CN119865607A - 用于视频译码的扩展的多变换选择 - Google Patents

用于视频译码的扩展的多变换选择 Download PDF

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Publication number
CN119865607A
CN119865607A CN202510026244.5A CN202510026244A CN119865607A CN 119865607 A CN119865607 A CN 119865607A CN 202510026244 A CN202510026244 A CN 202510026244A CN 119865607 A CN119865607 A CN 119865607A
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China
Prior art keywords
transform
video data
lfnst
current block
block
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CN202510026244.5A
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English (en)
Chinese (zh)
Inventor
H·E·埃伊尔梅茨
V·谢廖金
A·赛义德
M·卡切夫维茨
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/12—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
    • H04N19/60—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/90—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

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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)
CN202510026244.5A 2019-04-05 2020-04-03 用于视频译码的扩展的多变换选择 Pending CN119865607A (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201962830125P 2019-04-05 2019-04-05
US62/830,125 2019-04-05
US201962855398P 2019-05-31 2019-05-31
US62/855,398 2019-05-31
US16/838,553 2020-04-02
US16/838,553 US11240534B2 (en) 2019-04-05 2020-04-02 Extended multiple transform selection for video coding
CN202080023522.7A CN113632472A (zh) 2019-04-05 2020-04-03 用于视频译码的扩展的多变换选择
PCT/US2020/026620 WO2020206286A1 (en) 2019-04-05 2020-04-03 Extended multiple transform selection for video coding

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CN119865607A true CN119865607A (zh) 2025-04-22

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CN202080023522.7A Pending CN113632472A (zh) 2019-04-05 2020-04-03 用于视频译码的扩展的多变换选择

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US (2) US11240534B2 (https=)
EP (1) EP3949399A1 (https=)
JP (1) JP7545410B2 (https=)
KR (1) KR20210142642A (https=)
CN (2) CN119865607A (https=)
BR (1) BR112021018855A2 (https=)
SG (1) SG11202109470VA (https=)
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WO2020206286A1 (en) 2020-10-08
US11683527B2 (en) 2023-06-20
KR20210142642A (ko) 2021-11-25
JP7545410B2 (ja) 2024-09-04
US11240534B2 (en) 2022-02-01
JP2022526375A (ja) 2022-05-24
US20220030278A1 (en) 2022-01-27
EP3949399A1 (en) 2022-02-09
SG11202109470VA (en) 2021-10-28
US20200322636A1 (en) 2020-10-08
BR112021018855A2 (pt) 2021-11-30
CN113632472A (zh) 2021-11-09

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