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
cus
group
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JP2019525585A5 (OSRAM
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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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    • 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
    • H04N19/70—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/90—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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  • Multimedia (AREA)
  • 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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JP2019525585A true JP2019525585A (ja) 2019-09-05
JP2019525585A5 JP2019525585A5 (OSRAM) 2020-07-30

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JP (1) JP2019525585A (OSRAM)
KR (1) KR20190022629A (OSRAM)
CN (1) CN109479140B (OSRAM)
BR (1) BR112019000319A2 (OSRAM)
CA (1) CA3026657A1 (OSRAM)
TW (1) TW201804806A (OSRAM)
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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 (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4199515A1 (en) * 2016-05-27 2023-06-21 SHARP Kabushiki Kaisha Systems and methods for varying quantization parameters
US10904580B2 (en) * 2016-05-28 2021-01-26 Mediatek Inc. Methods and apparatuses of video data processing with conditionally quantization parameter information signaling
US20190327476A1 (en) * 2016-06-24 2019-10-24 Industry Academy Cooperation Foundation Of Sejong University Video signal processing method and device
EP3488610B1 (en) * 2016-07-22 2025-11-26 Sharp Kabushiki Kaisha Device and method for decoding video data using adaptive component scaling
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
KR102500762B1 (ko) * 2018-01-02 2023-02-16 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
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
CN111819857B (zh) * 2018-03-14 2024-08-23 联发科技股份有限公司 用于视频编解码的优化分割结构的方法和装置
CN117176950A (zh) * 2018-03-30 2023-12-05 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
EP3941052B1 (en) * 2018-04-01 2023-09-13 LG Electronics Inc. An image coding apparatus and method thereof based on a quantization parameter derivation
EP3777172A4 (en) * 2018-04-02 2022-01-19 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR DERIVING QUANTIZATION PARAMETERS FOR VIDEO BLOCKS IN VIDEO ENCODING
US10491897B2 (en) 2018-04-13 2019-11-26 Google Llc Spatially adaptive quantization-aware deblocking filter
CN112189341B (zh) * 2018-04-16 2024-11-26 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
PL3793197T3 (pl) * 2018-05-10 2024-10-07 Samsung Electronics Co., Ltd. Sposób podziału obrazu i urządzenie do dekodowania obrazu
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
CN119135887A (zh) * 2018-06-07 2024-12-13 交互数字Vc控股公司 用于解码视频的画面数据的方法、设备和存储介质
CN119420923A (zh) * 2018-06-25 2025-02-11 韩国电子通信研究院 用于使用量化参数对图像进行编码/解码的方法和设备
CN117294852A (zh) 2018-07-15 2023-12-26 北京字节跳动网络技术有限公司 跨分量编解码顺序导出
JP2021532643A (ja) * 2018-07-17 2021-11-25 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ビデオコーディング用の制約付きコーディングツリー
EP3831061A4 (en) * 2018-08-16 2022-06-15 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
KR102534160B1 (ko) * 2018-09-02 2023-05-26 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
CN117956197A (zh) * 2018-09-05 2024-04-30 华为技术有限公司 视频解码方法及视频解码器
WO2020057530A1 (en) * 2018-09-18 2020-03-26 Huawei Technologies Co., Ltd. Coding method, device, system
AU2019342803B2 (en) * 2018-09-21 2023-07-13 Huawei Technologies Co., Ltd. Apparatus and method for inverse quantization
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
US12177446B2 (en) * 2018-09-24 2024-12-24 Interdigital Vc Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
US10638146B2 (en) * 2018-10-01 2020-04-28 Tencent America LLC Techniques for QP coding for 360 image and video coding
WO2020085278A1 (ja) * 2018-10-22 2020-04-30 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
WO2020111981A1 (en) 2018-11-26 2020-06-04 Huawei Technologies Co., Ltd. Apparatus and method for chrominance quantization parameter derivation
WO2020182182A1 (en) * 2019-03-12 2020-09-17 Beijing Bytedance Network Technology Co., Ltd. Compound triple tree in video coding
WO2020190715A1 (en) * 2019-03-15 2020-09-24 Beijing Dajia Internet Information Technology Co., Ltd. Signaling of lossless coding in video coding
EP3963886A1 (en) 2019-05-03 2022-03-09 InterDigital VC Holdings, Inc. Chroma processing for video encoding and decoding
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
WO2020231228A1 (ko) * 2019-05-15 2020-11-19 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
KR102615093B1 (ko) * 2019-05-28 2023-12-19 삼성전자주식회사 작은 크기의 인트라 블록을 방지하기 위한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
CN119277086A (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
US12058325B2 (en) * 2019-06-23 2024-08-06 Sharp Kabushiki Kaisha Systems and methods for deriving quantization parameters for video blocks in video coding
US12003727B2 (en) * 2019-06-28 2024-06-04 Lg Electronics Inc. Image decoding method using chroma quantization parameter table, and device therefor
CN119299691A (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
US12015792B2 (en) 2019-06-28 2024-06-18 Lg Electronics Inc. Image decoding method for chroma quantization parameter data and apparatus therefor
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
CN114258677B (zh) * 2019-08-22 2025-02-07 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
MX2022002085A (es) 2019-08-22 2022-03-17 Lg Electronics Inc Metodo de decodificacion de imagen y dispositivo para el mismo.
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
AU2019232797A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
JP7685499B2 (ja) * 2019-12-17 2025-05-29 アリババ グループ ホウルディング リミテッド ピクチャ境界におけるブロック区分のための方法及び装置
MX2022010698A (es) * 2020-02-28 2022-12-08 Huawei Tech Co Ltd Un codificador, un decodificador y métodos correspondientes que simplifican los elementos de sintaxis del encabezado de segmento de señalización.
US11558616B2 (en) * 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
WO2022108978A1 (en) * 2020-11-18 2022-05-27 Beijing Dajia Internet Information Technology Co., Ltd. Residual and coefficients coding for video coding
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
CN116527927B (zh) * 2021-11-11 2025-01-24 杭州海康威视数字技术股份有限公司 一种图像的解码方法、编码方法及装置
CN116074530B (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
JP2023155630A (ja) * 2022-04-11 2023-10-23 シャープ株式会社 動画像符号化装置、動画像復号装置

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
KR101702156B1 (ko) * 2009-05-16 2017-02-13 톰슨 라이센싱 비디오 인코딩 및 디코딩에 대한 개선된 양자화 라운딩 오프셋 조정을 위한 방법들 및 장치
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
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
US9538174B2 (en) * 2012-08-10 2017-01-03 Mediatek Inc. Method and apparatus for inverse scan of transform coefficients in HEVC
SG11201500316PA (en) * 2012-09-28 2015-02-27 Intel Corp Inter-layer intra mode prediction
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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CN109479140B (zh) 2023-03-10
WO2018013706A1 (en) 2018-01-18
CN109479140A (zh) 2019-03-15
KR20190022629A (ko) 2019-03-06
US20180020241A1 (en) 2018-01-18
US10448056B2 (en) 2019-10-15
TW201804806A (zh) 2018-02-01
EP3485644B1 (en) 2020-08-19
BR112019000319A2 (pt) 2019-04-16
EP3485644A1 (en) 2019-05-22

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