EP4736408A2 - Intraaffine vorhersage in der videocodierung - Google Patents

Intraaffine vorhersage in der videocodierung

Info

Publication number
EP4736408A2
EP4736408A2 EP24745833.4A EP24745833A EP4736408A2 EP 4736408 A2 EP4736408 A2 EP 4736408A2 EP 24745833 A EP24745833 A EP 24745833A EP 4736408 A2 EP4736408 A2 EP 4736408A2
Authority
EP
European Patent Office
Prior art keywords
list
intra
template
vectors
affine
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP24745833.4A
Other languages
English (en)
French (fr)
Inventor
Jeeva Raj ARUMUGAM
Ashwin Natesan
Vaibhav Pandurang VALVAIKER
Jay Nitin Shingala
Fangjun PU
Taoran Lu
Peng Yin
Abhijeet Basavaraj SARATE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of EP4736408A2 publication Critical patent/EP4736408A2/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H04N19/10—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP24745833.4A 2023-06-28 2024-06-26 Intraaffine vorhersage in der videocodierung Pending EP4736408A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN202311043461 2023-06-28
IN202311066925 2023-10-05
PCT/US2024/035660 WO2025006634A2 (en) 2023-06-28 2024-06-26 Intra affine prediction in video coding

Publications (1)

Publication Number Publication Date
EP4736408A2 true EP4736408A2 (de) 2026-05-06

Family

ID=91960538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24745833.4A Pending EP4736408A2 (de) 2023-06-28 2024-06-26 Intraaffine vorhersage in der videocodierung

Country Status (3)

Country Link
EP (1) EP4736408A2 (de)
CN (1) CN121420531A (de)
WO (1) WO2025006634A2 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ769216A (en) * 2018-03-25 2022-04-29 B1 Institute Image Technology Inc Image encoding/decoding method and device
CN113170181B (zh) * 2018-11-29 2023-12-08 北京字节跳动网络技术有限公司 块内拷贝模式中的仿射继承方法
JP7271683B2 (ja) * 2019-04-27 2023-05-11 ホアウェイ・テクノロジーズ・カンパニー・リミテッド エンコーダ、デコーダ、および対応するイントラ予測方法
KR20200145749A (ko) * 2019-06-19 2020-12-30 한국전자통신연구원 화면 내 예측 모드 및 엔트로피 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
WO2025006634A3 (en) 2025-03-06
CN121420531A (zh) 2026-01-27
WO2025006634A2 (en) 2025-01-02

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