KR20230002323A - 비디오 코딩을 위한 적응적 스케일링 리스트 제어 - Google Patents

비디오 코딩을 위한 적응적 스케일링 리스트 제어 Download PDF

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Publication number
KR20230002323A
KR20230002323A KR1020227032483A KR20227032483A KR20230002323A KR 20230002323 A KR20230002323 A KR 20230002323A KR 1020227032483 A KR1020227032483 A KR 1020227032483A KR 20227032483 A KR20227032483 A KR 20227032483A KR 20230002323 A KR20230002323 A KR 20230002323A
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South Korea
Prior art keywords
block
block types
scaling list
explicitly defined
video
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KR1020227032483A
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English (en)
Korean (ko)
Inventor
웨이-정 치엔
한 황
윙-솬 차오
지안레 천
마르타 카르체비츠
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퀄컴 인코포레이티드
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Publication of KR20230002323A publication Critical patent/KR20230002323A/ko
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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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/169—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
    • H04N19/186—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 colour or a chrominance component
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227032483A 2020-04-20 2021-04-09 비디오 코딩을 위한 적응적 스케일링 리스트 제어 Pending KR20230002323A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063012794P 2020-04-20 2020-04-20
US63/012,794 2020-04-20
US17/225,643 2021-04-08
US17/225,643 US11425400B2 (en) 2020-04-20 2021-04-08 Adaptive scaling list control for video coding
PCT/US2021/026578 WO2021216303A1 (en) 2020-04-20 2021-04-09 Adaptive scaling list control for video coding

Publications (1)

Publication Number Publication Date
KR20230002323A true KR20230002323A (ko) 2023-01-05

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KR1020227032483A Pending KR20230002323A (ko) 2020-04-20 2021-04-09 비디오 코딩을 위한 적응적 스케일링 리스트 제어

Country Status (9)

Country Link
US (1) US11425400B2 (https=)
EP (1) EP4140132A1 (https=)
JP (1) JP7685519B2 (https=)
KR (1) KR20230002323A (https=)
CN (1) CN115428450B (https=)
BR (1) BR112022020509A2 (https=)
PH (1) PH12022552242A1 (https=)
TW (1) TWI883177B (https=)
WO (1) WO2021216303A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102951865B1 (ko) * 2018-12-26 2026-04-14 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2021215454A1 (ja) 2020-04-22 2021-10-28 日本放送協会 符号化装置、復号装置、及びプログラム
US20240283959A1 (en) * 2023-02-16 2024-08-22 Tencent America LLC Extended quantizer with finer step size

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140098851A1 (en) * 2012-10-04 2014-04-10 Qualcomm Incorporated Indication of video properties
US11153576B2 (en) * 2019-09-20 2021-10-19 Qualcomm Incorporated Scaling matrices and signaling for video coding
JPWO2021206137A1 (https=) 2020-04-08 2021-10-14
TW202143716A (zh) * 2020-04-14 2021-11-16 法商內數位Ｖｃ控股法國公司 對可適性色彩轉換及色度聯合編碼之尺度清單控制

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Publication number Publication date
US20210329275A1 (en) 2021-10-21
US11425400B2 (en) 2022-08-23
EP4140132A1 (en) 2023-03-01
CN115428450A (zh) 2022-12-02
JP7685519B2 (ja) 2025-05-29
JP2023521699A (ja) 2023-05-25
PH12022552242A1 (en) 2024-02-12
BR112022020509A2 (pt) 2022-12-06
CN115428450B (zh) 2025-10-31
TW202147855A (zh) 2021-12-16
TWI883177B (zh) 2025-05-11
WO2021216303A1 (en) 2021-10-28

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