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CL2023001948A1 - Método y dispositivo de codificación/decodificación de video a base de intra predicción - Google Patents

Método y dispositivo de codificación/decodificación de video a base de intra predicción

Info

Publication number
CL2023001948A1
CL2023001948A1 CL2023001948A CL2023001948A CL2023001948A1 CL 2023001948 A1 CL2023001948 A1 CL 2023001948A1 CL 2023001948 A CL2023001948 A CL 2023001948A CL 2023001948 A CL2023001948 A CL 2023001948A CL 2023001948 A1 CL2023001948 A1 CL 2023001948A1
Authority
CL
Chile
Prior art keywords
intra prediction
decoding method
device based
video coding
current block
Prior art date
Application number
CL2023001948A
Other languages
English (en)
Inventor
Baek Kim Ki
Original Assignee
B1 Institute Image Technology Inc
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 B1 Institute Image Technology Inc filed Critical B1 Institute Image Technology Inc
Publication of CL2023001948A1 publication Critical patent/CL2023001948A1/es

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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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/102—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
    • H04N19/134—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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/553—Motion estimation dealing with occlusions
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/90—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)

Abstract

La presente invención que se refiere a un método y dispositivo de codificación/decodificación de video de conformidad con la presente invención puede: determinar un área de referencia para la intra predicción del bloque actual; derivar el modo de intra predicción del bloque actual; y decodificar el bloque actual con base en el área de referencia y el modo de intra predicción.
CL2023001948A 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción CL2023001948A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180173164 2018-12-28
KR20180173228 2018-12-29

Publications (1)

Publication Number Publication Date
CL2023001948A1 true CL2023001948A1 (es) 2023-12-22

Family

ID=71127350

Family Applications (6)

Application Number Title Priority Date Filing Date
CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)
CL2023001946A CL2023001946A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001948A CL2023001948A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001950A CL2023001950A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

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CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)
CL2023001946A CL2023001946A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

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CL2023001950A CL2023001950A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

Country Status (17)

Country Link
US (7) US10951886B2 (es)
EP (1) EP3905677A4 (es)
JP (2) JP7467467B2 (es)
KR (1) KR20200083356A (es)
CN (2) CN118660160A (es)
AU (3) AU2019416633B2 (es)
BR (1) BR112021012650A2 (es)
CA (1) CA3125318A1 (es)
CL (6) CL2021001711A1 (es)
CO (1) CO2021008542A2 (es)
MX (6) MX2021007764A (es)
PE (1) PE20212021A1 (es)
PH (1) PH12021551481A1 (es)
SA (2) SA522433104B1 (es)
SG (1) SG11202106789YA (es)
WO (1) WO2020139060A1 (es)
ZA (6) ZA202104512B (es)

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PE20212021A1 (es) 2021-10-18
SA522433104B1 (ar) 2024-03-24
JP2024081747A (ja) 2024-06-18
MX2024007630A (es) 2024-07-09
SA521422411B1 (ar) 2024-04-16
KR20200083356A (ko) 2020-07-08
MX2021007764A (es) 2021-08-05
MX2024007809A (es) 2024-07-09
US20240430406A1 (en) 2024-12-26
MX2024008200A (es) 2024-07-15
ZA202207264B (en) 2024-08-28
US20230269370A1 (en) 2023-08-24
PH12021551481A1 (en) 2022-05-02
ZA202104512B (en) 2024-02-28
CA3125318A1 (en) 2020-07-02
CL2023001947A1 (es) 2023-12-22
BR112021012650A2 (pt) 2021-11-03
CL2021001711A1 (es) 2021-12-24
ZA202210186B (en) 2023-11-29
AU2025204217A1 (en) 2025-06-26
MX2023007397A (es) 2023-07-05
US11677933B2 (en) 2023-06-13
CN118660160A (zh) 2024-09-17
CO2021008542A2 (es) 2021-07-30
CL2023001946A1 (es) 2023-12-22
US10951918B2 (en) 2021-03-16
ZA202301413B (en) 2024-07-31
ZA202301411B (en) 2024-07-31
AU2019416633B2 (en) 2025-05-08
US12256063B2 (en) 2025-03-18
CN113261282A (zh) 2021-08-13
US20210044798A1 (en) 2021-02-11
CL2022001094A1 (es) 2023-02-03
EP3905677A4 (en) 2022-08-31
CL2023001950A1 (es) 2023-12-22
US20240430407A1 (en) 2024-12-26
US20210044830A1 (en) 2021-02-11
WO2020139060A1 (ko) 2020-07-02
ZA202301412B (en) 2024-07-31
US20240430408A1 (en) 2024-12-26
US10951886B2 (en) 2021-03-16
MX2024007810A (es) 2024-07-09
AU2019416633A1 (en) 2021-08-19
JP7467467B2 (ja) 2024-04-15
JP2022515992A (ja) 2022-02-24
SG11202106789YA (en) 2021-07-29
EP3905677A1 (en) 2021-11-03
US20210160483A1 (en) 2021-05-27
AU2025202037A1 (en) 2025-04-10

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