JP6081499B2 - 変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ - Google Patents

変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ Download PDF

Info

Publication number
JP6081499B2
JP6081499B2 JP2014560082A JP2014560082A JP6081499B2 JP 6081499 B2 JP6081499 B2 JP 6081499B2 JP 2014560082 A JP2014560082 A JP 2014560082A JP 2014560082 A JP2014560082 A JP 2014560082A JP 6081499 B2 JP6081499 B2 JP 6081499B2
Authority
JP
Japan
Prior art keywords
transform coefficients
scan order
context
transform
coefficient
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.)
Expired - Fee Related
Application number
JP2014560082A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015512222A5 (forum.php
JP2015512222A (ja
Inventor
ソル・ロジャルス、ジョエル
ジョシ、ラジャン・ラクスマン
チェン、ウェイ−ジュン
セレジン、バディム
チェン、ジャンレ
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 JP2015512222A publication Critical patent/JP2015512222A/ja
Publication of JP2015512222A5 publication Critical patent/JP2015512222A5/ja
Application granted granted Critical
Publication of JP6081499B2 publication Critical patent/JP6081499B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/129Scanning 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
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/57Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2014560082A 2012-03-02 2013-03-01 変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ Expired - Fee Related JP6081499B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261606356P 2012-03-02 2012-03-02
US61/606,356 2012-03-02
US13/780,846 US9363510B2 (en) 2012-03-02 2013-02-28 Scan-based sliding window in context derivation for transform coefficient coding
US13/780,846 2013-02-28
PCT/US2013/028588 WO2013130952A1 (en) 2012-03-02 2013-03-01 Scan-based sliding window in context derivation for transform coefficient coding

Publications (3)

Publication Number Publication Date
JP2015512222A JP2015512222A (ja) 2015-04-23
JP2015512222A5 JP2015512222A5 (forum.php) 2016-09-08
JP6081499B2 true JP6081499B2 (ja) 2017-02-15

Family

ID=49042826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014560082A Expired - Fee Related JP6081499B2 (ja) 2012-03-02 2013-03-01 変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ

Country Status (7)

Country Link
US (1) US9363510B2 (forum.php)
EP (1) EP2820845B1 (forum.php)
JP (1) JP6081499B2 (forum.php)
KR (1) KR101708540B1 (forum.php)
CN (1) CN104137542B (forum.php)
IN (1) IN2014MN01592A (forum.php)
WO (1) WO2013130952A1 (forum.php)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9497472B2 (en) 2010-11-16 2016-11-15 Qualcomm Incorporated Parallel context calculation in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
CN103096049A (zh) * 2011-11-02 2013-05-08 华为技术有限公司 一种视频处理方法及系统、相关设备
BR112014011155B1 (pt) 2011-11-08 2023-04-04 Google Technology Holdings LLC Método de determinação de uma palavra de código binária para um símbolo, codificador de vídeo e meio que pode ser lido em computador
WO2013109997A1 (en) 2012-01-21 2013-07-25 General Instrument Corporation Method of determining binary codewords for transform coefficients
US9565435B2 (en) 2012-02-04 2017-02-07 Google Technology Holdings LLC Devices and methods for context reduction in last significant coefficient position coding
US20140003488A1 (en) * 2012-06-30 2014-01-02 Research In Motion Limited Position-based context selection for greater-than-one flag decoding and encoding
US9224187B2 (en) 2013-09-27 2015-12-29 Apple Inc. Wavefront order to scan order synchronization
US9336558B2 (en) 2013-09-27 2016-05-10 Apple Inc. Wavefront encoding with parallel bit stream encoding
KR102257379B1 (ko) * 2014-07-22 2021-06-01 삼성전자주식회사 비디오 인코딩 회로 및 그것을 이용하는 비디오 인코딩 방법
US9781424B2 (en) 2015-01-19 2017-10-03 Google Inc. Efficient context handling in arithmetic coding
US10574993B2 (en) * 2015-05-29 2020-02-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
KR102765010B1 (ko) * 2015-10-13 2025-02-11 삼성전자주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10554988B2 (en) * 2017-03-22 2020-02-04 Qualcomm Incorporated Binary arithmetic coding with parameterized probability estimation finite state machines
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
US10791341B2 (en) * 2017-10-10 2020-09-29 Qualcomm Incorporated Binary arithmetic coding with progressive modification of adaptation parameters
US10484695B2 (en) * 2017-10-23 2019-11-19 Google Llc Refined entropy coding for level maps
EP3721630A1 (en) * 2017-12-08 2020-10-14 Google LLC Context derivation for coefficient coding
US10609421B2 (en) 2018-07-12 2020-03-31 Google Llc Context derivation for coefficient coding
US10547869B2 (en) * 2017-12-08 2020-01-28 Google Llc Template-based entropy coding of quantized transform coefficients
US10869060B2 (en) * 2018-01-30 2020-12-15 Google Llc Efficient context model computation design in transform coefficient coding
US10298895B1 (en) * 2018-02-15 2019-05-21 Wipro Limited Method and system for performing context-based transformation of a video
US10645381B2 (en) 2018-04-30 2020-05-05 Google Llc Intra-prediction for smooth blocks in image/video
US11113846B2 (en) 2018-08-31 2021-09-07 Hulu, LLC Coefficient context modeling in video coding
WO2020228762A1 (en) * 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Context modeling for residual coding
CN112449184B (zh) * 2019-08-28 2022-01-25 腾讯科技(深圳)有限公司 变换系数优化方法、编解码方法、装置、介质及电子设备
CN115987294B (zh) * 2023-03-17 2023-07-25 北京悦知未来科技有限公司 一种物联网的多维数据处理方法
US20240357114A1 (en) * 2023-04-14 2024-10-24 Qualcomm Incorporated Context-based coding of transform coefficients for klt-based transforms

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100303085B1 (ko) * 1998-04-24 2001-09-24 전주범 이진형상신호부호화장치및방법
US7379608B2 (en) * 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
US8311119B2 (en) * 2004-12-31 2012-11-13 Microsoft Corporation Adaptive coefficient scan order
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8428133B2 (en) * 2007-06-15 2013-04-23 Qualcomm Incorporated Adaptive coding of video block prediction mode
KR20090004658A (ko) 2007-07-02 2009-01-12 엘지전자 주식회사 디지털 방송 시스템 및 데이터 처리 방법
SG172459A1 (en) 2009-12-01 2011-08-29 Intel Corp Compression using range coding with virtual sliding window
ES2952881T3 (es) * 2010-04-13 2023-11-06 Ge Video Compression Llc Codificación de mapas de significado y bloques de coeficiente de transformada
US8634669B2 (en) * 2011-01-13 2014-01-21 Sony Corporation Fast implementation of context selection of significance map
US9379736B2 (en) * 2011-06-03 2016-06-28 Qualcomm Incorporated Context-adaptive coding video data
US9756360B2 (en) 2011-07-19 2017-09-05 Qualcomm Incorporated Coefficient scanning in video coding
US10390046B2 (en) 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode

Also Published As

Publication number Publication date
WO2013130952A1 (en) 2013-09-06
CN104137542A (zh) 2014-11-05
KR101708540B1 (ko) 2017-02-20
EP2820845B1 (en) 2018-08-08
IN2014MN01592A (forum.php) 2015-05-08
KR20140139519A (ko) 2014-12-05
US9363510B2 (en) 2016-06-07
CN104137542B (zh) 2017-12-05
EP2820845A1 (en) 2015-01-07
US20130230097A1 (en) 2013-09-05
JP2015512222A (ja) 2015-04-23

Similar Documents

Publication Publication Date Title
JP6081499B2 (ja) 変換係数コーディングのためのコンテキスト導出における走査ベーススライディングウィンドウ
JP6542400B2 (ja) 係数走査のための係数グループおよび係数コーディング
JP6495390B2 (ja) ビデオコーディングにおける関心領域および漸次復号リフレッシュのシグナリング
JP5869108B2 (ja) メモリ効率的コンテキストモデリング
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
JP5869008B2 (ja) ビデオコーディングにおける変換
JP6162150B2 (ja) ビデオコーディング用の残差4分木(rqt)コーディング
JP5955955B2 (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
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
JP5932050B2 (ja) ビデオコーディングにおけるクロマ成分のための変換ユニットパーティショニング
JP6067776B2 (ja) ビデオデータをコンテキスト適応型コーディングすること
JP5869122B2 (ja) ビデオコーディングにおける予測データのバッファリング
JP5940726B2 (ja) ビデオコーディングにおけるバイパスコーディングされたシンタックス要素のグループ化
JP5902307B2 (ja) イントラモードビデオコーディング
JP6022586B2 (ja) ビデオコーディングのための隣接するビデオユニットの利用可能性の検出
JP6174152B2 (ja) ビデオコーディングにおける動作点用のシグナリングレイヤ識別子
JP6239609B2 (ja) ビデオコーディングのための長期参照ピクチャをシグナリングすること
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
JP2018537908A (ja) ビデオデータの符号情報をコーディングすること
JP2017513342A (ja) ゼロアウトされた係数を使用した低複雑な順変換のためのシステムおよび方法
JP2016534649A (ja) イントラブロックコピー実行時の領域決定
JP2017523685A (ja) イントラブロックコピーイングのためのブロックベクトルコーディング
JP6199371B2 (ja) ビデオ・コーディングのためのインタ・レイヤ・テクスチャ予測
JP2016527789A (ja) イントラ動き補償の拡張
JP2016534644A (ja) イントラブロックコピーのための残差予測

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160202

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160202

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160720

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20160720

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160926

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20160927

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20161004

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161125

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20161220

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170118

R150 Certificate of patent or registration of utility model

Ref document number: 6081499

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees