JP7652354B2 - デコーダ側動きベクトル洗練のための誤差面ベースのサブピクセル精度の洗練方法 - Google Patents

デコーダ側動きベクトル洗練のための誤差面ベースのサブピクセル精度の洗練方法 Download PDF

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JP7652354B2
JP7652354B2 JP2020572451A JP2020572451A JP7652354B2 JP 7652354 B2 JP7652354 B2 JP 7652354B2 JP 2020572451 A JP2020572451 A JP 2020572451A JP 2020572451 A JP2020572451 A JP 2020572451A JP 7652354 B2 JP7652354 B2 JP 7652354B2
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motion vector
integer
pixel
sub
refinement
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JP2021530144A (ja
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セツラマン，スリラム
ラジ エー，ジーヴァ
コテチャ，サガル
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Huawei Technologies Co Ltd
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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
    • H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020572451A 2018-07-02 2019-06-20 デコーダ側動きベクトル洗練のための誤差面ベースのサブピクセル精度の洗練方法 Active JP7652354B2 (ja)

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JP2023217242A JP2024038060A (ja) 2018-07-02 2023-12-22 デコーダ側動きベクトル洗練のための誤差面ベースのサブピクセル精度の洗練方法

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IN201831024666 2018-07-02
IN201831024666 2018-07-02
PCT/CN2019/092114 WO2020007199A1 (en) 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement

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JP2023217242A Pending JP2024038060A (ja) 2018-07-02 2023-12-22 デコーダ側動きベクトル洗練のための誤差面ベースのサブピクセル精度の洗練方法

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US (3) US11310521B2 (enExample)
EP (1) EP3794826A1 (enExample)
JP (2) JP7652354B2 (enExample)
KR (2) KR102568199B1 (enExample)
CN (3) CN115052162A (enExample)
BR (1) BR112020026988A2 (enExample)
MX (1) MX2020013844A (enExample)
MY (1) MY201618A (enExample)
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GB2563943B (en) * 2017-06-30 2021-02-24 Canon Kk Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
JP7242861B2 (ja) * 2018-09-04 2023-03-20 華為技術有限公司 二方向インター予測に適用される参照フレーム取得方法および装置
MY207229A (en) * 2019-02-28 2025-02-07 Huawei Tech Co Ltd An encoder, a decoder and corresponding methods for inter prediction
CN120455657A (zh) * 2019-03-08 2025-08-08 交互数字Vc控股公司 用于编码或解码的方法和装置
EP4557732A1 (en) * 2022-07-13 2025-05-21 LG Electronics Inc. Image coding/decoding method based on movement information refinement, method for transmitting bitstream, and recording medium storing bitstream
US20240223776A1 (en) * 2023-01-03 2024-07-04 Alibaba (China) Co., Ltd. Intra template matching prediction mode for motion prediction
US20250260831A1 (en) * 2024-02-14 2025-08-14 Tencent America LLC Implicit sub-pel position derivation for template matching-based intra prediction

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KR100746022B1 (ko) * 2005-06-14 2007-08-06 삼성전자주식회사 서브픽셀 움직임 추정시 모델 스위칭을 통한 압축 효율을증가시키는 인코딩 방법 및 장치
KR101403343B1 (ko) * 2007-10-04 2014-06-09 삼성전자주식회사 부화소 움직임 추정을 이용한 인터 예측 부호화, 복호화방법 및 장치
WO2009113787A2 (en) * 2008-03-09 2009-09-17 Lg Electronics Inc. A method and an apparatus for encoding or decoding a video signal
EP2362655B1 (en) * 2010-02-10 2013-07-17 Telefonaktiebolaget L M Ericsson (Publ) Motion-vector estimation
EP3314894B1 (en) * 2015-06-25 2024-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Refinement of a low-pel resolution motion estimation vector
EP3171595A1 (en) * 2015-11-18 2017-05-24 Thomson Licensing Enhanced search strategies for hierarchical motion estimation
KR102746463B1 (ko) * 2016-08-17 2024-12-23 세종대학교산학협력단 비디오 신호의 부호화 또는 복호화 방법 및 장치
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Title
Ｃｈｅｎｇ Ｄｕ ｅｔ ａｌ．， ＰＰＨＰＳ： ａ ｐａｒａｂｏｌｉｃ ｐｒｅｄｉｃｔｉｏｎ－ｂａｓｅｄ， ｆａｓｔ ｈａｌｆ－ｐｉｘｅｌ ｓｅａｒｃｈ ａｌｇｏｒｉｔｈｍ ｆｏｒ ｖｅｒｙ ｌｏｗ ｂｉｔ－ｒａｔｅ ｍｏｖｉｎｇ－ｐｉｃｔｕｒｅ ｃｏｄｉｎｇ， ＩＥＥＥ Ｔｒａｎｓａｃｔｉｏｎｓ ｏｎ Ｃｉｒｃｕｉｔｓ ａｎｄ Ｓｙｓｔｅｍｓ ｆｏｒ Ｖｉｄｅｏ Ｔｅｃｈｎｏｌｏｇｙ， Ｊｕｎｅ ２００３， ｖｏｌ．１３， Ｎｏ．６， ｐｐ．５１４－５１８
Ｆｅｎｇ Ｗｕ ｅｔ ａｌ．， Ｄｅｓｃｒｉｐｔｉｏｎ ｏｆ ＳＤＲ ｖｉｄｅｏ ｃｏｄｉｎｇ ｔｅｃｈｎｏｌｏｇｙ ｐｒｏｐｏｓａｌ ｂｙ Ｕｎｉｖｅｒｓｉｔｙ ｏｆ Ｓｃｉｅｎｃｅ ａｎｄ Ｔｅｃｈｎｏｌｏｇｙ ｏｆ Ｃｈｉｎａ， Ｐｅｋｉｎｇ Ｕｎｉｖｅｒｓｉｔｙ， Ｈａｒｂｉｎ Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｔｅｃｈｎｏｌｏｇｙ， ａｎｄ Ｗｕｈａｎ Ｕｎｉｖｅｒｓｉｔｙ （ＩＥＥＥ １８５７．１０ Ｓｔｕｄｙ Ｇｒｏｕｐ）， Ｊｏｉｎｔ Ｖｉｄｅｏ Ｅｘｐｅｒｔｓ Ｔｅａｍ （ＪＶＥＴ）， ２０１８－０４－１２， ［ＪＶＥＴ－Ｊ００３２－ｖ２］ （ｖｅｒｓｉｏｎ ４）， ｐｐ．９－１０

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US12003754B2 (en) 2024-06-04
WO2020007199A1 (en) 2020-01-09
JP2024038060A (ja) 2024-03-19
KR20210008046A (ko) 2021-01-20
CN115442619A (zh) 2022-12-06
KR20230122686A (ko) 2023-08-22
US12477142B2 (en) 2025-11-18
US20220132158A1 (en) 2022-04-28
JP2021530144A (ja) 2021-11-04
CN112292861B (zh) 2022-05-17
CN115052162A (zh) 2022-09-13
US20240364914A1 (en) 2024-10-31
KR102568199B1 (ko) 2023-08-22
US20210076059A1 (en) 2021-03-11
KR102701434B1 (ko) 2024-09-04
EP3794826A4 (en) 2021-03-24
EP3794826A1 (en) 2021-03-24
MX2020013844A (es) 2021-03-25
CN115442619B (zh) 2025-01-07
BR112020026988A2 (pt) 2021-03-30
US11310521B2 (en) 2022-04-19
SG11202011320SA (en) 2020-12-30
MY201618A (en) 2024-03-05
CN112292861A (zh) 2021-01-29

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