AU2020253601B2 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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AU2020253601B2
AU2020253601B2 AU2020253601A AU2020253601A AU2020253601B2 AU 2020253601 B2 AU2020253601 B2 AU 2020253601B2 AU 2020253601 A AU2020253601 A AU 2020253601A AU 2020253601 A AU2020253601 A AU 2020253601A AU 2020253601 B2 AU2020253601 B2 AU 2020253601B2
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block
transform
secondary transform
signaled
video
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AU2020253601A1 (en
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Xiang Li
Shan Liu
Xin Zhao
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/60—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
    • H04N19/10—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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/18—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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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

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  • 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)
  • Color Television Systems (AREA)
AU2020253601A 2019-04-04 2020-04-03 Method and apparatus for video coding Active AU2020253601B2 (en)

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AU2023203638A AU2023203638B2 (en) 2019-04-04 2023-06-09 Method and Apparatus for Video Coding

Applications Claiming Priority (5)

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US201962829435P 2019-04-04 2019-04-04
US62/829,435 2019-04-04
US16/838,755 US11172211B2 (en) 2019-04-04 2020-04-02 Method and apparatus for video coding
US16/838,755 2020-04-02
PCT/US2020/026578 WO2020206254A1 (en) 2019-04-04 2020-04-03 Method and apparatus for video coding

Related Child Applications (1)

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AU2020253601B2 true AU2020253601B2 (en) 2023-03-09

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EP (1) EP3949410A4 (https=)
JP (4) JP7185049B2 (https=)
KR (3) KR102550425B1 (https=)
CN (3) CN113557732B (https=)
AU (2) AU2020253601B2 (https=)
CA (1) CA3133111A1 (https=)
SG (1) SG11202110364XA (https=)
WO (1) WO2020206254A1 (https=)

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FR3086485A1 (fr) * 2018-09-21 2020-03-27 Orange Procedes et dispositifs de codage et de decodage d'un flux de donnees representatif d'au moins une image.
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WO2020228670A1 (en) 2019-05-10 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Luma based secondary transform matrix selection for video processing
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MX2021016011A (es) * 2019-06-25 2022-02-22 Fraunhofer Ges Forschung Decodificador, codificador y metodos que comprenden una codificacion para intra-subparticiones.
KR102745245B1 (ko) * 2019-06-25 2024-12-23 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
CN114208183B (zh) 2019-08-03 2025-01-10 北京字节跳动网络技术有限公司 视频的缩减二次变换中基于位置的模式导出
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JP2022515813A (ja) 2022-02-22
KR102550425B1 (ko) 2023-07-04
CN117857792A (zh) 2024-04-09
JP7684451B2 (ja) 2025-05-27
CA3133111A1 (en) 2020-10-08
US20210392345A1 (en) 2021-12-16
JP2025118891A (ja) 2025-08-13
EP3949410A1 (en) 2022-02-09
EP3949410A4 (en) 2023-03-29
US20240430458A1 (en) 2024-12-26
KR20210068511A (ko) 2021-06-09
CN113557732B (zh) 2023-12-26
KR20230104757A (ko) 2023-07-10
KR102758652B1 (ko) 2025-01-22
WO2020206254A1 (en) 2020-10-08
SG11202110364XA (en) 2021-10-28
CN117528083A (zh) 2024-02-06
JP7427756B2 (ja) 2024-02-05
JP2023010887A (ja) 2023-01-20
AU2023203638A1 (en) 2023-07-06
JP7185049B2 (ja) 2022-12-06
JP2024028602A (ja) 2024-03-04
AU2020253601A1 (en) 2021-10-07
AU2023203638B2 (en) 2025-02-27
CN113557732A (zh) 2021-10-26
US12113990B2 (en) 2024-10-08
US20200322617A1 (en) 2020-10-08
KR20250016488A (ko) 2025-02-03
US11172211B2 (en) 2021-11-09

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