CA3132312A1 - Maximum transform size control - Google Patents

Maximum transform size control Download PDF

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Publication number
CA3132312A1
CA3132312A1 CA3132312A CA3132312A CA3132312A1 CA 3132312 A1 CA3132312 A1 CA 3132312A1 CA 3132312 A CA3132312 A CA 3132312A CA 3132312 A CA3132312 A CA 3132312A CA 3132312 A1 CA3132312 A1 CA 3132312A1
Authority
CA
Canada
Prior art keywords
video sequence
syntax element
level syntax
transform size
maximum transform
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3132312A
Other languages
English (en)
French (fr)
Inventor
Xin Zhao
Xiang Li
Shan Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of CA3132312A1 publication Critical patent/CA3132312A1/en
Pending legal-status Critical Current

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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
    • H04N19/102—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
    • H04N19/12—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
    • H04N19/169—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

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)
CA3132312A 2019-03-04 2020-03-02 Maximum transform size control Pending CA3132312A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962813665P 2019-03-04 2019-03-04
US62/813,665 2019-03-04
US16/804,547 2020-02-28
US16/804,547 US11159795B2 (en) 2019-03-04 2020-02-28 Max transform size control
PCT/US2020/020607 WO2020180769A1 (en) 2019-03-04 2020-03-02 Maximum transform size control

Publications (1)

Publication Number Publication Date
CA3132312A1 true CA3132312A1 (en) 2020-09-10

Family

ID=72335564

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3132312A Pending CA3132312A1 (en) 2019-03-04 2020-03-02 Maximum transform size control

Country Status (9)

Country Link
US (4) US11159795B2 (enExample)
EP (1) EP3935858A4 (enExample)
JP (2) JP7436482B2 (enExample)
KR (2) KR20250053214A (enExample)
CN (3) CN117499652A (enExample)
AU (5) AU2020233293B2 (enExample)
CA (1) CA3132312A1 (enExample)
SG (1) SG11202109477YA (enExample)
WO (1) WO2020180769A1 (enExample)

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KR20220057630A (ko) * 2019-09-13 2022-05-09 인터디지털 브이씨 홀딩스 프랑스 에스에이에스 코딩 툴들과의 변환 크기 상호작용들
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Also Published As

Publication number Publication date
CN113545091A (zh) 2021-10-22
JP2024050853A (ja) 2024-04-10
WO2020180769A1 (en) 2020-09-10
EP3935858A1 (en) 2022-01-12
AU2023203796A1 (en) 2023-07-13
AU2020233293B2 (en) 2023-03-16
KR102795040B1 (ko) 2025-04-15
KR20210088671A (ko) 2021-07-14
SG11202109477YA (en) 2021-09-29
AU2024204959A1 (en) 2024-08-08
JP7436482B2 (ja) 2024-02-21
AU2023203796B2 (en) 2024-05-02
AU2024204958A1 (en) 2024-08-08
EP3935858A4 (en) 2022-08-03
US12184854B2 (en) 2024-12-31
US11647192B2 (en) 2023-05-09
US20250106398A1 (en) 2025-03-27
CN117499653B (zh) 2026-05-29
AU2024204951B2 (en) 2026-04-02
KR20250053214A (ko) 2025-04-21
AU2024204951A1 (en) 2024-08-08
AU2020233293A1 (en) 2021-09-23
US20210409710A1 (en) 2021-12-30
CN117499653A (zh) 2024-02-02
US20230224462A1 (en) 2023-07-13
US20200288131A1 (en) 2020-09-10
CN117499652A (zh) 2024-02-02
JP2022511851A (ja) 2022-02-01
US11159795B2 (en) 2021-10-26
JP7790810B2 (ja) 2025-12-23
CN113545091B (zh) 2023-09-22

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