JP2015516770A - ビデオコーディングにおける量子化行列のための均一粒度 - Google Patents

ビデオコーディングにおける量子化行列のための均一粒度 Download PDF

Info

Publication number
JP2015516770A
JP2015516770A JP2015505994A JP2015505994A JP2015516770A JP 2015516770 A JP2015516770 A JP 2015516770A JP 2015505994 A JP2015505994 A JP 2015505994A JP 2015505994 A JP2015505994 A JP 2015505994A JP 2015516770 A JP2015516770 A JP 2015516770A
Authority
JP
Japan
Prior art keywords
value
modified
transform coefficient
quantized transform
granularity
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
JP2015505994A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015516770A5 (enExample
Inventor
ジョシ、ラジャン・ラクスマン
ソル・ロジャルス、ジョエル
カークゼウィックズ、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 JP2015516770A publication Critical patent/JP2015516770A/ja
Publication of JP2015516770A5 publication Critical patent/JP2015516770A5/ja
Pending legal-status Critical Current

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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2015505994A 2012-04-16 2013-04-16 ビデオコーディングにおける量子化行列のための均一粒度 Pending JP2015516770A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261624959P 2012-04-16 2012-04-16
US61/624,959 2012-04-16
US13/863,197 US20130272390A1 (en) 2012-04-16 2013-04-15 Uniform granularity for quantization matrix in video coding
US13/863,197 2013-04-15
PCT/US2013/036799 WO2013158656A2 (en) 2012-04-16 2013-04-16 Uniform granularity for quantization matrix in video coding

Publications (2)

Publication Number Publication Date
JP2015516770A true JP2015516770A (ja) 2015-06-11
JP2015516770A5 JP2015516770A5 (enExample) 2016-05-26

Family

ID=49325057

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015505994A Pending JP2015516770A (ja) 2012-04-16 2013-04-16 ビデオコーディングにおける量子化行列のための均一粒度

Country Status (5)

Country Link
US (1) US20130272390A1 (enExample)
JP (1) JP2015516770A (enExample)
KR (1) KR20150008412A (enExample)
CN (1) CN104221378B (enExample)
WO (1) WO2013158656A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10531086B2 (en) 2015-03-31 2020-01-07 Realnetworks, Inc. Residual transformation and inverse transformation in video coding systems and methods

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9253483B2 (en) * 2012-09-25 2016-02-02 Google Technology Holdings LLC Signaling of scaling list
WO2014193630A1 (en) * 2013-05-30 2014-12-04 Intel Corporation Quantization offset and cost factor modification for video encoding
CN105138304B (zh) * 2015-07-28 2018-07-20 北京华力创通科技股份有限公司 数字信号的自适应量化方法及装置
JP6895645B2 (ja) * 2016-03-25 2021-06-30 パナソニックＩｐマネジメント株式会社 信号依存型適応量子化を用いて動画像を符号化及び復号するための方法及び装置
KR102331933B1 (ko) * 2016-05-12 2021-11-29 엘지전자 주식회사 계수 유도 복원을 이용하여 비디오 신호를 처리하는 방법 및 장치
KR102601350B1 (ko) * 2016-05-31 2023-11-13 엘지디스플레이 주식회사 데이터 압축 방법 및 이를 이용한 표시 장치
KR102636099B1 (ko) * 2016-12-22 2024-02-13 삼성전자주식회사 양자화 파라미터를 조절하는 비디오 인코딩을 위한 장치 및 방법
US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10827173B2 (en) * 2017-11-13 2020-11-03 Electronics And Telecommunications Research Institute Method and apparatus for quantization
WO2019162231A1 (en) * 2018-02-26 2019-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selective quantization parameter transmission
KR101997681B1 (ko) * 2018-06-11 2019-07-08 광운대학교 산학협력단 양자화 파라미터 기반의 잔차 블록 부호화/복호화 방법 및 장치
CN112673639B (zh) * 2018-09-11 2024-03-08 夏普株式会社 用于对变换系数位阶值进行编码的系统和方法
CN110944177B (zh) * 2018-09-21 2024-03-01 华为技术有限公司 视频解码方法及视频解码器，视频编码方法及视频编码器
JP2020098986A (ja) * 2018-12-17 2020-06-25 キヤノン株式会社 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
WO2021030786A1 (en) 2019-08-15 2021-02-18 Bytedance Inc. Palette mode with different partition structures
CN114930822B (zh) 2019-08-15 2025-05-16 字节跳动有限公司 用于调色板逸出符号的熵编解码
EP4014497A4 (en) 2019-09-14 2022-11-30 ByteDance Inc. Quantization parameter for chroma deblocking filtering
KR102624438B1 (ko) * 2019-09-19 2024-01-15 바이트댄스 아이엔씨 팔레트 모드에 대한 양자화 파라미터 도출
CN114731392B (zh) * 2019-09-21 2025-01-03 北京字节跳动网络技术有限公司 用于图像和视频编解码的高精度变换和量化
CN114731404A (zh) * 2019-09-23 2022-07-08 交互数字Vc控股法国有限公司 使用基于块区域的量化矩阵进行视频编码和解码
CN114651442B (zh) 2019-10-09 2025-06-13 字节跳动有限公司 视频编解码中的跨分量适应性回路滤波
EP4055827A4 (en) 2019-12-09 2023-01-18 ByteDance Inc. USE OF QUANTIZATION GROUPS IN VIDEO CODING
WO2021121419A1 (en) 2019-12-19 2021-06-24 Beijing Bytedance Network Technology Co., Ltd. Interaction between adaptive color transform and quantization parameters
WO2021136554A1 (en) 2020-01-05 2021-07-08 Beijing Bytedance Network Technology Co., Ltd. General constraints information for video coding
CN114982237A (zh) * 2020-01-14 2022-08-30 抖音视界(北京)有限公司 视频编解码中量化参数的信令通知
CN115176470B (zh) 2020-01-18 2025-05-27 抖音视界有限公司 图像/视频编解码中的自适应颜色变换

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030147463A1 (en) * 2001-11-30 2003-08-07 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
JP2003230142A (ja) * 2001-11-30 2003-08-15 Sony Corp 画像情報符号化方法及び装置、並びにプログラム及び記録媒体
JP2007049312A (ja) * 2005-08-08 2007-02-22 Canon Inc 画像復号装置及びその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
WO2008132890A1 (ja) * 2007-04-16 2008-11-06 Kabushiki Kaisha Toshiba 画像符号化と画像復号化の方法及び装置
JP2012050023A (ja) * 2010-08-30 2012-03-08 Jvc Kenwood Corp 画像データ送信装置、画像データ受信装置、画像データ伝送システム、画像データ送信方法および画像データ受信方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7627187B2 (en) * 2003-09-24 2009-12-01 Ntt Docomo, Inc. Low complexity and unified transforms for video coding
CN101325714B (zh) * 2007-06-13 2010-10-27 华为技术有限公司 变换数据处理方法和装置以及编码、解码方法和装置
CN101888556B (zh) * 2008-03-19 2012-04-25 华为技术有限公司 编码、解码方法和编码、解码装置
JP5502336B2 (ja) * 2009-02-06 2014-05-28 パナソニック株式会社 映像信号符号化装置及び、映像信号符号化方法
US9152875B2 (en) * 2009-06-11 2015-10-06 Texas Instruments Incorporated Preserving text quality in video encoding

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030147463A1 (en) * 2001-11-30 2003-08-07 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
JP2003230142A (ja) * 2001-11-30 2003-08-15 Sony Corp 画像情報符号化方法及び装置、並びにプログラム及び記録媒体
JP2007049312A (ja) * 2005-08-08 2007-02-22 Canon Inc 画像復号装置及びその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
WO2008132890A1 (ja) * 2007-04-16 2008-11-06 Kabushiki Kaisha Toshiba 画像符号化と画像復号化の方法及び装置
JP2012050023A (ja) * 2010-08-30 2012-03-08 Jvc Kenwood Corp 画像データ送信装置、画像データ受信装置、画像データ伝送システム、画像データ送信方法および画像データ受信方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JUNICHI TANAKA(外2名): "Quantization Matrix for HEVC", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 JCTVC, JPN6017016040, 23 March 2011 (2011-03-23), US, pages 1 - 24, ISSN: 0003928814 *
TAMMY LEE(外3名): "CE4 Subtest 1.2.c: Higher granularity of quantization parameter scaling", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 JCTVC, JPN6017016041, 30 November 2011 (2011-11-30), US, pages 1 - 7, ISSN: 0003928815 *
XIANG LI(外6名): "Non CE4: Fine granularity QP offset", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 JCTVC, JPN6017016042, 30 November 2011 (2011-11-30), US, pages 1 - 11, ISSN: 0003928816 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10531086B2 (en) 2015-03-31 2020-01-07 Realnetworks, Inc. Residual transformation and inverse transformation in video coding systems and methods

Also Published As

Publication number Publication date
KR20150008412A (ko) 2015-01-22
CN104221378A (zh) 2014-12-17
WO2013158656A2 (en) 2013-10-24
WO2013158656A3 (en) 2013-12-12
US20130272390A1 (en) 2013-10-17
CN104221378B (zh) 2017-12-05

Similar Documents

Publication Publication Date Title
JP2015516770A (ja) ビデオコーディングにおける量子化行列のための均一粒度
CN113612997B (zh) 针对视频译码使用与位置相关的预测组合的改进视频帧内预测
JP5823623B2 (ja) ビデオコーディングのための動きベクトル予測子候補クリッピング削除
JP6231109B2 (ja) コンテキスト適応型、マルチレベル有意性コーディングに関するコンテキスト導出
KR102352638B1 (ko) 비디오 코딩 프로세스에서의 계수 레벨 코딩
JP5855759B2 (ja) 最後有効係数の位置のプログレッシブコーディング
JP6271477B2 (ja) 変換係数の関数ベース走査順序を使用するビデオ符号化
US9883203B2 (en) Adaptive overlapped block motion compensation
US9667994B2 (en) Intra-coding for 4:2:2 sample format in video coding
US9807401B2 (en) Transform unit partitioning for chroma components in video coding
JP5833249B2 (ja) ビデオコーディングのための適応的な中心帯域オフセットフィルタ
JP6151277B2 (ja) ビデオコーディングにおけるデブロッキングフィルタパラメータのシグナリング
JP5784830B2 (ja) ビデオコード化のための複数領域走査順序
JP6301449B2 (ja) ビット深度に基づいたサンプル適応オフセットスケーリング
US20130272380A1 (en) Grouping bypass coded syntax elements in video coding
JP2015516768A (ja) 変換係数コーディング
JP6042526B2 (ja) ビデオコーディングのための最後の位置コーディングのためのコンテキストの導出
JP2015507429A (ja) ビデオコード化において変換係数データをコード化するためのコンテキストの決定
JP2015508953A (ja) ビデオコーディング用の残差４分木（ｒｑｔ）コーディング
JP2014521256A (ja) リーフレベルコード化単位のサブセットについての変換係数のシンタックス要素の信号伝達
TW201313031A (zh) 用於大色度區塊的可變長度寫碼係數寫碼
US9338456B2 (en) Coding syntax elements using VLC codewords
HK1201003B (en) Method and device for encoding and decoding video data

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160331

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160331

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170313

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170509

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170809

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180220

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180521

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20181204