    • H04N19/50—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
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    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • H04N19/189—Methods 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
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/50—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
    • H04N19/507—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction using conditional replenishment
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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

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)
CA3296569A 2018-09-24 2019-09-24 Image encoding/decoding method and device Pending CA3296569A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
KR20180114539 2018-09-24
KR10-2018-0114539 2018-09-24
KR20180114536 2018-09-24
KR20180114540 2018-09-24
KR10-2018-0114540 2018-09-24
KR10-2018-0114536 2018-09-24
CA3113860A CA3113860A1 (en) 2018-09-24 2019-09-24 Image encoding/decoding method and device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3113860A Division CA3113860A1 (en) 2018-09-24 2019-09-24 Image encoding/decoding method and device

Publications (1)

Publication Number Publication Date
CA3296569A1 true CA3296569A1 (en) 2026-03-02

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CA3296569A Pending CA3296569A1 (en) 2018-09-24 2019-09-24 Image encoding/decoding method and device
CA3296564A Pending CA3296564A1 (en) 2018-09-24 2019-09-24 Image encoding/decoding method and device
CA3113860A Pending CA3113860A1 (en) 2018-09-24 2019-09-24 Image encoding/decoding method and device

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CA3113860A Pending CA3113860A1 (en) 2018-09-24 2019-09-24 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=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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Publication number Priority date Publication date Assignee Title
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

Also Published As

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
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
ZA202101747B (en) 2022-07-27
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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