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

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
quantization
luma
current
cus
group
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2019501618A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019525585A5 (enExample
Inventor
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 JP2019525585A publication Critical patent/JP2019525585A/ja
Publication of JP2019525585A5 publication Critical patent/JP2019525585A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • 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)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
JP2019525585A true JP2019525585A (ja) 2019-09-05
JP2019525585A5 JP2019525585A5 (enExample) 2020-07-30

Family

ID=60941459

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019501618A Pending JP2019525585A (ja) 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

Country Status (9)

Country Link
US (1) US10448056B2 (enExample)
EP (1) EP3485644B1 (enExample)
JP (1) JP2019525585A (enExample)
KR (1) KR20190022629A (enExample)
CN (1) CN109479140B (enExample)
BR (1) BR112019000319A2 (enExample)
CA (1) CA3026657A1 (enExample)
TW (1) TW201804806A (enExample)
WO (1) WO2018013706A1 (enExample)

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
CN109196863B (zh) * 2016-05-27 2021-07-30 夏普株式会社 用于改变量化参数的系统和方法
CN109196862B (zh) * 2016-05-28 2021-01-22 联发科技股份有限公司 视频数据处理方法、装置及相应可读存储介质
CN109479131B (zh) * 2016-06-24 2023-09-01 世宗大学校产学协力团 视频信号处理方法及装置
CN113411576B (zh) 2016-07-22 2024-01-12 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
GB2557430B (en) * 2016-10-12 2020-01-15 Mediatek Inc Methods and apparatuses of constrained multi-type-tree block partition for video coding
US10779004B2 (en) 2016-10-12 2020-09-15 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
CN111543056B (zh) * 2018-01-02 2023-03-28 三星电子株式会社 编码方法及其设备以及解码方法及其设备
WO2019151257A1 (en) * 2018-01-30 2019-08-08 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
US11909974B2 (en) * 2018-03-30 2024-02-20 Interdigital Vc Holdings, Inc. Chroma quantization parameter adjustment in video encoding and decoding
WO2019194422A1 (en) 2018-04-01 2019-10-10 Lg Electronics Inc. An image coding apparatus and method thereof based on a quantization parameter derivation
CN111919446B (zh) * 2018-04-02 2022-10-28 夏普株式会社 解码视频图片中的当前视频块的方法
US10491897B2 (en) * 2018-04-13 2019-11-26 Google Llc Spatially adaptive quantization-aware deblocking filter
EP3782365A1 (en) * 2018-04-16 2021-02-24 InterDigital VC Holdings, Inc. Quantization parameter prediction for video encoding and decoding
CN112005550B (zh) * 2018-04-19 2024-05-03 Oppo广东移动通信有限公司 用于处理图像的方法及其设备
WO2019216710A1 (ko) * 2018-05-10 2019-11-14 삼성전자주식회사 영상의 부호화 및 복호화를 위한 영상의 분할 방법 및 장치
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
JP2021526329A (ja) * 2018-06-07 2021-09-30 インターデジタル ヴイシー ホールディングス, インコーポレイテッド 映像のコード化又は映像の復号のためのシンタックス要素
US11277612B2 (en) 2018-06-25 2022-03-15 Electronics And Telecommunications Research Institute Method and apparatus for encoding/decoding image using quantization parameter, and recording medium storing bitstream
CN110719481B (zh) 2018-07-15 2023-04-14 北京字节跳动网络技术有限公司 跨分量编码信息导出
CN114205629B (zh) * 2018-07-17 2022-11-25 华为技术有限公司 一种支持受约束编码树划分的编解码方法及装置
WO2020035066A1 (en) * 2018-08-16 2020-02-20 Mediatek Inc. Methods and apparatuses of chroma quantization parameter derivation 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
CN112753220A (zh) * 2018-09-02 2021-05-04 Lg电子株式会社 基于多重变换选择的图像编码方法及其装置
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
CA3111118A1 (en) * 2018-09-21 2020-03-26 Huawei Technologies Co., Ltd. Apparatus and method for inverse quantization
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
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
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
WO2020096755A1 (en) * 2018-11-08 2020-05-14 Interdigital Vc Holdings, Inc. Quantization for video encoding or decoding based on the surface of a block
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
WO2020190715A1 (en) * 2019-03-15 2020-09-24 Beijing Dajia Internet Information Technology Co., Ltd. Signaling of lossless coding in video coding
US11843791B2 (en) 2019-05-03 2023-12-12 Interdigital Madison Patent Holdings, Sas Chroma processing for video encoding and decoding
KR20200133185A (ko) * 2019-05-15 2020-11-26 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
WO2020231228A1 (ko) 2019-05-15 2020-11-19 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
BR112021021628A2 (pt) * 2019-05-28 2021-12-21 Samsung Electronics Co Ltd Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo um
CN119299710A (zh) * 2019-06-10 2025-01-10 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
CN118714313A (zh) * 2019-06-23 2024-09-27 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
KR102644970B1 (ko) 2019-06-28 2024-03-08 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
US12015792B2 (en) * 2019-06-28 2024-06-18 Lg Electronics Inc. Image decoding method for chroma quantization parameter data and apparatus therefor
CN119484828A (zh) * 2019-06-28 2025-02-18 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
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
JP7318110B2 (ja) 2019-08-22 2023-07-31 エルジー エレクトロニクス インコーポレイティド クロマ量子化パラメータを使用する画像デコード方法及びその装置
MX2022002086A (es) 2019-08-22 2022-03-17 Lg Electronics Inc Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.
JP7326585B2 (ja) 2019-08-22 2023-08-15 エルジー エレクトロニクス インコーポレイティド 画像デコード方法及びその装置
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
EP4078972A4 (en) * 2019-12-17 2024-01-03 Alibaba Group Holding Limited METHOD AND DEVICES FOR BLOCK DIVISION AT THE IMAGE BORDER
CN115152218A (zh) * 2020-02-28 2022-10-04 华为技术有限公司 简化条带头语法元素指示的编码器、解码器及对应方法
US11558616B2 (en) * 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
EP4248651A4 (en) * 2020-11-18 2024-10-16 Beijing Dajia Internet Information Technology Co., Ltd. RESIDUAL AND COEFFICIENT 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
CN116684621B (zh) 2022-01-19 2024-11-22 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
US9001889B2 (en) * 2009-05-16 2015-04-07 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
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
CN104541505B (zh) * 2012-09-28 2019-07-05 英特尔公司 层间内部模式预测方法、设备及装置
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

Also Published As

Publication number Publication date
WO2018013706A1 (en) 2018-01-18
TW201804806A (zh) 2018-02-01
CN109479140B (zh) 2023-03-10
US20180020241A1 (en) 2018-01-18
CN109479140A (zh) 2019-03-15
US10448056B2 (en) 2019-10-15
EP3485644B1 (en) 2020-08-19
KR20190022629A (ko) 2019-03-06
EP3485644A1 (en) 2019-05-22
CA3026657A1 (en) 2018-01-18
BR112019000319A2 (pt) 2019-04-16

Similar Documents

Publication Publication Date Title
US10448056B2 (en) Signaling of quantization information in non-quadtree-only partitioned video coding
US10506246B2 (en) Multi-type-tree framework for video coding
US11431968B2 (en) Variable number of intra modes for video coding
US11611757B2 (en) Position dependent intra prediction combination extended with angular modes
JP6734389B2 (ja) ビデオコーディングにおける非正方形ブロックのための予測パラメータの決定
US20180199072A1 (en) Multi-type-tree framework for video coding
JP2018524906A (ja) イントラブロックコピーモードでの参照ピクチャリスト構成
TW201611578A (zh) 區塊可適性顏色空間轉換寫碼
US20190306506A1 (en) Limitation on the coding tree unit/block for next-generation video coding
RU2785816C2 (ru) Комбинация позиционно-зависимого интра-предсказания, расширенная угловыми режимами
HK1252971B (en) Multi-type-tree framework for video coding
HK1229979A1 (en) Block adaptive color-space conversion coding method and device

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200616

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200616

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210729

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210803

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220308