CN118830253A - 视频编码中用于局部照度补偿的模型调节 - Google Patents

视频编码中用于局部照度补偿的模型调节 Download PDF

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Publication number
CN118830253A
CN118830253A CN202380025827.5A CN202380025827A CN118830253A CN 118830253 A CN118830253 A CN 118830253A CN 202380025827 A CN202380025827 A CN 202380025827A CN 118830253 A CN118830253 A CN 118830253A
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CN
China
Prior art keywords
parameter
block
adjustment
reconstructed pixels
pixels
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Pending
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CN202380025827.5A
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English (en)
Chinese (zh)
Inventor
余越
于浩平
乔纳森·甘
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CN118830253A publication Critical patent/CN118830253A/zh
Pending legal-status Critical Current

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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
    • H04N19/70—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
    • 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
    • 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
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/50—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202380025827.5A 2022-03-08 2023-03-03 视频编码中用于局部照度补偿的模型调节 Pending CN118830253A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263269039P 2022-03-08 2022-03-08
US63/269,039 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
CN118830253A true CN118830253A (zh) 2024-10-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380025827.5A Pending CN118830253A (zh) 2022-03-08 2023-03-03 视频编码中用于局部照度补偿的模型调节

Country Status (6)

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

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

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Publication number Publication date
MX2024010830A (es) 2024-09-17
US20250184538A1 (en) 2025-06-05
WO2023172851A1 (en) 2023-09-14
JP2025508549A (ja) 2025-03-26
EP4490913A4 (en) 2026-03-11
EP4490913A1 (en) 2025-01-15

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