KR102675747B1 - 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 - Google Patents

부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 Download PDF

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KR102675747B1
KR102675747B1 KR1020197037812A KR20197037812A KR102675747B1 KR 102675747 B1 KR102675747 B1 KR 102675747B1 KR 1020197037812 A KR1020197037812 A KR 1020197037812A KR 20197037812 A KR20197037812 A KR 20197037812A KR 102675747 B1 KR102675747 B1 KR 102675747B1
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motion vector
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encoding
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KR20200020721A (ko
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기요후미 아베
다카히로 니시
다다마사 도마
류이치 가노
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파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카
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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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/132—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
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/50—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
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020197037812A 2017-06-26 2018-06-19 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 Active KR102675747B1 (ko)

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US201762525004P 2017-06-26 2017-06-26
US62/525,004 2017-06-26
PCT/JP2018/023207 WO2019003993A1 (ja) 2017-06-26 2018-06-19 符号化装置、復号装置、符号化方法及び復号方法

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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102675747B1 (ko) * 2017-06-26 2024-06-18 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법
JP7390300B2 (ja) * 2017-11-01 2023-12-01 ヴィド スケール インコーポレイテッド ビデオコーディングにおける適応ループフィルタを簡略化する方法
CN108322742B (zh) * 2018-02-11 2019-08-16 北京大学深圳研究生院 一种基于帧内预测的点云属性压缩方法
US11030777B2 (en) * 2018-09-14 2021-06-08 Sony Group Corporation Adaptive subband coding for lifting transform
GB2577318B (en) * 2018-09-21 2021-03-10 Canon Kk Video coding and decoding
US11330283B2 (en) * 2019-02-01 2022-05-10 Tencent America LLC Method and apparatus for video coding
EP3959873A4 (en) * 2019-04-25 2022-08-10 OP Solutions, LLC EFFICIENT CODING OF GLOBAL MOTION VECTORS
MX2022008330A (es) * 2020-02-13 2022-08-08 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion, metodo de decodificacion y medio.
BR112022013058A2 (pt) * 2020-03-25 2022-10-11 Panasonic Ip Corp America Codificador, decodificador, método de codificação e método de decodificação
US11983846B2 (en) * 2020-05-13 2024-05-14 Qualcomm Incorporated Machine learning based image adjustment
US11967118B1 (en) * 2020-11-30 2024-04-23 Amazon Technologies, Inc. Hybrid codec
US11995871B1 (en) 2020-11-30 2024-05-28 Amazon Technologies, Inc. Lossy block repair
CN114282648B (zh) * 2021-12-10 2026-03-10 中国联合网络通信集团有限公司 一种流量预测方法、装置及存储介质
CN114339231B (zh) * 2021-12-27 2023-10-27 杭州当虹科技股份有限公司 利用运动矢量快速跳Cu级模式选择的方法
CN116156167B (zh) * 2022-03-04 2024-10-29 杭州海康威视数字技术股份有限公司 一种残差跳过编解码方法及装置
CN120391054A (zh) * 2022-12-22 2025-07-29 字节跳动有限公司 用于视频处理的方法、装置和介质

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005348093A (ja) * 2004-06-03 2005-12-15 Sony Corp 画像処理装置、そのプログラムおよびその方法
KR101791242B1 (ko) * 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
KR101791078B1 (ko) * 2010-04-16 2017-10-30 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
MX355733B (es) * 2010-06-10 2018-04-27 Thomson Licensing Métodos y aparatos para determinar predictores de parametro de cuantificación a partir de una pluralidad de parametros de cuantificación contiguos.
MX2013005754A (es) * 2010-11-25 2013-08-01 Lg Electronics Inc Metodo para señalizar informacion de imagen, y metodo para decodificar informacion de imagen utilizando el mismo.
CN103609120B (zh) * 2011-06-30 2016-09-28 Jvc建伍株式会社 图像解码装置、图像解码方法
US9456214B2 (en) 2011-08-03 2016-09-27 Sun Patent Trust Moving picture coding method, moving picture coding apparatus, moving picture decoding method, moving picture decoding apparatus, and moving picture coding and decoding apparatus
PL3754982T3 (pl) * 2011-09-29 2024-09-02 Sharp Kabushiki Kaisha Urządzenie do dekodowania obrazu, sposób dekodowania obrazu, sposób kodowania obrazu i urządzenie kodowania obrazu do realizowania konwersji bipredykcyjnej na unipredykcyjną
KR101830352B1 (ko) * 2011-11-09 2018-02-21 에스케이 텔레콤주식회사 스킵모드를 이용한 동영상 부호화 및 복호화 방법 및 장치
US8982689B2 (en) * 2012-04-20 2015-03-17 Telefonaktiebolaget L M Ericsson (Publ) Split tiebreakers for 802.1AQ
JP2015519834A (ja) * 2012-07-09 2015-07-09 三菱電機株式会社 動きベクトル予測子リストを用いてビュー合成のためにマルチビュービデオを処理する方法及びシステム
US20140169452A1 (en) * 2012-12-14 2014-06-19 Electronics And Telecommunications Research Institute Video encoding method and apparatus using the same
WO2015006884A1 (en) * 2013-07-19 2015-01-22 Qualcomm Incorporated 3d video coding with partition-based depth inter coding
US10931969B2 (en) * 2017-01-04 2021-02-23 Qualcomm Incorporated Motion vector reconstructions for bi-directional optical flow (BIO)
WO2018163858A1 (ja) * 2017-03-10 2018-09-13 ソニー株式会社 画像処理装置および方法
US10523964B2 (en) * 2017-03-13 2019-12-31 Qualcomm Incorporated Inter prediction refinement based on bi-directional optical flow (BIO)
US10491917B2 (en) * 2017-03-22 2019-11-26 Qualcomm Incorporated Decoder-side motion vector derivation
US10904565B2 (en) * 2017-06-23 2021-01-26 Qualcomm Incorporated Memory-bandwidth-efficient design for bi-directional optical flow (BIO)
KR102675747B1 (ko) * 2017-06-26 2024-06-18 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEN J et al: "Algorithm description of Joint Exploration Test Model 6 (JEM6)", JVET-F1001, 2017.5.31.
Gray J. Sullivan et al: "Overview of the High Efficiency Video Coding (HEVC) Standard", IEEE Trans. on Cir. and Sys. For video tech., vol.22, no.12, 2012.12.1.

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CN113747174B (zh) 2023-11-28
US11350085B2 (en) 2022-05-31
TW202335507A (zh) 2023-09-01
US20200413043A1 (en) 2020-12-31
JPWO2019003993A1 (ja) 2019-12-26
KR20200020721A (ko) 2020-02-26
JP2022111281A (ja) 2022-07-29
JP2020184808A (ja) 2020-11-12
JP2024026793A (ja) 2024-02-28
CN110786011B (zh) 2021-09-24
US20200145651A1 (en) 2020-05-07
EP3627838B1 (en) 2024-10-09
US20230412795A1 (en) 2023-12-21
JP2025182011A (ja) 2025-12-11
US10812793B2 (en) 2020-10-20
TW202543283A (zh) 2025-11-01
TWI803420B (zh) 2023-05-21
TWI824971B (zh) 2023-12-01
TW202425646A (zh) 2024-06-16
JP7422811B2 (ja) 2024-01-26
CN113784144B (zh) 2023-11-28
JP7751050B2 (ja) 2025-10-07
US12238278B2 (en) 2025-02-25
TWI780006B (zh) 2022-10-01
CN113747174A (zh) 2021-12-03
CN113747173A (zh) 2021-12-03
EP4492789A1 (en) 2025-01-15
JP2024177390A (ja) 2024-12-19
US20250159134A1 (en) 2025-05-15
KR20240095362A (ko) 2024-06-25
US20220201289A1 (en) 2022-06-23
TW202224436A (zh) 2022-06-16
EP3627838A4 (en) 2020-04-08
TWI758500B (zh) 2022-03-21
JP7568875B2 (ja) 2024-10-16
CN113747173B (zh) 2023-12-01
CN113784144A (zh) 2021-12-10
TWI892305B (zh) 2025-08-01
WO2019003993A1 (ja) 2019-01-03
TW202249489A (zh) 2022-12-16
CN110786011A (zh) 2020-02-11
EP3627838A1 (en) 2020-03-25
US11785209B2 (en) 2023-10-10
TW201918072A (zh) 2019-05-01
JP7087030B2 (ja) 2022-06-20

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