JP2022548990A - ベクトルクリッピングを用いるアフィンコーディング - Google Patents

ベクトルクリッピングを用いるアフィンコーディング Download PDF

Info

Publication number
JP2022548990A
JP2022548990A JP2022518301A JP2022518301A JP2022548990A JP 2022548990 A JP2022548990 A JP 2022548990A JP 2022518301 A JP2022518301 A JP 2022518301A JP 2022518301 A JP2022518301 A JP 2022518301A JP 2022548990 A JP2022548990 A JP 2022548990A
Authority
JP
Japan
Prior art keywords
motion vector
block
value
affine
current coding
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
JP2022518301A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022548990A5 (enExample
Inventor
ルサノフスキー、ドミトロ
カルチェビチ、マルタ
ジャン、ヤン
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 JP2022548990A publication Critical patent/JP2022548990A/ja
Publication of JP2022548990A5 publication Critical patent/JP2022548990A5/ja
Pending legal-status Critical Current

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
    • H04N19/50Methods 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
    • H04N19/527Global motion vector estimation
    • 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
    • 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
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/186Methods 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 colour or a chrominance component
    • 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
    • H04N19/513Processing of motion vectors
    • 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/563Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • 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
    • H04N19/90Methods 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)
JP2022518301A 2019-09-29 2020-09-28 ベクトルクリッピングを用いるアフィンコーディング Pending JP2022548990A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962907664P 2019-09-29 2019-09-29
US62/907,664 2019-09-29
US201962910384P 2019-10-03 2019-10-03
US62/910,384 2019-10-03
US17/033,659 US11317111B2 (en) 2019-09-29 2020-09-25 Affine coding with vector clipping
US17/033,659 2020-09-25
PCT/US2020/053147 WO2021062401A1 (en) 2019-09-29 2020-09-28 Affine coding with vector clipping

Publications (2)

Publication Number Publication Date
JP2022548990A true JP2022548990A (ja) 2022-11-22
JP2022548990A5 JP2022548990A5 (enExample) 2023-09-05

Family

ID=75162657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022518301A Pending JP2022548990A (ja) 2019-09-29 2020-09-28 ベクトルクリッピングを用いるアフィンコーディング

Country Status (7)

Country Link
US (1) US11317111B2 (enExample)
EP (1) EP4035395A1 (enExample)
JP (1) JP2022548990A (enExample)
KR (1) KR20220064970A (enExample)
CN (1) CN114402617A (enExample)
AU (1) AU2020353234A1 (enExample)
WO (1) WO2021062401A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022550032A (ja) * 2019-09-30 2022-11-30 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019144908A1 (en) * 2018-01-26 2019-08-01 Mediatek Inc. Method and apparatus of affine inter prediction for video coding system
CN118413642A (zh) * 2018-05-10 2024-07-30 三星电子株式会社 视频解码方法、视频编码设备以及存储比特流的方法
KR102779596B1 (ko) * 2019-09-30 2025-03-10 후아웨이 테크놀러지 컴퍼니 리미티드 Dct 기반 보간 필터의 사용
WO2020251415A2 (en) * 2019-09-30 2020-12-17 Huawei Technologies Co., Ltd. Interpolation filter for an inter prediction apparatus and method for video coding
CN116076073B (zh) * 2021-09-02 2025-10-21 辉达公司 用于高性能视频编码的硬件编解码器加速器
CN116097649B (zh) 2021-09-06 2026-03-13 辉达公司 无滤波相依性的视频帧的并行编码
US12206861B2 (en) 2022-01-12 2025-01-21 Tencent America LLC Motion vector restriction for out-of-frame boundary conditions
US20240040142A1 (en) * 2022-07-26 2024-02-01 Tencent America LLC Method and apparatus for warp sample selection and grouping
US20250203075A1 (en) * 2022-09-09 2025-06-19 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for adaptive loop filtering
US12615374B2 (en) 2023-02-08 2026-04-28 Nvidia Corporation Context-aware quantization for high-performance video encoding
US12316863B2 (en) 2023-04-18 2025-05-27 Nvidia Corporation Chroma-from-luma mode selection for high-performance video encoding
US12238335B2 (en) 2023-04-18 2025-02-25 Nvidia Corporation Efficient sub-pixel motion vector search for high-performance video encoding
EP4723623A1 (en) * 2024-10-03 2026-04-08 InterDigital CE Patent Holdings, SAS Rate-distortion optimization with motion information

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190045214A1 (en) * 2016-02-03 2019-02-07 Sharp Kabushiki Kaisha Moving image decoding device, moving image coding device, and prediction image generation device
JP2021529462A (ja) * 2018-06-29 2021-10-28 ヴィド スケール インコーポレイテッド アフィン動きモデルを基にしたビデオコーディングのためのアダプティブ制御点の選択

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100551057C (zh) * 2005-12-29 2009-10-14 北京中星微电子有限公司 一种基于动态图像实现视频编码防抖的方法及编码器
CN102088611B (zh) * 2011-03-10 2012-09-19 上海交通大学 基于h.264标准运动矢量的脆弱性水印嵌入和提取方法
US11736713B2 (en) * 2018-11-14 2023-08-22 Tencent America LLC Constraint on affine model motion vector
CN113196771B (zh) * 2018-12-21 2023-12-22 北京字节跳动网络技术有限公司 基于运动矢量精度的运动矢量范围
US10904550B2 (en) * 2019-01-12 2021-01-26 Tencent America LLC Method and apparatus for video coding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190045214A1 (en) * 2016-02-03 2019-02-07 Sharp Kabushiki Kaisha Moving image decoding device, moving image coding device, and prediction image generation device
JP2021529462A (ja) * 2018-06-29 2021-10-28 ヴィド スケール インコーポレイテッド アフィン動きモデルを基にしたビデオコーディングのためのアダプティブ制御点の選択

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS, ET.AL.: "Versatile Video Coding (Draft 3)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 12TH MEETING: MACA, vol. JVET-L1001-v7, JPN6024030829, 20 December 2018 (2018-12-20), pages 136 - 142, ISSN: 0005386450 *
JINGYA LI, ET.AL.: "CE2: Memory bandwidth reduction for affine mode (test 2.4.2)", JOINT VIDEO EXPERTS TEAM (JVET) OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11 13TH MEETING: MARR, vol. JVET-M0309 (v4), JPN6024030828, 18 January 2019 (2019-01-18), pages 1 - 5, XP030201157, ISSN: 0005512507 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022550032A (ja) * 2019-09-30 2022-11-30 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限
JP7414127B2 (ja) 2019-09-30 2024-01-16 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限
US12470754B2 (en) 2019-09-30 2025-11-11 Huawei Technologies Co., Ltd. Affine motion model restrictions for memory bandwidth reduction of enhanced interpolation filter

Also Published As

Publication number Publication date
EP4035395A1 (en) 2022-08-03
AU2020353234A1 (en) 2022-03-17
US20210099729A1 (en) 2021-04-01
WO2021062401A1 (en) 2021-04-01
KR20220064970A (ko) 2022-05-19
CN114402617A (zh) 2022-04-26
US11317111B2 (en) 2022-04-26

Similar Documents

Publication Publication Date Title
KR102889176B1 (ko) 히스토리 기반 모션 벡터 예측자에 대한 개선들
US11582475B2 (en) History-based motion vector prediction
US11057636B2 (en) Affine motion prediction
US11317111B2 (en) Affine coding with vector clipping
JP7513641B2 (ja) 切替え可能フィルタを用いる参照ピクチャリサンプリング
JP6740243B2 (ja) ビデオコーディングにおける動きベクトル導出
JP6552964B2 (ja) スケーラブルなマルチビュービデオコーディングにおける高度な残差予測
CN113170123B (zh) 照明补偿与帧间预测的相互作用
CN111989922A (zh) 对基于解码器侧运动矢量推导的mvp推导的限制
JP2023554269A (ja) 重複ブロック動き補償
CN114503584B (zh) 基于历史的运动矢量预测
HK40066332A (zh) 利用矢量裁剪的仿射译码
HK40072834A (en) Reference picture resampling with switchable filters
HK40053272A (en) Improvements on history-based motion vector predictor

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20230104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230828

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230828

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240729

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240806

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20250128