NZ791006A - 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

Info

Publication number
NZ791006A
NZ791006A NZ791006A NZ79100621A NZ791006A NZ 791006 A NZ791006 A NZ 791006A NZ 791006 A NZ791006 A NZ 791006A NZ 79100621 A NZ79100621 A NZ 79100621A NZ 791006 A NZ791006 A NZ 791006A
Authority
NZ
New Zealand
Prior art keywords
quantization parameter
obtaining
picture
difference value
decoding method
Prior art date
Application number
NZ791006A
Other languages
English (en)
Inventor
Minwoo Park
Minsoo Park
Kiho Choi
Yinji Piao
Chanyul KIM
Yumi Sohn
Original Assignee
Samsung Electronics Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=76788193&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NZ791006(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NZ791006A publication Critical patent/NZ791006A/en

Links

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
    • H04N19/10—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

Landscapes

  • 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)
NZ791006A 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 NZ791006A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062959452P 2020-01-10 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

Publications (1)

Publication Number Publication Date
NZ791006A true NZ791006A (en) 2025-11-28

Family

ID=76788193

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ791006A NZ791006A (en) 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

Country Status (12)

Country Link
US (2) US12382044B2 (enExample)
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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JP2009540666A (ja) 2006-11-09 2009-11-19 エルジー エレクトロニクス インコーポレイティド ビデオ信号のデコーディング／エンコーディング方法及び装置
CN101888555B (zh) * 2006-11-17 2013-04-03 Lg电子株式会社 用于解码/编码视频信号的方法及装置
US20110274162A1 (en) 2010-05-04 2011-11-10 Minhua Zhou Coding Unit Quantization Parameters in Video Coding
BR112012030158B1 (pt) 2010-06-04 2021-10-05 Sony Corporation Aparelho e método de processamento de imagem
US20120114034A1 (en) * 2010-11-08 2012-05-10 Mediatek Inc. Method and Apparatus of Delta Quantization Parameter Processing for High Efficiency Video Coding
CA2828013C (en) 2011-02-25 2016-07-26 Blackberry Limited Methods and devices for data compression using offset-based adaptive reconstruction levels
US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
JP5907367B2 (ja) 2011-06-28 2016-04-26 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
JP2013034161A (ja) * 2011-06-28 2013-02-14 Sharp Corp 画像復号装置、画像符号化装置、および符号化データのデータ構造
EP2713612A4 (en) * 2011-06-28 2014-11-26 Samsung Electronics Co Ltd PROCESS AND DEVICE FOR IMAGE CODING AND DECODING USING ADAPTIVE QUANTIZATION PARAMETER DIFFERENTIALS
US11496760B2 (en) * 2011-07-22 2022-11-08 Qualcomm Incorporated Slice header prediction for depth maps in three-dimensional video codecs
KR20130034566A (ko) 2011-09-28 2013-04-05 한국전자통신연구원 제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
SI2811745T1 (sl) 2012-01-30 2018-12-31 Samsung Electronics Co., Ltd Postopek in naprava za kodiranje in dekodiranje videa na podlagi hierarhičnih podatkov, ki vsebuje napovedovanje kvantizacijskega parametra
US9521410B2 (en) 2012-04-26 2016-12-13 Qualcomm Incorporated Quantization parameter (QP) coding in video coding
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CN108271024B (zh) 2013-12-28 2021-10-26 同济大学 图像编码、解码方法及装置
CN112689147B (zh) 2016-05-28 2023-10-13 寰发股份有限公司 视频数据处理方法以及装置
KR102321394B1 (ko) * 2016-08-01 2021-11-03 한국전자통신연구원 영상 부호화/복호화 방법
WO2018066989A1 (ko) * 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
WO2018143289A1 (ja) * 2017-02-02 2018-08-09 シャープ株式会社 画像符号化装置及び画像復号装置
US10827173B2 (en) 2017-11-13 2020-11-03 Electronics And Telecommunications Research Institute Method and apparatus for quantization
KR102242675B1 (ko) * 2017-11-13 2021-04-22 한국전자통신연구원 양자화 방법 및 장치
KR102390733B1 (ko) * 2018-06-11 2022-04-25 한화테크윈 주식회사 양자화 파라미터 기반의 잔차 블록 부호화/복호화 방법 및 장치
HUE072798T2 (hu) * 2019-10-28 2025-12-28 Lg Electronics Inc Eljárás kép kódolására/dekódolására színtér konverzió alkalmazásával, és eljárás bitfolyam átvitelére

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
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
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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