CA3164388A1 - 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 Download PDF

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Publication number
CA3164388A1
CA3164388A1 CA3164388A CA3164388A CA3164388A1 CA 3164388 A1 CA3164388 A1 CA 3164388A1 CA 3164388 A CA3164388 A CA 3164388A CA 3164388 A CA3164388 A CA 3164388A CA 3164388 A1 CA3164388 A1 CA 3164388A1
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Canada
Prior art keywords
coding unit
picture
current
difference value
split
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Pending
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CA3164388A
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English (en)
French (fr)
Inventor
Minwoo Park
Minsoo Park
Kiho Choi
Yinji Piao
Chanyul KIM
Yumi SOHN
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.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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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=CA3164388(A1) "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 CA3164388A1 publication Critical patent/CA3164388A1/en
Pending legal-status Critical Current

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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
    • H04N19/10—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)
CA3164388A 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 Pending CA3164388A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
CA3164388A1 true CA3164388A1 (en) 2021-07-15

Family

ID=76788193

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3164388A Pending CA3164388A1 (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 (11)

Country Link
US (2) US12382044B2 (enExample)
EP (1) EP4090020A4 (enExample)
JP (2) JP7684311B2 (enExample)
KR (4) KR102304703B1 (enExample)
CN (5) CN115280773B (enExample)
AU (2) AU2021206074B2 (enExample)
BR (1) BR112022013662A2 (enExample)
CA (1) CA3164388A1 (enExample)
IL (3) IL330431A (enExample)
MX (5) MX429024B (enExample)
WO (1) WO2021141451A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230071429A1 (en) * 2020-02-29 2023-03-09 Beijing Bytedance Network Technology Co., Ltd. Conditional Signaling Of Syntax Elements In A Picture Header

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020143114A1 (zh) * 2019-01-10 2020-07-16 Oppo广东移动通信有限公司 图像解码方法、解码器及计算机存储介质
EP3954125A4 (en) 2019-05-31 2022-06-22 ByteDance Inc. PALETTE MODE WITH INTRA BLOCK COPY PREDICTION
EP3970369A4 (en) 2019-06-28 2022-07-20 ByteDance Inc. TECHNIQUES FOR MODIFYING A QUANTIZE PARAMETER IN A TRANSFORM JUMP MODE
EP4088456A4 (en) 2020-02-05 2023-06-21 Beijing Bytedance Network Technology Co., Ltd. PALETTE MODE FOR A LOCAL DUAL TREE
EP4088464A4 (en) * 2020-02-05 2023-06-07 Beijing Bytedance Network Technology Co., Ltd. DEBLOCKING PARAMETERS FOR A CHROMA COMPONENT
KR20260027271A (ko) * 2020-03-23 2026-02-27 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
EP4131970A4 (en) * 2020-04-03 2023-03-29 Peking University VIDEO ENCODING AND DECODING METHOD AND DEVICE AND STORAGE MEDIA

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3675493A1 (en) 2010-06-04 2020-07-01 Sony Corporation Image processing apparatus and method
US20120114034A1 (en) * 2010-11-08 2012-05-10 Mediatek Inc. Method and Apparatus of Delta Quantization Parameter Processing for High Efficiency Video Coding
EP2678944B1 (en) 2011-02-25 2019-11-06 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
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
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
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
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
TWI613909B (zh) * 2012-01-30 2018-02-01 三星電子股份有限公司 視訊解碼方法
US9521410B2 (en) 2012-04-26 2016-12-13 Qualcomm Incorporated Quantization parameter (QP) coding in video coding
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9510002B2 (en) 2013-09-09 2016-11-29 Apple Inc. Chroma quantization in video coding
CN108271024B (zh) 2013-12-28 2021-10-26 同济大学 图像编码、解码方法及装置
CN109196862B (zh) 2016-05-28 2021-01-22 联发科技股份有限公司 视频数据处理方法、装置及相应可读存储介质
CN115052143B (zh) * 2016-08-01 2025-05-23 韩国电子通信研究院 图像编码/解码方法
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
WO2021086020A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 색공간 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230071429A1 (en) * 2020-02-29 2023-03-09 Beijing Bytedance Network Technology Co., Ltd. Conditional Signaling Of Syntax Elements In A Picture Header
US12034975B2 (en) * 2020-02-29 2024-07-09 Beijing Bytedance Network Technology Co., Ltd. Conditional signaling of syntax elements in a picture header
US12316878B2 (en) 2020-02-29 2025-05-27 Beijing Bytedance Network Technology Co., Ltd. Reference picture information signaling in a video bitstream

Also Published As

Publication number Publication date
NZ791006A (en) 2025-11-28
JP2025107485A (ja) 2025-07-17
KR20240052922A (ko) 2024-04-23
CN121367777A (zh) 2026-01-20
CN121509653A (zh) 2026-02-10
CN121486569A (zh) 2026-02-06
KR102304703B1 (ko) 2021-09-28
BR112022013662A2 (pt) 2022-09-13
US20260012600A1 (en) 2026-01-08
MX2025012582A (es) 2025-11-03
MX2022008502A (es) 2022-08-08
KR20210090559A (ko) 2021-07-20
AU2026201437A1 (en) 2026-03-19
KR20250021501A (ko) 2025-02-13
CN115280773B (zh) 2025-10-03
JP2023510535A (ja) 2023-03-14
CN121397216A (zh) 2026-01-23
IL294576A (en) 2022-09-01
MX2025012583A (es) 2025-11-03
MX429024B (es) 2025-11-13
US20220368909A1 (en) 2022-11-17
EP4090020A4 (en) 2024-01-17
KR102304703B9 (ko) 2022-05-02
AU2021206074B2 (en) 2025-12-11
MX2025009630A (es) 2025-09-02
IL294576B1 (en) 2025-05-01
KR20210118377A (ko) 2021-09-30
IL294576B2 (en) 2025-09-01
WO2021141451A1 (ko) 2021-07-15
IL319319A (en) 2025-05-01
MX2025012585A (es) 2025-11-03
IL330431A (en) 2026-08-01
US12382044B2 (en) 2025-08-05
KR102817086B1 (ko) 2025-06-05
EP4090020A1 (en) 2022-11-16
CN115280773A (zh) 2022-11-01
JP7684311B2 (ja) 2025-05-27
KR102657549B1 (ko) 2024-04-15
AU2021206074A1 (en) 2022-08-18

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