CN115428450B - 用于视频译码的自适应缩放列表控制 - Google Patents

用于视频译码的自适应缩放列表控制

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Publication number
CN115428450B
CN115428450B CN202180028310.2A CN202180028310A CN115428450B CN 115428450 B CN115428450 B CN 115428450B CN 202180028310 A CN202180028310 A CN 202180028310A CN 115428450 B CN115428450 B CN 115428450B
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China
Prior art keywords
block
video
scaling list
explicitly defined
blocks
Prior art date
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Active
Application number
CN202180028310.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN115428450A (zh
Inventor
W-J.钱
H.黄
Y-H.赵
J.陈
M.卡尔切维茨
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN115428450A publication Critical patent/CN115428450A/zh
Application granted granted Critical
Publication of CN115428450B publication Critical patent/CN115428450B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N19/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202180028310.2A 2020-04-20 2021-04-09 用于视频译码的自适应缩放列表控制 Active CN115428450B (zh)

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 (2)

Publication Number Publication Date
CN115428450A CN115428450A (zh) 2022-12-02
CN115428450B true CN115428450B (zh) 2025-10-31

Family

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Application Number Title Priority Date Filing Date
CN202180028310.2A Active CN115428450B (zh) 2020-04-20 2021-04-09 用于视频译码的自适应缩放列表控制

Country Status (9)

Country Link
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

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 (enExample) 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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Scaling list for adaptive colour transform;Shunsuke Iwamura等;Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11- JVET-R0380-v3;20200415;第2-4页 *
Versatile Video Coding (Draft 9);Benjamin Bross等;Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11- JVET-R2001-vB;20200620;第112页 *

Also Published As

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
KR20230002323A (ko) 2023-01-05
JP2023521699A (ja) 2023-05-25
PH12022552242A1 (en) 2024-02-12
BR112022020509A2 (pt) 2022-12-06
TW202147855A (zh) 2021-12-16
TWI883177B (zh) 2025-05-11
WO2021216303A1 (en) 2021-10-28

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