JP2024514113A - ビデオコーディングのためのテンプレートマッチングベースのアフィン予測 - Google Patents

ビデオコーディングのためのテンプレートマッチングベースのアフィン予測 Download PDF

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JP2024514113A
JP2024514113A JP2023561191A JP2023561191A JP2024514113A JP 2024514113 A JP2024514113 A JP 2024514113A JP 2023561191 A JP2023561191 A JP 2023561191A JP 2023561191 A JP2023561191 A JP 2023561191A JP 2024514113 A JP2024514113 A JP 2024514113A
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template
current
video
picture
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JP2024514113A5 (https=
JPWO2022221140A5 (https=
Inventor
チェン、チュン－チー
ファン、ハン
ジャン、ジー
チャン、ヤオ－ジェン
ジャン、ヤン
セレジン、バディム
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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Priority claimed from US17/715,571 external-priority patent/US11936877B2/en
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Publication of JP2024514113A5 publication Critical patent/JP2024514113A5/ja
Publication of JPWO2022221140A5 publication Critical patent/JPWO2022221140A5/ja
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    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • 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
    • H04N19/533—Motion estimation using multistep search, e.g. two-dimensional [2D]-log search or one-at-a-time search [OTS]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023561191A 2021-04-12 2022-04-08 ビデオコーディングのためのテンプレートマッチングベースのアフィン予測 Pending JP2024514113A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163173861P 2021-04-12 2021-04-12
US202163173949P 2021-04-12 2021-04-12
US63/173,949 2021-04-12
US63/173,861 2021-04-12
US17/715,571 US11936877B2 (en) 2021-04-12 2022-04-07 Template matching based affine prediction for video coding
US17/715,571 2022-04-07
PCT/US2022/024024 WO2022221140A1 (en) 2021-04-12 2022-04-08 Template matching based affine prediction for video coding

Publications (3)

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JP2024514113A true JP2024514113A (ja) 2024-03-28
JP2024514113A5 JP2024514113A5 (https=) 2025-03-18
JPWO2022221140A5 JPWO2022221140A5 (https=) 2025-03-18

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EP (1) EP4324206A1 (https=)
JP (1) JP2024514113A (https=)
KR (1) KR20230169960A (https=)
BR (1) BR112023020254A2 (https=)
WO (1) WO2022221140A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024093233A (ja) * 2022-12-27 2024-07-09 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12581101B2 (en) * 2022-10-18 2026-03-17 Tencent America LLC Template matching refinement for affine motion
EP4398568A1 (en) * 2023-01-09 2024-07-10 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data
WO2024179598A1 (en) * 2023-03-02 2024-09-06 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210051329A1 (en) * 2018-01-25 2021-02-18 Wilus Institute Of Standards And Technology Inc. Method and apparatus for video signal processing using sub-block based motion compensation
WO2021041332A1 (en) * 2019-08-23 2021-03-04 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus on prediction refinement with optical flow
US20210203947A1 (en) * 2018-08-29 2021-07-01 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10701390B2 (en) * 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210051329A1 (en) * 2018-01-25 2021-02-18 Wilus Institute Of Standards And Technology Inc. Method and apparatus for video signal processing using sub-block based motion compensation
US20210203947A1 (en) * 2018-08-29 2021-07-01 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
JP2021536686A (ja) * 2018-08-29 2021-12-27 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ベースのビデオ符号化のための適応動きベクトル精度
WO2021041332A1 (en) * 2019-08-23 2021-03-04 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus on prediction refinement with optical flow
JP2022536208A (ja) * 2019-08-23 2022-08-12 ベイジン、ターチア、インターネット、インフォメーション、テクノロジー、カンパニー、リミテッド Ｐｒｏｆの方法、コンピューティングデバイス、コンピュータ可読記憶媒体、およびプログラム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024093233A (ja) * 2022-12-27 2024-07-09 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
JP7827614B2 (ja) 2022-12-27 2026-03-10 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

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WO2022221140A1 (en) 2022-10-20
KR20230169960A (ko) 2023-12-18
EP4324206A1 (en) 2024-02-21
BR112023020254A2 (pt) 2023-11-21
TW202243480A (zh) 2022-11-01

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