CA3238672C - Method and apparatus for configuring transform for video compression - Google Patents

Method and apparatus for configuring transform for video compression

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Publication number
CA3238672C
CA3238672C CA3238672A CA3238672A CA3238672C CA 3238672 C CA3238672 C CA 3238672C CA 3238672 A CA3238672 A CA 3238672A CA 3238672 A CA3238672 A CA 3238672A CA 3238672 C CA3238672 C CA 3238672C
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Prior art keywords
transform
index
dst
combination
unit
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Active
Application number
CA3238672A
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English (en)
French (fr)
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CA3238672A1 (en
Inventor
Moonmo KOO
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CA3175176A priority Critical patent/CA3175176C/en
Priority to CA3238672A priority patent/CA3238672C/en
Priority to CA3288542A priority patent/CA3288542A1/en
Publication of CA3238672A1 publication Critical patent/CA3238672A1/en
Application granted granted Critical
Publication of CA3238672C publication Critical patent/CA3238672C/en
Active 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
    • H04N19/134—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
    • H04N19/18—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
    • H04N19/46—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
    • H04N19/60—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

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)
CA3238672A 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression Active CA3238672C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA3175176A CA3175176C (en) 2017-08-04 2018-08-06 METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION
CA3238672A CA3238672C (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3288542A CA3288542A1 (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762541103P 2017-08-04 2017-08-04
US62/541,103 2017-08-04
CA3175176A CA3175176C (en) 2017-08-04 2018-08-06 METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION
CA3238672A CA3238672C (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3288542A CA3288542A1 (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA3175176A Division CA3175176C (en) 2017-08-04 2018-08-06 METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3288542A Division CA3288542A1 (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression

Publications (2)

Publication Number Publication Date
CA3238672A1 CA3238672A1 (en) 2019-02-07
CA3238672C true CA3238672C (en) 2026-03-10

Family

ID=65233487

Family Applications (4)

Application Number Title Priority Date Filing Date
CA3238672A Active CA3238672C (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3288542A Pending CA3288542A1 (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3073674A Active CA3073674C (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3175176A Active CA3175176C (en) 2017-08-04 2018-08-06 METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION

Family Applications After (3)

Application Number Title Priority Date Filing Date
CA3288542A Pending CA3288542A1 (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3073674A Active CA3073674C (en) 2017-08-04 2018-08-06 Method and apparatus for configuring transform for video compression
CA3175176A Active CA3175176C (en) 2017-08-04 2018-08-06 METHOD AND APPARATUS FOR CONFIGURING A TRANSFORMER FOR VIDEO COMPRESSION

Country Status (11)

Country Link
US (5) US11277640B2 (https=)
EP (1) EP3661214B1 (https=)
JP (1) JP7446988B2 (https=)
KR (4) KR102385399B1 (https=)
CN (1) CN111226442B (https=)
AU (2) AU2018311237B2 (https=)
BR (1) BR112020002317A8 (https=)
CA (4) CA3238672C (https=)
MX (2) MX2020001377A (https=)
RU (2) RU2769944C1 (https=)
WO (1) WO2019027302A1 (https=)

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Also Published As

Publication number Publication date
KR20220132065A (ko) 2022-09-29
MX2020001377A (es) 2020-03-09
CA3175176A1 (en) 2019-02-07
KR102385399B1 (ko) 2022-04-11
US20250097469A1 (en) 2025-03-20
US12192526B2 (en) 2025-01-07
JP7446988B2 (ja) 2024-03-11
CA3073674C (en) 2022-11-29
AU2018311237A1 (en) 2020-03-05
US20250097470A1 (en) 2025-03-20
CA3175176C (en) 2024-07-02
EP3661214B1 (en) 2022-07-20
US20200177921A1 (en) 2020-06-04
MX2023012003A (es) 2023-10-20
CA3238672A1 (en) 2019-02-07
KR20220048044A (ko) 2022-04-19
KR20200023480A (ko) 2020-03-04
US11277640B2 (en) 2022-03-15
BR112020002317A8 (pt) 2023-01-24
US11825119B2 (en) 2023-11-21
BR112020002317A2 (pt) 2020-09-08
KR102629234B1 (ko) 2024-01-24
AU2018311237B2 (en) 2021-07-29
WO2019027302A1 (ko) 2019-02-07
EP3661214A1 (en) 2020-06-03
US20220167018A1 (en) 2022-05-26
EP3661214A4 (en) 2020-06-03
RU2745021C1 (ru) 2021-03-18
RU2769944C1 (ru) 2022-04-11
AU2021258067B2 (en) 2023-02-16
CN111226442A (zh) 2020-06-02
KR102447500B1 (ko) 2022-09-23
KR20240015154A (ko) 2024-02-02
CA3288542A1 (en) 2025-11-29
JP2020529782A (ja) 2020-10-08
AU2021258067A1 (en) 2021-11-25
CA3073674A1 (en) 2019-02-07
US20240056607A1 (en) 2024-02-15
CN111226442B (zh) 2022-06-21

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