JP7574231B2 - ビデオコーディングにおけるクロマデルタ量子化パラメータ - Google Patents

ビデオコーディングにおけるクロマデルタ量子化パラメータ Download PDF

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JP7574231B2
JP7574231B2 JP2021576338A JP2021576338A JP7574231B2 JP 7574231 B2 JP7574231 B2 JP 7574231B2 JP 2021576338 A JP2021576338 A JP 2021576338A JP 2021576338 A JP2021576338 A JP 2021576338A JP 7574231 B2 JP7574231 B2 JP 7574231B2
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chroma
value
luma
coding unit
delta
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JPWO2020264297A5 (https=
JP2022538225A5 (https=
JP2022538225A (ja
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ハン、ユ
ファン・デル・オーウェラ、ゲールト
コバン、ムハンメド・ゼイド
チェン、ウェイ－ジュン
チャオ、ユン－シュアン
ナルシー、アリカン
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/90—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
    • H04N19/124—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
    • H04N19/102—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021576338A 2019-06-28 2020-06-26 ビデオコーディングにおけるクロマデルタ量子化パラメータ Active JP7574231B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962868771P 2019-06-28 2019-06-28
US62/868,771 2019-06-28
US16/912,232 2020-06-25
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

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JP2022538225A JP2022538225A (ja) 2022-09-01
JPWO2020264297A5 JPWO2020264297A5 (https=) 2023-06-05
JP2022538225A5 JP2022538225A5 (https=) 2023-06-05
JP7574231B2 true JP7574231B2 (ja) 2024-10-28

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US (1) US11418787B2 (https=)
EP (2) EP3991414B1 (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=)

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Publication number Priority date Publication date Assignee Title
CN119182909A (zh) * 2019-08-22 2024-12-24 Lg 电子株式会社 使用色度量化参数的图像解码方法及其装置
US12244805B2 (en) 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
WO2021037258A1 (en) * 2019-08-30 2021-03-04 Beijing Bytedance Network Technology Co., Ltd. Sub-partitioning in intra coding
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
EP4409900A4 (en) * 2021-09-29 2024-12-25 Telefonaktiebolaget LM Ericsson (publ) Efficient transmission of decoding information

Citations (2)

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WO2018013706A1 (en) 2016-07-15 2018-01-18 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
JP2022500943A (ja) 2018-09-21 2022-01-04 華為技術有限公司Huawei Technologies Co., Ltd. 逆量子化のための装置及び方法

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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
US10567759B2 (en) * 2016-03-21 2020-02-18 Qualcomm Incorporated Using luma information for chroma prediction with separate luma-chroma framework 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
CN109479133B (zh) 2016-07-22 2021-07-16 夏普株式会社 使用自适应分量缩放对视频数据进行编码的系统和方法
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
JP7225375B2 (ja) 2018-08-30 2023-02-20 華為技術有限公司 パレット符号化を使用するエンコード装置、デコード装置および対応する方法

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WO2018013706A1 (en) 2016-07-15 2018-01-18 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
JP2019525585A (ja) 2016-07-15 2019-09-05 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 四分木だけで区分化されないビデオコーディングにおける量子化情報のシグナリング
JP2022500943A (ja) 2018-09-21 2022-01-04 華為技術有限公司Huawei Technologies Co., Ltd. 逆量子化のための装置及び方法

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US11418787B2 (en) 2022-08-16
EP3991414B1 (en) 2025-08-06
EP3991414C0 (en) 2025-08-06
CN113994706B (zh) 2025-06-24
US20200413059A1 (en) 2020-12-31
EP4593394A2 (en) 2025-07-30
TW202119820A (zh) 2021-05-16
WO2020264297A1 (en) 2020-12-30
EP4593394A3 (en) 2025-11-12
JP2022538225A (ja) 2022-09-01
CN113994706A (zh) 2022-01-28
TWI902697B (zh) 2025-11-01
EP3991414A1 (en) 2022-05-04
BR112021025719A2 (pt) 2022-02-08
KR20220024116A (ko) 2022-03-03

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