IL318995A - Image encoding/decoding method and device using intra prediction - Google Patents

Image encoding/decoding method and device using intra prediction

Info

Publication number
IL318995A
IL318995A IL318995A IL31899525A IL318995A IL 318995 A IL318995 A IL 318995A IL 318995 A IL318995 A IL 318995A IL 31899525 A IL31899525 A IL 31899525A IL 318995 A IL318995 A IL 318995A
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IL
Israel
Prior art keywords
current block
block
partition
prediction
sample
Prior art date
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IL318995A
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English (en)
Hebrew (he)
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of IL318995A publication Critical patent/IL318995A/en

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    • 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
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/124Quantisation
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree 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)
IL318995A 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction IL318995A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180107255 2018-09-07
PCT/KR2019/011554 WO2020050684A1 (ko) 2018-09-07 2019-09-06 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
IL318995A true IL318995A (en) 2025-04-01

Family

ID=69722959

Family Applications (5)

Application Number Title Priority Date Filing Date
IL318995A IL318995A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL281221A IL281221B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318997A IL318997A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL314758A IL314758B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318996A IL318996A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

Family Applications After (4)

Application Number Title Priority Date Filing Date
IL281221A IL281221B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318997A IL318997A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL314758A IL314758B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318996A IL318996A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

Country Status (16)

Country Link
US (6) US11477439B2 (https=)
EP (1) EP3833021A4 (https=)
JP (5) JP7448526B2 (https=)
KR (2) KR20200028856A (https=)
CN (9) CN116389742B (https=)
AU (5) AU2019336038B2 (https=)
BR (1) BR112021004024A2 (https=)
CA (1) CA3111982C (https=)
CL (1) CL2021000527A1 (https=)
IL (5) IL318995A (https=)
MX (5) MX2021002608A (https=)
MY (1) MY207879A (https=)
PH (1) PH12021550480A1 (https=)
SG (1) SG11202102238SA (https=)
WO (1) WO2020050684A1 (https=)
ZA (1) ZA202101569B (https=)

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EP3833021A4 (en) 2021-10-06
US20230026704A1 (en) 2023-01-26
ZA202101569B (en) 2022-08-31
CN121462758A (zh) 2026-02-03
IL314758A (en) 2024-10-01
MX2021002608A (es) 2021-05-12
US12143571B2 (en) 2024-11-12
IL314758B1 (en) 2025-04-01
CL2021000527A1 (es) 2021-08-20
JP2022501881A (ja) 2022-01-06
IL318997A (en) 2025-04-01
US20230024256A1 (en) 2023-01-26
CN121691666A (zh) 2026-03-17
US11477439B2 (en) 2022-10-18
US12137206B2 (en) 2024-11-05
US12137205B2 (en) 2024-11-05
US20210195176A1 (en) 2021-06-24
AU2024278108A1 (en) 2025-01-02
US12143570B2 (en) 2024-11-12
KR20200028856A (ko) 2020-03-17
WO2020050684A1 (ko) 2020-03-12
CN120786059A (zh) 2025-10-14
US20230024482A1 (en) 2023-01-26
KR20260005839A (ko) 2026-01-12
CN116405679A (zh) 2023-07-07
IL281221B2 (en) 2025-02-01
IL314758B2 (en) 2025-08-01
CN120751122A (zh) 2025-10-03
JP7659679B2 (ja) 2025-04-09
CN116389742B (zh) 2025-12-09
CN116405679B (zh) 2025-12-09
US20230026401A1 (en) 2023-01-26
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