BR112021025719A2 - Parâmetro de quantização de delta de croma em codificação de vídeo - Google Patents

Parâmetro de quantização de delta de croma em codificação de vídeo

Info

Publication number
BR112021025719A2
BR112021025719A2 BR112021025719A BR112021025719A BR112021025719A2 BR 112021025719 A2 BR112021025719 A2 BR 112021025719A2 BR 112021025719 A BR112021025719 A BR 112021025719A BR 112021025719 A BR112021025719 A BR 112021025719A BR 112021025719 A2 BR112021025719 A2 BR 112021025719A2
Authority
BR
Brazil
Prior art keywords
chroma
luma
value
quantization parameter
delta
Prior art date
Application number
BR112021025719A
Other languages
English (en)
Portuguese (pt)
Inventor
Alican Nalci
Van Der Auwera Geert
Marta Karczewicz
Zeyd Coban Muhammed
Wei-Jung Chien
Yu Han
Yung-Hsuan Chao
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021025719A2 publication Critical patent/BR112021025719A2/pt

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
    • H04N19/90—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
    • H04N19/94—Vector 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
    • H04N19/102—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/17—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
    • H04N19/186—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
    • H04N19/169—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021025719A 2019-06-28 2020-06-26 Parâmetro de quantização de delta de croma em codificação de vídeo BR112021025719A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962868771P 2019-06-28 2019-06-28
US16/912,232 US11418787B2 (en) 2019-06-28 2020-06-25 Chroma delta QP in video coding
PCT/US2020/039823 WO2020264297A1 (en) 2019-06-28 2020-06-26 Chroma delta quantization parameter in video coding

Publications (1)

Publication Number Publication Date
BR112021025719A2 true BR112021025719A2 (pt) 2022-02-08

Family

ID=74044879

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025719A BR112021025719A2 (pt) 2019-06-28 2020-06-26 Parâmetro de quantização de delta de croma em codificação de vídeo

Country Status (8)

Country Link
US (1) US11418787B2 (https=)
EP (2) EP4593394A3 (https=)
JP (1) JP7574231B2 (https=)
KR (1) KR20220024116A (https=)
CN (1) CN113994706B (https=)
BR (1) BR112021025719A2 (https=)
TW (1) TWI902697B (https=)
WO (1) WO2020264297A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102655346B1 (ko) * 2019-08-22 2024-04-05 엘지전자 주식회사 크로마 양자화 파라미터를 사용하는 영상 디코딩 방법 및 그 장치
US12244805B2 (en) 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
CN117676167A (zh) * 2019-08-30 2024-03-08 北京字节跳动网络技术有限公司 帧内编解码中的子分割
US11303897B2 (en) * 2020-02-25 2022-04-12 Tencent America LLC Method and apparatus for signaling of chroma quantization parameters
US12382037B2 (en) * 2021-03-05 2025-08-05 Tencent America LLC Decoupled transform partitioning
WO2023055267A1 (en) * 2021-09-29 2023-04-06 Telefonaktiebolaget Lm Ericsson (Publ) Efficient transmission of decoding information

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9288500B2 (en) 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
US8792550B2 (en) 2011-08-04 2014-07-29 Qualcomm Incorporated Color/gray patch prevention for video coding
KR20130058524A (ko) 2011-11-25 2013-06-04 오수미 색차 인트라 예측 블록 생성 방법
US9451258B2 (en) 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US9591302B2 (en) 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
US9794575B2 (en) * 2013-12-18 2017-10-17 Magnum Semiconductor, Inc. Apparatuses and methods for optimizing rate-distortion costs in video encoding
US11146788B2 (en) * 2015-06-12 2021-10-12 Qualcomm Incorporated Grouping palette bypass bins for video coding
US10455228B2 (en) * 2016-03-21 2019-10-22 Qualcomm Incorporated Determining prediction parameters for non-square blocks in video coding
US10462459B2 (en) 2016-04-14 2019-10-29 Mediatek Inc. Non-local adaptive loop filter
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
WO2018016381A1 (en) 2016-07-22 2018-01-25 Sharp Kabushiki Kaisha Systems and methods for coding video data using adaptive component scaling
US10555006B2 (en) 2016-12-22 2020-02-04 Qualcomm Incorporated Deriving bilateral filter information based on a prediction mode in video coding
WO2020036132A1 (ja) 2018-08-15 2020-02-20 日本放送協会 画像符号化装置、画像復号装置、及びプログラム
PL3797517T3 (pl) 2018-08-30 2024-03-18 Huawei Technologies Co., Ltd. Koder, dekoder oraz odpowiednie sposoby wykorzystujące kodowanie palety
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

Also Published As

Publication number Publication date
EP4593394A2 (en) 2025-07-30
KR20220024116A (ko) 2022-03-03
CN113994706B (zh) 2025-06-24
WO2020264297A1 (en) 2020-12-30
EP4593394A3 (en) 2025-11-12
JP2022538225A (ja) 2022-09-01
TW202119820A (zh) 2021-05-16
EP3991414C0 (en) 2025-08-06
EP3991414B1 (en) 2025-08-06
CN113994706A (zh) 2022-01-28
US11418787B2 (en) 2022-08-16
JP7574231B2 (ja) 2024-10-28
EP3991414A1 (en) 2022-05-04
US20200413059A1 (en) 2020-12-31
TWI902697B (zh) 2025-11-01

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