CN117597933A - 空间局部光照补偿 - Google Patents

空间局部光照补偿 Download PDF

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Publication number
CN117597933A
CN117597933A CN202280019523.3A CN202280019523A CN117597933A CN 117597933 A CN117597933 A CN 117597933A CN 202280019523 A CN202280019523 A CN 202280019523A CN 117597933 A CN117597933 A CN 117597933A
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CN
China
Prior art keywords
block
spatial
neighboring
lic
current block
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Pending
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CN202280019523.3A
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English (en)
Chinese (zh)
Inventor
陈娅
P·博尔德斯
F·莱莱昂内克
A·罗伯特
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InterDigital CE Patent Holdings SAS
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InterDigital CE Patent Holdings SAS
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Publication of CN117597933A publication Critical patent/CN117597933A/zh
Pending legal-status Critical Current

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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
    • H04N19/593Methods 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
    • H04N19/10Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/20Image enhancement or restoration using local operators
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/90Dynamic range modification of images or parts thereof
    • G06T5/94Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/196Methods 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
    • 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
    • H04N19/70Methods 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10016Video; 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)
CN202280019523.3A 2021-02-08 2022-01-27 空间局部光照补偿 Pending CN117597933A (zh)

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 (1)

Publication Number Publication Date
CN117597933A true CN117597933A (zh) 2024-02-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280019523.3A Pending CN117597933A (zh) 2021-02-08 2022-01-27 空间局部光照补偿

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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5529040B2 (ja) * 2008-01-10 2014-06-25 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
US10986358B2 (en) * 2016-07-05 2021-04-20 Kt Corporation Method and apparatus for processing video signal
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
CN112868238B (zh) * 2018-10-23 2023-04-21 北京字节跳动网络技术有限公司 局部照明补偿和帧间预测编解码之间的并置
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

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Publication number Publication date
AU2022216783A1 (en) 2023-08-17
KR20230145097A (ko) 2023-10-17
JP2024505900A (ja) 2024-02-08
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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