KR20230169960A - 비디오 코딩을 위한 템플릿 매칭 기반 아핀 예측 - Google Patents

비디오 코딩을 위한 템플릿 매칭 기반 아핀 예측 Download PDF

Info

Publication number
KR20230169960A
KR20230169960A KR1020237033960A KR20237033960A KR20230169960A KR 20230169960 A KR20230169960 A KR 20230169960A KR 1020237033960 A KR1020237033960 A KR 1020237033960A KR 20237033960 A KR20237033960 A KR 20237033960A KR 20230169960 A KR20230169960 A KR 20230169960A
Authority
KR
South Korea
Prior art keywords
block
template
current
video data
prediction
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
KR1020237033960A
Other languages
English (en)
Korean (ko)
Inventor
춘-치 천
한 황
지 장
야오-젠 창
얀 장
바딤 세레긴
마르타 카르체비츠
Original Assignee
퀄컴 인코포레이티드
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
Priority claimed from US17/715,571 external-priority patent/US11936877B2/en
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20230169960A publication Critical patent/KR20230169960A/ko
Pending legal-status Critical Current

Links

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
    • H04N19/50—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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237033960A 2021-04-12 2022-04-08 비디오 코딩을 위한 템플릿 매칭 기반 아핀 예측 Pending KR20230169960A (ko)

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 (1)

Publication Number Publication Date
KR20230169960A true KR20230169960A (ko) 2023-12-18

Family

ID=81448440

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237033960A Pending KR20230169960A (ko) 2021-04-12 2022-04-08 비디오 코딩을 위한 템플릿 매칭 기반 아핀 예측

Country Status (5)

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

Families Citing this family (4)

* 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
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
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

Family Cites Families (4)

* 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
CN118042153A (zh) * 2018-01-25 2024-05-14 三星电子株式会社 使用基于子块的运动补偿进行视频信号处理的方法和装置
WO2020047132A1 (en) * 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
MX2022002254A (es) * 2019-08-23 2022-03-22 Beijing Dajia Internet Information Tech Co Ltd Metodo y aparato en refinamiento de prediccion con flujo optico.

Also Published As

Publication number Publication date
WO2022221140A1 (en) 2022-10-20
JP2024514113A (ja) 2024-03-28
EP4324206A1 (en) 2024-02-21
BR112023020254A2 (pt) 2023-11-21
TW202243480A (zh) 2022-11-01

Similar Documents

Publication Publication Date Title
US11936877B2 (en) Template matching based affine prediction for video coding
JP2024514103A (ja) インター予測モードにおけるテンプレートマッチングの改善
US12212736B2 (en) Using unrefined motion vectors for performing decoder-side motion vector derivation
US20230094825A1 (en) Motion vector difference sign prediction for video coding
US20190313115A1 (en) Decoder-side motion vector derivation for video coding
CN117529921A (zh) 视频译码中的混合帧间双预测
CN112534820B (zh) 信令通知子预测单元运动矢量预测器
US12250395B2 (en) Interaction between reference picture resampling and template-based inter prediction techniques in video coding
KR20230169960A (ko) 비디오 코딩을 위한 템플릿 매칭 기반 아핀 예측
US12610056B2 (en) Decoder side motion vector refinement for affine motion model
JP2024501137A (ja) ビデオコーディングにおけるテンプレートマッチング
EP4409877A1 (en) Decoder side motion derivation using spatial correlation
US11528504B2 (en) Motion vector prediction with motion information collecting buffer
EP4646846A1 (en) Template matching for flipped intra block copy
US20200267415A1 (en) Chroma deblocking filter for intra block copy mode for video coding
CA3227446A1 (en) Adaptive bilateral matching for decoder side motion vector refinement for video coding
CN116888964A (zh) 利用非相邻候选和高级运动向量预测器（amvp）索引信令的基于模板匹配的amvp候选列表构建
TW202232951A (zh) 多通路解碼器側運動向量細化
CN116636213A (zh) 视频译码中的模板匹配
TWI913451B (zh) 用於視訊譯碼的基於範本匹配的仿射預測
US12615373B2 (en) Decoder-side control point motion vector refinement for affine inter-prediction in video coding
US20240121399A1 (en) Decoder-side control point motion vector refinement for affine inter-prediction in video coding
CN117203966A (zh) 用于视频译码的基于模板匹配的仿射预测
WO2024196652A1 (en) Cascading and parallel processing of affine dmvr video coding tools
EP4681426A1 (en) Cascading and parallel processing of affine dmvr video coding tools

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20231004

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20250324

Comment text: Request for Examination of Application