JP7416450B2 - インターｐｄｐｃモードの改善 - Google Patents

インターｐｄｐｃモードの改善 Download PDF

Info

Publication number
JP7416450B2
JP7416450B2 JP2021532464A JP2021532464A JP7416450B2 JP 7416450 B2 JP7416450 B2 JP 7416450B2 JP 2021532464 A JP2021532464 A JP 2021532464A JP 2021532464 A JP2021532464 A JP 2021532464A JP 7416450 B2 JP7416450 B2 JP 7416450B2
Authority
JP
Japan
Prior art keywords
prediction
mode
video
block
inter
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
JP2021532464A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022511902A (ja
JP2022511902A5 (https=
JPWO2020185943A5 (https=
Inventor
リャン・ジャオ
シアン・リ
シン・ジャオ
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 JP2022511902A publication Critical patent/JP2022511902A/ja
Publication of JP2022511902A5 publication Critical patent/JP2022511902A5/ja
Publication of JPWO2020185943A5 publication Critical patent/JPWO2020185943A5/ja
Application granted granted Critical
Publication of JP7416450B2 publication Critical patent/JP7416450B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021532464A 2019-03-11 2020-03-11 インターｐｄｐｃモードの改善 Active JP7416450B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962816855P 2019-03-11 2019-03-11
US62/816,855 2019-03-11
US16/816,011 2020-03-11
US16/816,011 US11470354B2 (en) 2019-03-11 2020-03-11 Inter PDPC mode
PCT/US2020/022163 WO2020185943A1 (en) 2019-03-11 2020-03-11 Improvement for inter pdpc mode

Publications (4)

Publication Number Publication Date
JP2022511902A JP2022511902A (ja) 2022-02-01
JP2022511902A5 JP2022511902A5 (https=) 2023-10-05
JPWO2020185943A5 JPWO2020185943A5 (https=) 2023-10-05
JP7416450B2 true JP7416450B2 (ja) 2024-01-17

Family

ID=72423611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021532464A Active JP7416450B2 (ja) 2019-03-11 2020-03-11 インターｐｄｐｃモードの改善

Country Status (5)

Country Link
US (1) US11470354B2 (https=)
EP (1) EP3939312A4 (https=)
JP (1) JP7416450B2 (https=)
CN (1) CN113574895B (https=)
WO (1) WO2020185943A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220394298A1 (en) * 2019-12-27 2022-12-08 Interdigital Vc Holdings France Transform coding for inter-predicted video data
EP4162688A1 (en) * 2020-06-03 2023-04-12 Nokia Technologies Oy A method, an apparatus and a computer program product for video encoding and video decoding
CN115174908B (zh) * 2022-06-30 2023-09-15 北京百度网讯科技有限公司 视频编码的变换量化方法、装置、设备以及存储介质
US20240129454A1 (en) * 2022-10-17 2024-04-18 Tencent America LLC Boundary filtering on intrabc and intratmp coded blocks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10212445B2 (en) 2014-10-09 2019-02-19 Qualcomm Incorporated Intra block copy prediction restrictions for parallel processing
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10425648B2 (en) * 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
AU2018230328B2 (en) * 2017-03-10 2021-05-06 Hfi Innovation Inc. Method and apparatus of implicit intra coding tool settings with intra directional prediction modes for video coding
CN108810552B (zh) * 2017-04-28 2021-11-09 华为技术有限公司 图像预测方法和相关产品
US10805641B2 (en) * 2017-06-15 2020-10-13 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding
US10757420B2 (en) * 2017-06-23 2020-08-25 Qualcomm Incorporated Combination of inter-prediction and intra-prediction in video coding

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BROSS, Benjamin et al.，Versatile Video Coding (Draft 4)，JVET-M1001 (version 6)，ITU，2019年03月09日，pp.28-30，[online]，Retrieved from the Internet: <URL: https://jvet-experts.org/doc_end_user/documents/13_Marrakech/wg11/JVET-M1001-v6.zip>，JVET-M1001-v6.docx
CHEN, Jianle et al.，Algorithm Description for Versatile Video Coding and Test Model 4 (VTM 4)，JVET-M1002 (version 1)，ITU，2019年02月16日，pp.42-44，JVET-M1002-v1.docx
VAN, Luong Pham et al.，CE10-related: Inter-Intra Prediction Combination，JVET-M0096 (version 4)，ITU，2019年01月10日，pp.1-3，[online]，Retrieved from the Internet: <URL: https://jvet-experts.org/doc_end_user/documents/13_Marrakech/wg11/JVET-M0096-v4.zip>，JVET-M0096-_v3.docx
ZHAO, Yin et al.，CE6: Sub-Block Transform for Inter Blocks (CE6.1.2)，JVET-L0358 (version 2)，ITU，2018年09月30日，pp.1-9，JVET-L0358-v2.docx
服部亮史，HEVC技術解説【エントロピー符号化】，第１２回情報科学技術フォーラム，映像符号化の最新動向 ～HEVC標準化～，予稿，日本，一般社団法人情報処理学会，2013年09月06日，pp.1, 2，［令和５年７月４日検索］，インターネット＜URL: https://ipsj.or.jp/event/fit/fit2013/program/data/html/event/1-7-4.pdf＞

Also Published As

Publication number Publication date
JP2022511902A (ja) 2022-02-01
US11470354B2 (en) 2022-10-11
US20200296421A1 (en) 2020-09-17
WO2020185943A1 (en) 2020-09-17
EP3939312A4 (en) 2022-04-27
EP3939312A1 (en) 2022-01-19
CN113574895A (zh) 2021-10-29
CN113574895B (zh) 2024-01-30

Similar Documents

Publication Publication Date Title
JP7750560B2 (ja) 映像復号化のための方法、装置及びコンピュータ・プログラム
JP7241177B2 (ja) アフィン線形加重イントラ予測モードのための簡易シグナリング方法
KR102637562B1 (ko) 비디오 압축에서의 비-정사각형 블록들에 대한 인트라 예측을 위한 방법 및 장치
KR102697554B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP7254187B2 (ja) ビデオ復号用の方法、装置およびプログラム
JP7378608B2 (ja) ビデオ復号の方法、装置、およびコンピュータプログラム
JP7608554B2 (ja) イントラ予測モードとブロック差分パルスコード変調モードとの間の相互作用のための方法および装置
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
JP2025523726A (ja) ビデオコーディングのための方法、装置、及びコンピュータプログラム
KR102704930B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP7767510B2 (ja) ビデオコーディングのための方法および装置
JP7416450B2 (ja) インターｐｄｐｃモードの改善
JP7798430B2 (ja) ビデオコーディングのための方法および装置
JP2024539785A (ja) ジョイントｍｖｄコーディングのためのｍｖｄスケーリング
JP7765552B2 (ja) ゼロ残差フラグコーディング
JP2023525212A (ja) 変換係数に対する符号マップの改善されたエントロピーコーディング
JP2023543983A (ja) コーディングされたビデオストリームの現在のブロックに対してイントラ予測を実行するための方法、装置、およびコンピュータプログラム
JP7050942B2 (ja) ビデオ・コーディングのための方法、装置、及びコンピュータ・プログラム
JP7439344B2 (ja) ビデオデ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
JP2025503349A (ja) 複数の予測モードに基づくクロスチャネル予測
JP2025523320A (ja) 成分依存のイントラおよびインター予測信号伝達のための方法、装置およびプログラム
JP2025503823A (ja) 画像および映像圧縮におけるクロスコンポーネント平面予測
JP7490299B2 (ja) スキップ変換フラグ符号化
KR102853850B1 (ko) 비디오 코딩을 위한 방법 및 장치
JP2023525668A (ja) 多重変換選択を用いた適応スキャン

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210608

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210608

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220530

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220824

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20221219

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20230315

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230710

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20230927

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: 20231204

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231222

R150 Certificate of patent or registration of utility model

Ref document number: 7416450

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150