JP2024505900A - 空間局所照明補償 - Google Patents

空間局所照明補償 Download PDF

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Publication number
JP2024505900A
JP2024505900A JP2023545821A JP2023545821A JP2024505900A JP 2024505900 A JP2024505900 A JP 2024505900A JP 2023545821 A JP2023545821 A JP 2023545821A JP 2023545821 A JP2023545821 A JP 2023545821A JP 2024505900 A JP2024505900 A JP 2024505900A
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block
spatial
lic
current block
reconstructed samples
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JP2024505900A5 (https=
Inventor
チェン，ヤ
ボルデ，フィリップ
リアネック，ファブリス ル
ロバート，アントワーヌ
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インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ
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Publication of JP2024505900A publication Critical patent/JP2024505900A/ja
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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
    • H04N19/593—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
    • H04N19/10—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/10—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
    • H04N19/196—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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/70—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Liquid Crystal (AREA)
JP2023545821A 2021-02-08 2022-01-27 空間局所照明補償 Pending JP2024505900A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21305170 2021-02-08
EP21305170.9 2021-02-08
PCT/EP2022/051924 WO2022167322A1 (en) 2021-02-08 2022-01-27 Spatial local illumination compensation

Publications (2)

Publication Number Publication Date
JP2024505900A true JP2024505900A (ja) 2024-02-08
JP2024505900A5 JP2024505900A5 (https=) 2025-01-08

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JP2023545821A Pending JP2024505900A (ja) 2021-02-08 2022-01-27 空間局所照明補償

Country Status (8)

Country Link
US (1) US20240214553A1 (https=)
EP (1) EP4289141A1 (https=)
JP (1) JP2024505900A (https=)
KR (1) KR20230145097A (https=)
CN (1) CN117597933A (https=)
AU (1) AU2022216783A1 (https=)
MX (1) MX2023008942A (https=)
WO (1) WO2022167322A1 (https=)

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US12526421B2 (en) * 2022-04-06 2026-01-13 Tencent America LLC CABAC context modeling with information from spatial neighbors
CN120226356A (zh) * 2022-11-16 2025-06-27 抖音视界有限公司 视频编解码中照明补偿的改进
JP2025540669A (ja) * 2022-11-18 2025-12-16 コムキャスト ケーブル コミュニケーションズ， エルエルシー 局所照明補償による改善された予測
CN120323014A (zh) * 2022-12-05 2025-07-15 抖音视界有限公司 用于视频处理的方法、装置和介质
WO2024153153A1 (en) * 2023-01-19 2024-07-25 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
US20240251095A1 (en) * 2023-01-19 2024-07-25 Tencent America LLC Local illumination compensation
US20240298025A1 (en) * 2023-03-02 2024-09-05 Qualcomm Incorporated Candidate derivation in a search range using template matching for video coding
WO2024207440A1 (zh) * 2023-04-07 2024-10-10 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
WO2024208367A1 (en) * 2023-04-07 2024-10-10 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
CN121464635A (zh) * 2023-06-28 2026-02-03 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器
WO2025002752A1 (en) * 2023-06-30 2025-01-02 Interdigital Ce Patent Holdings, Sas Intra template matching prediction search range extension
WO2025007263A1 (zh) * 2023-07-03 2025-01-09 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
WO2025073519A1 (en) * 2023-10-02 2025-04-10 Interdigital Ce Patent Holdings, Sas Filtering applied to chroma direct block vector
WO2025157298A1 (en) * 2024-01-26 2025-07-31 Mediatek Inc. Methods and apparatus of intra merge mode for reference line intra mode prediction

Citations (3)

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JP2011509639A (ja) * 2008-01-10 2011-03-24 トムソン ライセンシング イントラ予測されたビデオの照明補償の方法及び装置
US20190313113A1 (en) * 2016-07-05 2019-10-10 Kt Corporation Method and apparatus for processing video signal
WO2020084506A1 (en) * 2018-10-23 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Harmonized local illumination compensation and intra block copy coding

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Publication number Priority date Publication date Assignee Title
CN109792529A (zh) * 2016-09-22 2019-05-21 Lg 电子株式会社 图像编译系统中的基于照度补偿的间预测方法和设备
MX2020007355A (es) * 2018-01-16 2020-10-12 Vid Scale Inc Bipredicción compensada en movimiento basada en compensación de iluminación local.
US10715810B2 (en) * 2018-02-20 2020-07-14 Qualcomm Incorporated Simplified local illumination compensation
US10419754B1 (en) * 2018-04-02 2019-09-17 Tencent America LLC Method and apparatus for video decoding using multiple line intra prediction
CN119211531A (zh) * 2018-12-28 2024-12-27 韩国电子通信研究院 视频编码/解码方法、设备以及存储有比特流的记录介质
US11039156B2 (en) * 2019-06-11 2021-06-15 Tencent America LLC Unified position dependent prediction combination process
US12088839B2 (en) * 2019-10-06 2024-09-10 Hyundai Motor Company Method and apparatus for encoding and decoding video using inter-prediction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011509639A (ja) * 2008-01-10 2011-03-24 トムソン ライセンシング イントラ予測されたビデオの照明補償の方法及び装置
US20190313113A1 (en) * 2016-07-05 2019-10-10 Kt Corporation Method and apparatus for processing video signal
WO2020084506A1 (en) * 2018-10-23 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Harmonized local illumination compensation and intra block copy coding

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Publication number Publication date
AU2022216783A1 (en) 2023-08-17
CN117597933A (zh) 2024-02-23
KR20230145097A (ko) 2023-10-17
AU2022216783A9 (en) 2024-07-11
US20240214553A1 (en) 2024-06-27
MX2023008942A (es) 2023-09-18
EP4289141A1 (en) 2023-12-13
WO2022167322A1 (en) 2022-08-11

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