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EP4397041A4 - METHOD AND APPARATUS FOR SECONDARY TRANSFORM WITH ADAPTIVE KERNEL OPTIONS - Google Patents

METHOD AND APPARATUS FOR SECONDARY TRANSFORM WITH ADAPTIVE KERNEL OPTIONS Download PDF

Info

Publication number
EP4397041A4
EP4397041A4 EP22865386.1A EP22865386A EP4397041A4 EP 4397041 A4 EP4397041 A4 EP 4397041A4 EP 22865386 A EP22865386 A EP 22865386A EP 4397041 A4 EP4397041 A4 EP 4397041A4
Authority
EP
European Patent Office
Prior art keywords
secondary transform
adaptive kernel
options
kernel options
adaptive
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
EP22865386.1A
Other languages
German (de)
French (fr)
Other versions
EP4397041A1 (en
Inventor
Madhu PERINGASSERY KRISHNAN
Xin Zhao
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
Priority claimed from PCT/US2022/041913 external-priority patent/WO2023034225A1/en
Publication of EP4397041A1 publication Critical patent/EP4397041A1/en
Publication of EP4397041A4 publication Critical patent/EP4397041A4/en
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • 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

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)
EP22865386.1A 2021-08-30 2022-08-29 METHOD AND APPARATUS FOR SECONDARY TRANSFORM WITH ADAPTIVE KERNEL OPTIONS Pending EP4397041A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163238635P 2021-08-30 2021-08-30
PCT/US2022/041913 WO2023034225A1 (en) 2021-08-30 2022-08-29 Method and apparatus for secondary transform with adaptive kernel options

Publications (2)

Publication Number Publication Date
EP4397041A1 EP4397041A1 (en) 2024-07-10
EP4397041A4 true EP4397041A4 (en) 2024-12-18

Family

ID=86820818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22865386.1A Pending EP4397041A4 (en) 2021-08-30 2022-08-29 METHOD AND APPARATUS FOR SECONDARY TRANSFORM WITH ADAPTIVE KERNEL OPTIONS

Country Status (2)

Country Link
EP (1) EP4397041A4 (en)
CN (1) CN116325750A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12239952B2 (en) * 2021-01-15 2025-03-04 Saudi Aramco Technologies Company Systems and methods for drying compounds

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170094314A1 (en) * 2015-09-29 2017-03-30 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
EP3588952A1 (en) * 2017-03-21 2020-01-01 LG Electronics Inc. -1- Transform method in image coding system and apparatus for same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020009434A1 (en) * 2018-07-02 2020-01-09 엘지전자 주식회사 Method and apparatus for processing video signal on basis of secondary transform
KR102452108B1 (en) * 2018-09-02 2022-10-07 엘지전자 주식회사 Method for encoding/decoding video signals and device therefor
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
GB2585030A (en) * 2019-06-25 2020-12-30 British Broadcasting Corp Method of signalling in a video codec

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170094314A1 (en) * 2015-09-29 2017-03-30 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
EP3588952A1 (en) * 2017-03-21 2020-01-01 LG Electronics Inc. -1- Transform method in image coding system and apparatus for same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ABE (PANASONIC) K ET AL: "CE6: AMT and NSST complexity reduction (CE6-3.3)", no. JVET-K0127, 2 July 2018 (2018-07-02), XP030198678, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/11_Ljubljana/wg11/JVET-K0127-v1.zip JVET-K0127.doc> [retrieved on 20180702] *
See also references of WO2023034225A1 *
ZHAO XIN ET AL: "Unified Secondary Transform for Intra Coding Beyond Av1", 2020 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP), IEEE, 25 October 2020 (2020-10-25), pages 3393 - 3397, XP033869355, DOI: 10.1109/ICIP40778.2020.9191190 *

Also Published As

Publication number Publication date
CN116325750A (en) 2023-06-23
EP4397041A1 (en) 2024-07-10

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