MX2024010830A - Ajuste de modelo para la compensacion de iluminacion local en la codificacion de video. - Google Patents

Ajuste de modelo para la compensacion de iluminacion local en la codificacion de video.

Info

Publication number
MX2024010830A
MX2024010830A MX2024010830A MX2024010830A MX2024010830A MX 2024010830 A MX2024010830 A MX 2024010830A MX 2024010830 A MX2024010830 A MX 2024010830A MX 2024010830 A MX2024010830 A MX 2024010830A MX 2024010830 A MX2024010830 A MX 2024010830A
Authority
MX
Mexico
Prior art keywords
illumination compensation
local illumination
block
decoder
video
Prior art date
Application number
MX2024010830A
Other languages
English (en)
Spanish (es)
Inventor
Haoping Yu
Yue Yu
Jonathan Gan
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of MX2024010830A publication Critical patent/MX2024010830A/es

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/50Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MX2024010830A 2022-03-08 2023-03-03 Ajuste de modelo para la compensacion de iluminacion local en la codificacion de video. MX2024010830A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202263269039P 2022-03-08 2022-03-08
PCT/US2023/063711 WO2023172851A1 (en) 2022-03-08 2023-03-03 Model adjustment for local illumination compensation in video coding

Publications (1)

Publication Number Publication Date
MX2024010830A true MX2024010830A (es) 2024-09-17

Family

ID=87935872

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2024010830A MX2024010830A (es) 2022-03-08 2023-03-03 Ajuste de modelo para la compensacion de iluminacion local en la codificacion de video.

Country Status (6)

Country Link
US (1) US20250184538A1 (enExample)
EP (1) EP4490913A4 (enExample)
JP (1) JP2025508549A (enExample)
CN (1) CN118830253A (enExample)
MX (1) MX2024010830A (enExample)
WO (1) WO2023172851A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119013978A (zh) * 2022-04-13 2024-11-22 Oppo广东移动通信有限公司 视频编码的跨分量模型调整
WO2025063778A1 (ko) * 2023-09-21 2025-03-27 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US12610065B1 (en) * 2024-10-23 2026-04-21 Sharp Kabushiki Kaisha Systems and methods for signaling a non-linear transform normalization technique in video coding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10887597B2 (en) * 2015-06-09 2021-01-05 Qualcomm Incorporated Systems and methods of determining illumination compensation parameters for video coding
US11310535B2 (en) * 2017-07-05 2022-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Deblocking filtering control for illumination compensation
US10715810B2 (en) * 2018-02-20 2020-07-14 Qualcomm Incorporated Simplified local illumination compensation
CN112042189B (zh) * 2018-04-30 2023-07-21 寰发股份有限公司 照度补偿方法及相应的电子装置
WO2020017910A1 (ko) * 2018-07-18 2020-01-23 한국전자통신연구원 지역 조명 보상을 통한 효과적인 비디오 부호화/복호화 방법 및 장치
KR20260048327A (ko) * 2018-11-05 2026-04-09 인터디지털 브이씨 홀딩스 인코포레이티드 이웃 샘플 의존 파라메트릭 모델에 기초한 코딩 모드의 단순화
CN113545092B (zh) * 2019-03-08 2025-02-18 交互数字Vc控股公司 用于视频编码或解码的局部照明补偿
US11997308B2 (en) * 2019-03-08 2024-05-28 Interdigital Madison Patent Holdings, Sas Local illumination compensation for video encoding or decoding
US12166998B2 (en) * 2022-01-12 2024-12-10 Tencent America LLC Adjustment based local illumination compensation

Also Published As

Publication number Publication date
US20250184538A1 (en) 2025-06-05
WO2023172851A1 (en) 2023-09-14
JP2025508549A (ja) 2025-03-26
CN118830253A (zh) 2024-10-22
EP4490913A4 (en) 2026-03-11
EP4490913A1 (en) 2025-01-15

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