JP7106661B2 - 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング - Google Patents

映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング Download PDF

Info

Publication number
JP7106661B2
JP7106661B2 JP2020543619A JP2020543619A JP7106661B2 JP 7106661 B2 JP7106661 B2 JP 7106661B2 JP 2020543619 A JP2020543619 A JP 2020543619A JP 2020543619 A JP2020543619 A JP 2020543619A JP 7106661 B2 JP7106661 B2 JP 7106661B2
Authority
JP
Japan
Prior art keywords
intra
prediction
intra prediction
angles
diagonal
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.)
Active
Application number
JP2020543619A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021513815A (ja
Inventor
リャン・ジャオ
シン・ジャオ
シャン・リ
シャン・リュウ
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.)
Tencent America LLC
Original Assignee
Tencent America LLC
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 Tencent America LLC filed Critical Tencent America LLC
Publication of JP2021513815A publication Critical patent/JP2021513815A/ja
Priority to JP2022112483A priority Critical patent/JP7305851B2/ja
Application granted granted Critical
Publication of JP7106661B2 publication Critical patent/JP7106661B2/ja
Priority to JP2023106411A priority patent/JP7559149B2/ja
Priority to JP2024160408A priority patent/JP7791271B2/ja
Priority to JP2025244539A priority patent/JP2026041971A/ja
Priority to JP2025244538A priority patent/JP2026050371A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020543619A 2018-07-16 2019-06-03 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング Active JP7106661B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022112483A JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2023106411A JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244539A JP2026041971A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244538A JP2026050371A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862698526P 2018-07-16 2018-07-16
US62/698,526 2018-07-16
US16/202,876 2018-11-28
US16/202,876 US10630979B2 (en) 2018-07-16 2018-11-28 Reference sample padding and filtering for intra prediction in video compression
PCT/US2019/035116 WO2020018181A1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022112483A Division JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

Publications (2)

Publication Number Publication Date
JP2021513815A JP2021513815A (ja) 2021-05-27
JP7106661B2 true JP7106661B2 (ja) 2022-07-26

Family

ID=69139809

Family Applications (6)

Application Number Title Priority Date Filing Date
JP2020543619A Active JP7106661B2 (ja) 2018-07-16 2019-06-03 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2022112483A Active JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2023106411A Active JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A Active JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244539A Pending JP2026041971A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244538A Pending JP2026050371A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

Family Applications After (5)

Application Number Title Priority Date Filing Date
JP2022112483A Active JP7305851B2 (ja) 2018-07-16 2022-07-13 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2023106411A Active JP7559149B2 (ja) 2018-07-16 2023-06-28 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2024160408A Active JP7791271B2 (ja) 2018-07-16 2024-09-17 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244539A Pending JP2026041971A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2025244538A Pending JP2026050371A (ja) 2018-07-16 2025-12-10 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング

Country Status (6)

Country Link
US (4) US10630979B2 (https=)
EP (2) EP4718848A2 (https=)
JP (6) JP7106661B2 (https=)
KR (3) KR102635400B1 (https=)
CN (2) CN112236997B (https=)
WO (1) WO2020018181A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10630979B2 (en) 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression
CN113709459B (zh) * 2019-01-02 2023-06-23 Oppo广东移动通信有限公司 帧内预测方法、装置及计算机存储介质
JP7575355B2 (ja) * 2021-06-29 2024-10-29 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013105622A1 (ja) 2012-01-13 2013-07-18 シャープ株式会社 画像復号装置、画像符号化装置、および符号化データのデータ構造

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US9008175B2 (en) * 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
CN104247422B (zh) * 2011-11-07 2018-09-11 华为技术有限公司 用于改进帧内预测的新的角度表的方法和装置
US9344722B2 (en) * 2011-11-18 2016-05-17 Futurewei Technologies, Inc. Scanning of prediction residuals in high efficiency video coding
US11323699B2 (en) * 2012-04-16 2022-05-03 Electronics And Telecommunications Research Institute Encoding method and decoding method, and device using same
US9967594B2 (en) * 2013-06-28 2018-05-08 Mozilla Corporation Probability modeling of intra prediction modes
CN107211121B (zh) * 2015-01-22 2020-10-23 联发科技(新加坡)私人有限公司 视频编码方法与视频解码方法
US20180255304A1 (en) * 2015-03-29 2018-09-06 Lg Electronics Inc. Method and device for encoding/decoding video signal
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US20160373742A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10602138B2 (en) * 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
WO2017105141A1 (ko) * 2015-12-17 2017-06-22 삼성전자 주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
EP3453174B1 (en) * 2016-05-06 2024-11-27 InterDigital Madison Patent Holdings, SAS Method and system for decoder-side intra mode derivation for block-based video coding
CA3025488A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
EP4604517A3 (en) * 2016-12-23 2025-11-12 Huawei Technologies Co., Ltd. An intra-prediction apparatus for extending a set of predetermined directional intra-prediction modes
US10630979B2 (en) * 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013105622A1 (ja) 2012-01-13 2013-07-18 シャープ株式会社 画像復号装置、画像符号化装置、および符号化データのデータ構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Gagan Rath et al.,CE3-related: Block Shape Adaptive Intra Prediction Directions,Joint Video Experts Team (JVET),2018年07月13日,[JVET-K0169_r1] (version 2)

Also Published As

Publication number Publication date
KR102459185B1 (ko) 2022-10-27
KR102635400B1 (ko) 2024-02-13
CN112236997A (zh) 2021-01-15
CN112236997B (zh) 2023-09-26
US10630979B2 (en) 2020-04-21
EP4718848A2 (en) 2026-04-01
US11128863B2 (en) 2021-09-21
JP2026050371A (ja) 2026-03-19
US12231629B2 (en) 2025-02-18
US11736685B2 (en) 2023-08-22
JP7791271B2 (ja) 2025-12-23
WO2020018181A1 (en) 2020-01-23
JP2022132417A (ja) 2022-09-08
US20200221082A1 (en) 2020-07-09
EP3824626A1 (en) 2021-05-26
KR20240023237A (ko) 2024-02-20
US20200021803A1 (en) 2020-01-16
KR20200125683A (ko) 2020-11-04
JP7305851B2 (ja) 2023-07-10
KR20220143971A (ko) 2022-10-25
JP2024169525A (ja) 2024-12-05
JP2021513815A (ja) 2021-05-27
JP2023115281A (ja) 2023-08-18
EP3824626B1 (en) 2026-04-08
US20230379457A1 (en) 2023-11-23
JP2026041971A (ja) 2026-03-10
US20210377522A1 (en) 2021-12-02
JP7559149B2 (ja) 2024-10-01
CN117156140A (zh) 2023-12-01
EP3824626A4 (en) 2022-04-20

Similar Documents

Publication Publication Date Title
JP7574247B2 (ja) マルチラインフレーム内予測のための方法、装置、及びコンピュータプログラム
JP7046220B2 (ja) 小ブロックの予測と変換のための方法、装置、及びプログラム
JP7260561B2 (ja) マルチラインイントラ予測のためのイントラ補間フィルタを選択する方法、装置、及びコンピュータプログラム
JP7011735B2 (ja) コーディングブロックフラグと予測モードの改善されたコンテキスト設計のための方法及び装置、並びにコンピュータプログラム
JP2023138834A (ja) イントラモード符号化のための方法、装置及びコンピュータプログラム
JP7623442B2 (ja) 統合位置依存予測組み合わせプロセスを使用するデコードのための方法、装置およびコンピュータ・プログラム
JP7744396B2 (ja) 簡略化された最確モードリスト生成スキーム
KR20200128156A (ko) 비디오 압축에서의 비-정사각형 블록들에 대한 인트라 예측을 위한 방법 및 장치
JP2025138780A (ja) ビデオコーディングのための方法、装置、およびプログラム
JP7357679B2 (ja) 改善された最確モードリスト生成方法
JP2021520150A (ja) 予測モードおよび符号化ブロックフラグ(cbf)のコンテキスト設計を更に向上する方法および機器
JP2021517410A5 (https=)
JP7791271B2 (ja) 映像圧縮におけるイントラ予測のための参照サンプルパディング及びフィルタリング
JP2022524783A (ja) ビデオコーディングのための方法および装置
JP2021520149A (ja) 8ビット変換コアを用いる主変換のための方法および装置
JP2025513129A (ja) マッピングおよび異なるタイプを使用するルマからクロマの予測
JP2022051929A (ja) ビデオ符号化のための方法、及び装置
JP7765552B2 (ja) ゼロ残差フラグコーディング
JP7326436B2 (ja) イントラ予測におけるイントラモード選択
JP7820019B2 (ja) ビデオエンコーディングのための方法、デバイス、およびコンピュータプログラム
JP2022526006A (ja) 参照ピクチャー再サンプリングのための出力ピクチャー・サイズの信号伝達に関する方法、装置およびコンピュータ・プログラム
HK40047084A (en) Method and related apparatus for multi-line intra-frame prediction

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200813

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210902

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210913

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20211213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220214

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: 20220613

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220713

R150 Certificate of patent or registration of utility model

Ref document number: 7106661

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250