JP7684311B2 - 量子化パラメータを獲得するためのビデオ復号方法及びその装置、量子化パラメータを伝送するためのビデオ符号化方法及びその装置 - Google Patents

量子化パラメータを獲得するためのビデオ復号方法及びその装置、量子化パラメータを伝送するためのビデオ符号化方法及びその装置 Download PDF

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JP7684311B2
JP7684311B2 JP2022542286A JP2022542286A JP7684311B2 JP 7684311 B2 JP7684311 B2 JP 7684311B2 JP 2022542286 A JP2022542286 A JP 2022542286A JP 2022542286 A JP2022542286 A JP 2022542286A JP 7684311 B2 JP7684311 B2 JP 7684311B2
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picture
current
slice
video decoding
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JP2023510535A (ja
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パク，ミンウ
パク，ミンス
チェー，キホ
ピョ，インジ
キム，チャンヨル
ソン，ユミ
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Samsung Electronics Co Ltd
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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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/60—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
    • H04N19/70—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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP2022542286A 2020-01-10 2021-01-08 量子化パラメータを獲得するためのビデオ復号方法及びその装置、量子化パラメータを伝送するためのビデオ符号化方法及びその装置 Active JP7684311B2 (ja)

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PCT/KR2021/000275 WO2021141451A1 (ko) 2020-01-10 2021-01-08 양자화 파라미터를 획득하기 위한 비디오 복호화 방법 및 장치, 양자화 파라미터를 전송하기 위한 비디오 부호화 방법 및 장치

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KR102612765B1 (ko) 2019-06-28 2023-12-13 바이트댄스 아이엔씨 변환 스킵 모드에서 양자화 파라미터를 수정하는 기술
KR102819451B1 (ko) 2020-02-05 2025-06-13 두인 비전 컴퍼니 리미티드 로컬 이중 트리용 팔레트 모드
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WO2021194229A1 (ko) * 2020-03-23 2021-09-30 엘지전자 주식회사 비디오 또는 이미지 코딩 시스템에서 디블록킹 필터 파라미터 정보를 시그널링하는 방법
EP4131971A4 (en) * 2020-04-02 2024-04-17 LG Electronics, Inc. Image coding method based on chroma deblocking parameter information for monochrome color format in video or image coding system
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EP4090020A1 (en) 2022-11-16
IL294576B1 (en) 2025-05-01
US20260012600A1 (en) 2026-01-08
US12382044B2 (en) 2025-08-05
KR102657549B1 (ko) 2024-04-15
CN115280773A (zh) 2022-11-01
WO2021141451A1 (ko) 2021-07-15
CN121397216A (zh) 2026-01-23
EP4090020A4 (en) 2024-01-17
CN121486569A (zh) 2026-02-06
CN121509653A (zh) 2026-02-10
IL294576B2 (en) 2025-09-01
AU2021206074A1 (en) 2022-08-18
AU2026201437A1 (en) 2026-03-19
KR20210090559A (ko) 2021-07-20
MX2025012585A (es) 2025-11-03
MX2025012582A (es) 2025-11-03
KR20240052922A (ko) 2024-04-23
AU2021206074B2 (en) 2025-12-11
MX2022008502A (es) 2022-08-08
MX2025009630A (es) 2025-09-02
KR102304703B9 (ko) 2022-05-02
IL319319A (en) 2025-05-01
IL294576A (en) 2022-09-01
US20220368909A1 (en) 2022-11-17
JP2025107485A (ja) 2025-07-17
BR112022013662A2 (pt) 2022-09-13
MX2025012583A (es) 2025-11-03
KR20250021501A (ko) 2025-02-13
CN115280773B (zh) 2025-10-03
CA3164388A1 (en) 2021-07-15
NZ791006A (en) 2025-11-28
KR20210118377A (ko) 2021-09-30
CN121367777A (zh) 2026-01-20
JP2023510535A (ja) 2023-03-14
KR102817086B1 (ko) 2025-06-05
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