KR20220143895A - 변환 파티셔닝과 1차/2차 변환 유형 선택 사이의 상호작용 - Google Patents

변환 파티셔닝과 1차/2차 변환 유형 선택 사이의 상호작용 Download PDF

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KR20220143895A
KR20220143895A KR1020227032198A KR20227032198A KR20220143895A KR 20220143895 A KR20220143895 A KR 20220143895A KR 1020227032198 A KR1020227032198 A KR 1020227032198A KR 20227032198 A KR20227032198 A KR 20227032198A KR 20220143895 A KR20220143895 A KR 20220143895A
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South Korea
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transform
type
block
predefined
partition
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Korean (ko)
Inventor
마두 페링어서리 크리쉬난
신 자오
산 류
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텐센트 아메리카 엘엘씨
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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
    • H04N19/44—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
    • H04N19/60—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
    • H04N19/10—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
    • 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
    • H04N19/60—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]

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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)
KR1020227032198A 2021-04-16 2022-01-28 변환 파티셔닝과 1차/2차 변환 유형 선택 사이의 상호작용 Pending KR20220143895A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163175897P 2021-04-16 2021-04-16
US63/175,897 2021-04-16
US17/568,275 2022-01-04
US17/568,275 US12309405B2 (en) 2021-04-16 2022-01-04 Interaction between transform partitioning and primary/secondary transform type selection
PCT/US2022/014248 WO2022220904A1 (en) 2021-04-16 2022-01-28 Interaction between transform partitioning and primary/secondary transform type selection

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Publication Number Publication Date
KR20220143895A true KR20220143895A (ko) 2022-10-25

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Country Status (6)

Country Link
US (2) US12309405B2 (https=)
EP (1) EP4107953A4 (https=)
JP (3) JP7617942B2 (https=)
KR (1) KR20220143895A (https=)
CN (2) CN120151524A (https=)
WO (1) WO2022220904A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102765982B1 (ko) * 2018-09-02 2025-02-07 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US12526410B2 (en) * 2024-03-21 2026-01-13 Tencent America LLC Systems and methods for recursive inter region partitioning

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10681379B2 (en) 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
US10212444B2 (en) * 2016-01-15 2019-02-19 Qualcomm Incorporated Multi-type-tree framework for video coding
WO2018135885A1 (ko) 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
KR20180085526A (ko) 2017-01-19 2018-07-27 가온미디어 주식회사 효율적 변환을 처리하는 영상 복호화 및 부호화 방법
WO2019076138A1 (en) * 2017-10-16 2019-04-25 Huawei Technologies Co., Ltd. Encoding method and apparatus
US10735730B2 (en) 2018-03-07 2020-08-04 Tencent America LLC Flexible tree structure
WO2019194515A1 (ko) 2018-04-01 2019-10-10 엘지전자 주식회사 영상의 처리 방법 및 이를 위한 장치
US10674152B2 (en) * 2018-09-18 2020-06-02 Google Llc Efficient use of quantization parameters in machine-learning models for video coding
US10893286B2 (en) * 2018-10-09 2021-01-12 Tencent America LLC Methods and apparatus for low-complexity MTS
US20200162736A1 (en) * 2018-11-15 2020-05-21 Electronics And Telecommunications Research Institute Method and apparatus for image processing using quantization parameter
EP3881546A4 (en) 2018-12-04 2022-01-26 Huawei Technologies Co., Ltd. VIDEO ENCODER, VIDEO DECODER, AND CORRESPONDING METHOD
US11595663B2 (en) 2019-02-01 2023-02-28 Qualcomm Incorporated Secondary transform designs for partitioned transform units in video coding

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Publication number Publication date
JP2024167191A (ja) 2024-12-03
JP2026012669A (ja) 2026-01-27
US20250274597A1 (en) 2025-08-28
US20220337854A1 (en) 2022-10-20
EP4107953A1 (en) 2022-12-28
CN120151524A (zh) 2025-06-13
WO2022220904A1 (en) 2022-10-20
US12309405B2 (en) 2025-05-20
CN115552902B (zh) 2025-03-25
CN115552902A (zh) 2022-12-30
JP2023525214A (ja) 2023-06-15
JP7746478B2 (ja) 2025-09-30
EP4107953A4 (en) 2023-03-15
JP7617942B2 (ja) 2025-01-20

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