JP2019525585A - 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 - Google Patents

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 Download PDF

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JP2019525585A
JP2019525585A JP2019501618A JP2019501618A JP2019525585A JP 2019525585 A JP2019525585 A JP 2019525585A JP 2019501618 A JP2019501618 A JP 2019501618A JP 2019501618 A JP2019501618 A JP 2019501618A JP 2019525585 A JP2019525585 A JP 2019525585A
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quantization
luma
current
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リ、シャン
チェン、ジャンレ
ジョーシー、ラジャン・ラクスマン
セレジン、バディム
カルチェビチ、マルタ
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2019501618A 2016-07-15 2017-07-12 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 Pending JP2019525585A (ja)

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US201662363000P 2016-07-15 2016-07-15
US62/363,000 2016-07-15
US15/646,959 2017-07-11
US15/646,959 US10448056B2 (en) 2016-07-15 2017-07-11 Signaling of quantization information in non-quadtree-only partitioned video coding
PCT/US2017/041739 WO2018013706A1 (en) 2016-07-15 2017-07-12 Signaling of quantization information in non-quadtree-only partitioned video coding

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CN (1) CN109479140B (https=)
BR (1) BR112019000319A2 (https=)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022538225A (ja) * 2019-06-28 2022-09-01 クゥアルコム・インコーポレイテッド 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

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017203930A1 (en) * 2016-05-27 2017-11-30 Sharp Kabushiki Kaisha Systems and methods for varying quantization parameters
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
US20190327476A1 (en) * 2016-06-24 2019-10-24 Industry Academy Cooperation Foundation Of Sejong University Video signal processing method and device
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
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
US10779004B2 (en) 2016-10-12 2020-09-15 Mediatek Inc. Methods and apparatuses of constrained multi-type-tree block partition for video coding
GB2557430B (en) * 2016-10-12 2020-01-15 Mediatek Inc Methods and apparatuses of constrained multi-type-tree block partition for video coding
US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10706492B2 (en) * 2017-09-05 2020-07-07 Texas Instruments Incorporated Image compression/decompression in a computer vision system
JP7422075B2 (ja) * 2018-01-02 2024-01-25 サムスン エレクトロニクス カンパニー リミテッド 符号化方法及びその装置、復号方法及びその装置
US20200359024A1 (en) * 2018-01-30 2020-11-12 Sharp Kabushiki Kaisha Systems and methods for deriving quantization parameters for video blocks in video coding
GB2571313B (en) 2018-02-23 2022-09-21 Canon Kk New sample sets and new down-sampling schemes for linear component sample prediction
US10694195B2 (en) * 2018-03-07 2020-06-23 Tencent America LLC Methods and apparatus for palette coding
US11516513B2 (en) * 2018-03-14 2022-11-29 Mediatek Inc. Method and apparatus of optimized splitting structure for video coding
WO2019191218A1 (en) * 2018-03-30 2019-10-03 Interdigital Vc Holdings, Inc. Chroma quantization parameter adjustment in video encoding and decoding
KR20240073164A (ko) * 2018-04-01 2024-05-24 엘지전자 주식회사 양자화 파라미터 도출에 기초한 영상 코딩 장치 및 방법
WO2019194147A1 (en) * 2018-04-02 2019-10-10 Sharp Kabushiki Kaisha Systems and methods for deriving quantization parameters for video blocks in video coding
US10491897B2 (en) 2018-04-13 2019-11-26 Google Llc Spatially adaptive quantization-aware deblocking filter
CN119629345A (zh) * 2018-04-16 2025-03-14 交互数字Vc控股公司 用于视频编码和解码的量化参数预测
CN118101935B (zh) * 2018-04-19 2026-04-07 Oppo广东移动通信有限公司 用于处理图像的方法及其设备
JP2021523627A (ja) * 2018-05-10 2021-09-02 サムスン エレクトロニクス カンパニー リミテッド 映像の符号化及び復号のための映像の分割方法及びその装置
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
EP3804309A1 (en) * 2018-06-07 2021-04-14 InterDigital VC Holdings, Inc. Syntax elements for video encoding or decoding
WO2020004912A1 (ko) 2018-06-25 2020-01-02 한국전자통신연구원 양자화 파라미터를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
TWI820168B (zh) * 2018-07-15 2023-11-01 大陸商北京字節跳動網絡技術有限公司 跨分量編碼資訊導出
AU2019308493B2 (en) * 2018-07-17 2023-04-20 Huawei Technologies Co., Ltd. Constrained coding tree for video coding
US12069257B2 (en) 2018-08-16 2024-08-20 Hfi Innovation Inc. Methods and apparatuses of signaling quantization parameter in video processing system
CN110858900B (zh) * 2018-08-24 2022-08-05 上海天荷电子信息有限公司 复用精简反量化乘法因子和位移表的数据压缩方法和装置
KR102633714B1 (ko) * 2018-09-02 2024-02-06 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
CN110881129B (zh) * 2018-09-05 2024-01-05 华为技术有限公司 视频解码方法及视频解码器
CN112740668B (zh) * 2018-09-18 2022-05-24 华为技术有限公司 译码方法、设备、系统
KR20250093592A (ko) * 2018-09-21 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 역 양자화 장치 및 방법
EP3641312A1 (en) * 2018-10-18 2020-04-22 InterDigital VC Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
CN112740683A (zh) * 2018-09-24 2021-04-30 交互数字Vc控股公司 用于在为亮度和色度使用单独的译码树时确定色度量化参数的方法及装置
US10638146B2 (en) * 2018-10-01 2020-04-28 Tencent America LLC Techniques for QP coding for 360 image and video coding
JP6997339B2 (ja) * 2018-10-22 2022-01-17 日本放送協会 符号化装置、復号装置、及びプログラム
CN113228650B (zh) * 2018-11-08 2024-03-19 交互数字Vc控股公司 基于块的表面的视频编码或解码的量化
EP3868095A4 (en) * 2018-11-26 2021-12-15 Huawei Technologies Co., Ltd. APPARATUS AND METHOD FOR DERIVATING A CHROMINANCE QUANTIFICATION PARAMETER
CN113557746B (zh) * 2019-03-12 2024-07-05 北京字节跳动网络技术有限公司 视频编解码中的复合三叉树
EP3939279A4 (en) * 2019-03-15 2022-08-31 Beijing Dajia Internet Information Technology Co., Ltd. SIGNALING LOSSLESS ENCODING IN VIDEO ENCODING
US11843791B2 (en) 2019-05-03 2023-12-12 Interdigital Madison Patent Holdings, Sas Chroma processing for video encoding and decoding
US11570439B2 (en) 2019-05-15 2023-01-31 Hyundai Motor Company Inverse quantization device and method used in video decoding device
CN113841403B (zh) * 2019-05-15 2024-12-06 现代自动车株式会社 影像解码装置中使用的逆量化装置和方法
KR20250008790A (ko) * 2019-05-28 2025-01-15 삼성전자주식회사 작은 크기의 인트라 블록을 방지하기 위한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
CN119277087A (zh) * 2019-06-10 2025-01-07 株式会社 Xris 用于对图像信号进行编码/解码方法及其装置
US11695960B2 (en) * 2019-06-14 2023-07-04 Qualcomm Incorporated Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding
US11277618B2 (en) * 2019-06-21 2022-03-15 Qualcomm Incorporated Increasing decoding throughput of intra-coded blocks
CN114026858B (zh) * 2019-06-23 2024-08-09 夏普株式会社 用于在视频编码中导出视频块的量化参数的系统和方法
CN114175644B (zh) * 2019-06-28 2024-12-31 Lg电子株式会社 使用色度量化参数表的图像解码方法及其设备
CN119299693A (zh) 2019-06-28 2025-01-10 Lg 电子株式会社 用于解码图像的方法及其装置
KR102640264B1 (ko) * 2019-06-28 2024-02-23 엘지전자 주식회사 크로마 양자화 파라미터 데이터에 대한 영상 디코딩 방법 및 그 장치
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
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
KR102727878B1 (ko) 2019-08-22 2024-11-07 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN119653085A (zh) 2019-08-22 2025-03-18 Lg 电子株式会社 图像解码方法、图像编码方法和用于图像数据的传输方法
US12244805B2 (en) 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
AU2019232797A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
CN120201190B (zh) * 2019-12-17 2026-03-31 阿里巴巴(中国)有限公司 视频处理方法及装置、非暂时性计算机可读存储介质
WO2021170132A1 (en) * 2020-02-28 2021-09-02 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods simplifying signalling slice header syntax elements
US11558616B2 (en) * 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
CN116746148A (zh) * 2020-11-18 2023-09-12 北京达佳互联信息技术有限公司 用于视频编解码的残差和系数编解码
US11770535B2 (en) * 2021-02-19 2023-09-26 Samsung Display Co., Ltd. Systems and methods for joint color channel entropy encoding with positive reconstruction error
CN116074531B (zh) * 2021-11-11 2025-01-24 杭州海康威视数字技术股份有限公司 解码方法、编码方法及装置
CN116668705B (zh) * 2022-01-19 2024-10-29 杭州海康威视数字技术股份有限公司 一种图像解码方法、编码方法及装置
JP7846554B2 (ja) * 2022-04-11 2026-04-15 シャープ株式会社 動画像符号化装置、動画像復号装置および集積回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013150317A (ja) * 2011-12-21 2013-08-01 Jvc Kenwood Corp 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム
JP2015053680A (ja) * 2013-09-09 2015-03-19 アップル インコーポレイテッド 動画符号化における彩度量子化

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010134963A1 (en) * 2009-05-16 2010-11-25 Thomson Licensing Methods and apparatus for improved quantization rounding offset adjustment for video encoding and decoding
US20120189052A1 (en) * 2011-01-24 2012-07-26 Qualcomm Incorporated Signaling quantization parameter changes for coded units in high efficiency video coding (hevc)
KR101943049B1 (ko) * 2011-06-30 2019-01-29 에스케이텔레콤 주식회사 영상 부호화/복호화 방법 및 장치
US9161046B2 (en) * 2011-10-25 2015-10-13 Qualcomm Incorporated Determining quantization parameters for deblocking filtering for video coding
KR101965388B1 (ko) * 2011-11-04 2019-04-04 주식회사 골드피크이노베이션즈 양자화 계수 부/복호화 방법 및 이러한 방법을 사용하는 장치
TWI726579B (zh) * 2011-12-21 2021-05-01 日商Jvc建伍股份有限公司 動態影像編碼裝置、動態影像編碼方法、動態影像解碼裝置、及動態影像解碼方法
US9538174B2 (en) * 2012-08-10 2017-01-03 Mediatek Inc. Method and apparatus for inverse scan of transform coefficients in HEVC
KR101650742B1 (ko) * 2012-09-28 2016-08-24 인텔 코포레이션 인터-레이어 인트라 모드 예측
KR101737861B1 (ko) * 2014-01-20 2017-05-19 한국전자통신연구원 변환 깊이 기반 dct 사이즈 결정 장치 및 방법
US10136141B2 (en) * 2014-06-11 2018-11-20 Qualcomm Incorporated Determining quantization parameter (QP) values and delta QP values for palette coded blocks in video coding
WO2016090568A1 (en) * 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Binary tree block partitioning structure
US10212444B2 (en) 2016-01-15 2019-02-19 Qualcomm Incorporated Multi-type-tree framework for video coding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013150317A (ja) * 2011-12-21 2013-08-01 Jvc Kenwood Corp 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム
JP2015053680A (ja) * 2013-09-09 2015-03-19 アップル インコーポレイテッド 動画符号化における彩度量子化

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022538225A (ja) * 2019-06-28 2022-09-01 クゥアルコム・インコーポレイテッド 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
JP7574231B2 (ja) 2019-06-28 2024-10-28 クゥアルコム・インコーポレイテッド 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

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US20180020241A1 (en) 2018-01-18
EP3485644B1 (en) 2020-08-19
WO2018013706A1 (en) 2018-01-18
US10448056B2 (en) 2019-10-15
TW201804806A (zh) 2018-02-01
CN109479140B (zh) 2023-03-10
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