AU2019350336B2 - Image encoding/decoding method and device - Google Patents

Image encoding/decoding method and device Download PDF

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AU2019350336B2
AU2019350336B2 AU2019350336A AU2019350336A AU2019350336B2 AU 2019350336 B2 AU2019350336 B2 AU 2019350336B2 AU 2019350336 A AU2019350336 A AU 2019350336A AU 2019350336 A AU2019350336 A AU 2019350336A AU 2019350336 B2 AU2019350336 B2 AU 2019350336B2
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AU2019350336A1 (en
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Ki Baek Kim
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B1 Institute of Image Technology 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
    • H04N19/10—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
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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
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—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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    • 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
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    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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

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  • 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)
AU2019350336A 2018-09-24 2019-09-24 Image encoding/decoding method and device Active AU2019350336B2 (en)

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AU2025204624A AU2025204624A1 (en) 2018-09-24 2025-06-19 Image encoding/decoding method and device
AU2025204622A AU2025204622A1 (en) 2018-09-24 2025-06-19 Image encoding/decoding method and device
AU2025204597A AU2025204597A1 (en) 2018-09-24 2025-06-19 Image encoding/decoding method and device

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KR10-2018-0114536 2018-09-24
KR10-2018-0114539 2018-09-24
KR20180114540 2018-09-24
KR20180114539 2018-09-24
KR20180114536 2018-09-24
KR10-2018-0114540 2018-09-24
PCT/KR2019/012404 WO2020067700A1 (ko) 2018-09-24 2019-09-24 영상 부호화/복호화 방법 및 장치

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US (9) US20220078436A1 (enExample)
EP (2) EP3860127A4 (enExample)
JP (4) JP7447097B2 (enExample)
KR (1) KR20210052568A (enExample)
CN (10) CN118488216A (enExample)
AU (4) AU2019350336B2 (enExample)
CA (3) CA3296569A1 (enExample)
PH (1) PH12021550491A1 (enExample)
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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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WO2024117533A1 (ko) * 2022-11-29 2024-06-06 현대자동차주식회사 아핀 모델 기반의 예측을 이용하는 비디오 코딩방법 및 장치
WO2024192563A1 (zh) * 2023-03-17 2024-09-26 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质
WO2025007250A1 (zh) * 2023-07-03 2025-01-09 Oppo广东移动通信有限公司 视频解码方法、装置、设备、及存储介质

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US20180098085A1 (en) * 2016-10-05 2018-04-05 Arris Enterprises Llc Offset temporal motion vector predictor (tmvp)

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AU2019350336A1 (en) 2021-05-13
US20240015300A1 (en) 2024-01-11
CN112806014B (zh) 2024-06-21
CN118488216A (zh) 2024-08-13
ZA202101747B (en) 2022-07-27
CN118488218A (zh) 2024-08-13
AU2025204624A1 (en) 2025-07-10
CA3296569A1 (en) 2026-03-02
SG11202102219YA (en) 2021-04-29
AU2025204597A1 (en) 2025-07-10
CN118488213A (zh) 2024-08-13
CN118488212A (zh) 2024-08-13
US20250175616A1 (en) 2025-05-29
JP7447097B2 (ja) 2024-03-11
US20250175614A1 (en) 2025-05-29
US20240275981A1 (en) 2024-08-15
CN118488211A (zh) 2024-08-13
CN118488217A (zh) 2024-08-13
CN118488215A (zh) 2024-08-13
EP3860127A4 (en) 2022-08-10
US20250175613A1 (en) 2025-05-29
PH12021550491A1 (en) 2021-11-08
US12075062B2 (en) 2024-08-27
KR20210052568A (ko) 2021-05-10
JP7711293B2 (ja) 2025-07-22
CN118250473A (zh) 2024-06-25
JP2022502912A (ja) 2022-01-11
JP2024059861A (ja) 2024-05-01
US12537961B2 (en) 2026-01-27
AU2025204622A1 (en) 2025-07-10
EP4708870A3 (en) 2026-06-10
US20250330608A1 (en) 2025-10-23
JP7896138B2 (ja) 2026-07-28
US20250175615A1 (en) 2025-05-29
US20240373030A1 (en) 2024-11-07
CA3113860A1 (en) 2020-04-02
EP3860127A1 (en) 2021-08-04
US12219148B2 (en) 2025-02-04
CN112806014A (zh) 2021-05-14
JP2025011307A (ja) 2025-01-23
CN118488214A (zh) 2024-08-13
JP7577235B2 (ja) 2024-11-01
CA3296564A1 (en) 2026-03-02
JP2025138854A (ja) 2025-09-25
WO2020067700A1 (ko) 2020-04-02
US20220078436A1 (en) 2022-03-10
EP4708870A2 (en) 2026-03-11

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