PL4020986T3 - Sposób dekodowania obrazu z wykorzystaniem parametru kwantyzacji chroma, i służące do tego urządzenie - Google Patents

Sposób dekodowania obrazu z wykorzystaniem parametru kwantyzacji chroma, i służące do tego urządzenie

Info

Publication number
PL4020986T3
PL4020986T3 PL20854375.1T PL20854375T PL4020986T3 PL 4020986 T3 PL4020986 T3 PL 4020986T3 PL 20854375 T PL20854375 T PL 20854375T PL 4020986 T3 PL4020986 T3 PL 4020986T3
Authority
PL
Poland
Prior art keywords
decoding
image
device used
quantization parameter
chroma quantization
Prior art date
Application number
PL20854375.1T
Other languages
English (en)
Inventor
Jie Zhao
Seethal Paluri
Seunghwan Kim
Original Assignee
Lg Electronics 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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL4020986T3 publication Critical patent/PL4020986T3/pl

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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • 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
    • H04N19/18—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL20854375.1T 2019-08-22 2020-08-20 Sposób dekodowania obrazu z wykorzystaniem parametru kwantyzacji chroma, i służące do tego urządzenie PL4020986T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962890604P 2019-08-22 2019-08-22
PCT/KR2020/011085 WO2021034116A1 (ko) 2019-08-22 2020-08-20 크로마 양자화 파라미터를 사용하는 영상 디코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
PL4020986T3 true PL4020986T3 (pl) 2024-10-07

Family

ID=74660315

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20854375.1T PL4020986T3 (pl) 2019-08-22 2020-08-20 Sposób dekodowania obrazu z wykorzystaniem parametru kwantyzacji chroma, i służące do tego urządzenie

Country Status (13)

Country Link
US (2) US12445617B2 (pl)
EP (2) EP4407998A3 (pl)
JP (3) JP7318110B2 (pl)
KR (3) KR102655346B1 (pl)
CN (5) CN119211547A (pl)
ES (1) ES2986375T3 (pl)
FI (1) FI4020986T3 (pl)
HR (1) HRP20241095T1 (pl)
HU (1) HUE068168T2 (pl)
MX (5) MX2022002031A (pl)
PL (1) PL4020986T3 (pl)
SI (1) SI4020986T1 (pl)
WO (1) WO2021034116A1 (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113574879A (zh) * 2019-03-15 2021-10-29 三星电子株式会社 图像编码方法和装置、图像解码方法和装置
CN114424554B (zh) * 2019-09-23 2024-04-09 华为技术有限公司 色度qp偏移表指示和推导的方法和装置
JP7277354B2 (ja) * 2019-12-26 2023-05-18 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
CN119096542A (zh) * 2022-04-26 2024-12-06 联发科技股份有限公司 通过多条参考线进行交叉分量预测的线性模型推导

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US9363509B2 (en) * 2011-03-03 2016-06-07 Electronics And Telecommunications Research Institute Method for determining color difference component quantization parameter and device using the method
WO2013109838A1 (en) * 2012-01-20 2013-07-25 Sony Corporation Chroma quantization parameter extension
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
EP4366308A3 (en) * 2013-06-28 2024-07-10 Velos Media International Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US9294766B2 (en) * 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
WO2017143467A1 (en) 2016-02-22 2017-08-31 Mediatek Singapore Pte. Ltd. Localized luma mode prediction inheritance for chroma coding
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
US10448056B2 (en) * 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
US20200036985A1 (en) * 2016-09-30 2020-01-30 Lg Electronics Inc. Method and apparatus for block partitioning and intra prediction in image coding system
WO2019148977A1 (en) * 2018-02-01 2019-08-08 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
JP7343573B2 (ja) * 2018-09-21 2023-09-12 華為技術有限公司 逆量子化のための装置及び方法
CN114615506B (zh) * 2019-06-13 2023-07-04 北京达佳互联信息技术有限公司 视频解码方法、计算设备、存储介质
EP3987800A4 (en) * 2019-06-24 2023-03-29 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR PERFORMING INTRA PREDICTION CODING IN VIDEO CODING
US11418787B2 (en) * 2019-06-28 2022-08-16 Qualcomm Incorporated Chroma delta QP in video coding
US11381819B2 (en) * 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
EP4020987A4 (en) * 2019-08-22 2023-08-23 LG Electronics Inc. IMAGE DECODING METHOD AND APPARATUS FOR ENCODING INFORMATION RELATING TO CHROMA QUANTIZATION PARAMETER OFFSET
KR102727878B1 (ko) * 2019-08-22 2024-11-07 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Also Published As

Publication number Publication date
JP7590507B2 (ja) 2024-11-26
JP7318110B2 (ja) 2023-07-31
KR20240161208A (ko) 2024-11-12
JP2022543596A (ja) 2022-10-13
EP4020986A4 (en) 2023-05-31
EP4407998A3 (en) 2024-09-25
EP4407998A2 (en) 2024-07-31
MX2025003680A (es) 2025-05-02
US20220264098A1 (en) 2022-08-18
KR20220019268A (ko) 2022-02-16
CN114270840A (zh) 2022-04-01
HUE068168T2 (hu) 2024-12-28
EP4020986A1 (en) 2022-06-29
MX2022002031A (es) 2022-03-11
MX2025003671A (es) 2025-05-02
US20260012606A1 (en) 2026-01-08
KR102655346B1 (ko) 2024-04-05
KR20240044547A (ko) 2024-04-04
FI4020986T3 (fi) 2024-08-30
CN119211545A (zh) 2024-12-27
US12445617B2 (en) 2025-10-14
SI4020986T1 (sl) 2024-10-30
CN119211546A (zh) 2024-12-27
EP4020986B1 (en) 2024-07-24
CN114270840B (zh) 2024-11-05
CN119182909A (zh) 2024-12-24
HRP20241095T1 (hr) 2024-12-06
JP2023126571A (ja) 2023-09-07
WO2021034116A1 (ko) 2021-02-25
JP2025015621A (ja) 2025-01-30
MX2025003670A (es) 2025-05-02
KR102724946B1 (ko) 2024-10-31
CN119211547A (zh) 2024-12-27
ES2986375T3 (es) 2024-11-11
MX2025003677A (es) 2025-05-02

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