JP7685519B2 - ビデオコーディングのための適応スケーリングリスト制御 - Google Patents

ビデオコーディングのための適応スケーリングリスト制御 Download PDF

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JP7685519B2
JP7685519B2 JP2022560959A JP2022560959A JP7685519B2 JP 7685519 B2 JP7685519 B2 JP 7685519B2 JP 2022560959 A JP2022560959 A JP 2022560959A JP 2022560959 A JP2022560959 A JP 2022560959A JP 7685519 B2 JP7685519 B2 JP 7685519B2
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video
block
scaling list
coded
blocks
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JP2023521699A5 (enExample
JP2023521699A (ja
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ウェイ－ジュン・チエン
ハン・フアン
ユン－シュアン・チャオ
ジエンレ・チェン
マルタ・カルチェヴィッチ
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クアルコム，インコーポレイテッド
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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)
JP2022560959A 2020-04-20 2021-04-09 ビデオコーディングのための適応スケーリングリスト制御 Active JP7685519B2 (ja)

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 (3)

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JP2023521699A JP2023521699A (ja) 2023-05-25
JP2023521699A5 JP2023521699A5 (enExample) 2024-04-05
JP7685519B2 true JP7685519B2 (ja) 2025-05-29

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

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206137A1 (ja) 2020-04-08 2021-10-14 日本放送協会 符号化装置、復号装置、及びプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021206137A1 (ja) 2020-04-08 2021-10-14 日本放送協会 符号化装置、復号装置、及びプログラム
US20220217348A1 (en) 2020-04-08 2022-07-07 Nippon Hoso Kyokai Encoding device, decoding device and program

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US20210329275A1 (en) 2021-10-21
US11425400B2 (en) 2022-08-23
EP4140132A1 (en) 2023-03-01
CN115428450A (zh) 2022-12-02
KR20230002323A (ko) 2023-01-05
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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