AU2021206074B2 - Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter - Google Patents

Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter

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Publication number
AU2021206074B2
AU2021206074B2 AU2021206074A AU2021206074A AU2021206074B2 AU 2021206074 B2 AU2021206074 B2 AU 2021206074B2 AU 2021206074 A AU2021206074 A AU 2021206074A AU 2021206074 A AU2021206074 A AU 2021206074A AU 2021206074 B2 AU2021206074 B2 AU 2021206074B2
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Australia
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coding unit
coding
split
current
picture
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AU2021206074A
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AU2021206074A1 (en
Inventor
Kiho Choi
Chanyul KIM
Minsoo Park
Minwoo Park
Yinji Piao
Yumi SOHN
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Samsung Electronics Co Ltd
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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)
AU2021206074A 2020-01-10 2021-01-08 Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter Active AU2021206074B2 (en)

Priority Applications (1)

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AU2026201437A AU2026201437A1 (en) 2020-01-10 2026-02-26 Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter

Applications Claiming Priority (3)

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US202062959452P 2020-01-10 2020-01-10
US62/959,452 2020-01-10
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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AU2021206074A1 AU2021206074A1 (en) 2022-08-18
AU2021206074B2 true AU2021206074B2 (en) 2025-12-11

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AU2026201437A Pending AU2026201437A1 (en) 2020-01-10 2026-02-26 Video decoding method and apparatus for obtaining quantization parameter, and video encoding method and apparatus for transmitting quantization parameter

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EP (1) EP4090020A4 (enExample)
JP (2) JP7684311B2 (enExample)
KR (4) KR102304703B1 (enExample)
CN (5) CN121367777A (enExample)
AU (2) AU2021206074B2 (enExample)
BR (1) BR112022013662A2 (enExample)
CA (1) CA3164388A1 (enExample)
IL (2) IL319319A (enExample)
MX (5) MX2022008502A (enExample)
NZ (1) NZ791006A (enExample)
WO (1) WO2021141451A1 (enExample)

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CA3121922C (en) * 2019-01-10 2023-10-03 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for picture decoding, decoder, and computer storage medium
CN113906758B (zh) 2019-05-31 2025-06-20 字节跳动有限公司 调色板模式与帧内块复制预测
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
JP7451731B2 (ja) * 2020-02-05 2024-03-18 北京字節跳動網絡技術有限公司 クロマ成分のためのデブロッキングパラメータ
AR121124A1 (es) 2020-02-29 2022-04-20 Beijing Bytedance Network Tech Co Ltd Señalización condicional de elementos de sintaxis en una cabecera de imagen
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
CN121309831A (zh) * 2020-04-03 2026-01-09 北京大学 一种视频编码、解码方法、设备及存储介质

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Also Published As

Publication number Publication date
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
JP7684311B2 (ja) 2025-05-27
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
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
KR102304703B1 (ko) 2021-09-28

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