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MX2024013520A - Método de codificación/decodificación de señal de imagen y aparato para el mismo - Google Patents

Método de codificación/decodificación de señal de imagen y aparato para el mismo

Info

Publication number
MX2024013520A
MX2024013520A MX2024013520A MX2024013520A MX2024013520A MX 2024013520 A MX2024013520 A MX 2024013520A MX 2024013520 A MX2024013520 A MX 2024013520A MX 2024013520 A MX2024013520 A MX 2024013520A MX 2024013520 A MX2024013520 A MX 2024013520A
Authority
MX
Mexico
Prior art keywords
affine
vector
decoding method
blending
seed vector
Prior art date
Application number
MX2024013520A
Other languages
English (en)
Inventor
Bae Keun Lee
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 MX2024013520A publication Critical patent/MX2024013520A/es

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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
    • H04N19/10—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
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
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    • 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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • 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
    • 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
    • H04N19/50—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un método de decodificación de imagen de acuerdo con la presente invención comprende los pasos de: generar una lista de candidatos de mezcla de un bloque actual; especificar cualquiera de una pluralidad de candidatos de mezcla incluidos en la lista de candidatos de mezcla; con base en un primer vector de semilla afín y un segundo vector de semilla afín del candidato de mezcla especificado, inducir un primer vector de semilla afín y un segundo vector de semilla afín del bloque actual; usar el primer vector de semilla afín y el segundo vector de semilla afín del bloque actual, inducir un vector afín con respecto a un sub-bloque en el bloque actual; y con base en el vector afín, realizar la predicción de compensación de movimiento con respeto al sub-bloque.
MX2024013520A 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo MX2024013520A (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20180114346 2018-09-21
KR20180114347 2018-09-21
KR20180114345 2018-09-21
KR20180114350 2018-09-21
KR20190022754 2019-02-26
PCT/KR2019/012291 WO2020060328A1 (ko) 2018-09-21 2019-09-20 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

Publication Number Publication Date
MX2024013520A true MX2024013520A (es) 2024-12-06

Family

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Family Applications (5)

Application Number Title Priority Date Filing Date
MX2021003321A MX2021003321A (es) 2018-09-21 2019-09-20 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo.
MX2024013519A MX2024013519A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2024013518A MX2024013518A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2024013522A MX2024013522A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2024013520A MX2024013520A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo

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Application Number Title Priority Date Filing Date
MX2021003321A MX2021003321A (es) 2018-09-21 2019-09-20 Metodo de codificacion/decodificacion de se?al de imagen y aparato para el mismo.
MX2024013519A MX2024013519A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2024013518A MX2024013518A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo
MX2024013522A MX2024013522A (es) 2018-09-21 2021-03-19 Método de codificación/decodificación de señal de imagen y aparato para el mismo

Country Status (17)

Country Link
US (6) US11290737B2 (es)
EP (2) EP4340356A3 (es)
JP (3) JP7451504B2 (es)
KR (1) KR20200034645A (es)
CN (7) CN121397238A (es)
AU (3) AU2019343079B2 (es)
BR (1) BR112021005161A2 (es)
CA (1) CA3113584C (es)
ES (1) ES2985892T3 (es)
IL (2) IL281629B2 (es)
MX (5) MX2021003321A (es)
MY (1) MY206350A (es)
PH (1) PH12021550644A1 (es)
PL (1) PL3843402T3 (es)
SG (1) SG11202102908YA (es)
WO (1) WO2020060328A1 (es)
ZA (1) ZA202102080B (es)

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CN113225561A (zh) 2021-08-06
KR20200034645A (ko) 2020-03-31
US12294732B2 (en) 2025-05-06
MX2021003321A (es) 2021-05-14
US20260019613A1 (en) 2026-01-15
BR112021005161A2 (pt) 2021-06-15
ZA202102080B (en) 2022-08-31
CN113225561B (zh) 2023-04-21
IL304931A (en) 2023-10-01
EP4340356A3 (en) 2024-05-29
ES2985892T3 (es) 2024-11-07
PL3843402T3 (pl) 2024-06-24
CN116320397A (zh) 2023-06-23
US20210211704A1 (en) 2021-07-08
JP7661557B2 (ja) 2025-04-14
US20260019615A1 (en) 2026-01-15
EP3843402B1 (en) 2024-03-27
MX2024013519A (es) 2024-12-06
US20220166999A1 (en) 2022-05-26
CN121397238A (zh) 2026-01-23
MX2024013522A (es) 2024-12-06
US11290737B2 (en) 2022-03-29
CA3113584C (en) 2023-09-19
CN121284267A (zh) 2026-01-06
CA3113584A1 (en) 2020-03-26
CN121262380A (zh) 2026-01-02
EP3843402A4 (en) 2021-10-27
SG11202102908YA (en) 2021-04-29
IL281629A (en) 2021-05-31
AU2019343079B2 (en) 2023-04-27
CN121284266A (zh) 2026-01-06
EP4340356A2 (en) 2024-03-20
AU2024278251A1 (en) 2025-01-02
AU2023203259B2 (en) 2024-09-19
EP3843402A1 (en) 2021-06-30
US20260019614A1 (en) 2026-01-15
PH12021550644A1 (en) 2021-10-11
IL281629B2 (en) 2024-01-01
CN112956200A (zh) 2021-06-11
CN116320397B (zh) 2025-11-14
JP7451504B2 (ja) 2024-03-18
IL281629B1 (en) 2023-09-01
JP2024063204A (ja) 2024-05-10
MY206350A (en) 2024-12-12
MX2024013518A (es) 2024-12-06
WO2020060328A1 (ko) 2020-03-26
US20250220217A1 (en) 2025-07-03
JP2025098241A (ja) 2025-07-01
JP2022501896A (ja) 2022-01-06
AU2019343079A1 (en) 2021-04-29

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