JP7395497B2 - コード化／復号化におけるデータ依存関係 - Google Patents

コード化／復号化におけるデータ依存関係 Download PDF

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JP7395497B2
JP7395497B2 JP2020555401A JP2020555401A JP7395497B2 JP 7395497 B2 JP7395497 B2 JP 7395497B2 JP 2020555401 A JP2020555401 A JP 2020555401A JP 2020555401 A JP2020555401 A JP 2020555401A JP 7395497 B2 JP7395497 B2 JP 7395497B2
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motion vector
information
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video block
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JP2021521692A (ja
JP2021521692A5 (https=
JPWO2019217095A5 (https=
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ロベール，アントワーヌ
ルリアネック，ファブリス
ギャルピン，フランク
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/42—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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/70—Methods 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
    • 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
    • H04N19/90—Methods 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
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020555401A 2018-05-07 2019-04-26 コード化／復号化におけるデータ依存関係 Active JP7395497B2 (ja)

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JP2023202231A JP2024023456A (ja) 2018-05-07 2023-11-29 コード化／復号化におけるデータ依存関係

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305567.2 2018-05-07
EP18305567 2018-05-07
EP18305852.8 2018-07-02
EP18305852.8A EP3591974A1 (en) 2018-07-02 2018-07-02 Data dependency in encoding/decoding
PCT/US2019/029305 WO2019217095A1 (en) 2018-05-07 2019-04-26 Data dependency in encoding/decodiing

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JP2021521692A JP2021521692A (ja) 2021-08-26
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US (2) US20210076058A1 (https=)
EP (1) EP3791581A1 (https=)
JP (2) JP7395497B2 (https=)
KR (1) KR20210006355A (https=)
CN (3) CN119676445A (https=)
BR (1) BR112020022234A2 (https=)
WO (1) WO2019217095A1 (https=)

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KR102819167B1 (ko) * 2018-05-28 2025-06-12 인터디지털 브이씨 홀딩스 인코포레이티드 코딩/디코딩에서의 데이터 종속
BR112023014624A2 (pt) * 2021-01-29 2023-10-31 Qualcomm Inc Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo
WO2023090613A1 (ko) 2021-11-19 2023-05-25 현대자동차주식회사 템플릿 매칭 기반의 인트라 예측을 사용하는 비디오 코딩을 위한 방법 및 장치
CN115278260B (zh) * 2022-07-15 2024-11-19 重庆邮电大学 基于空时域特性的vvc快速cu划分方法及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180041769A1 (en) 2016-08-08 2018-02-08 Mediatek Inc. Pattern-based motion vector derivation for video coding
US20200186827A1 (en) 2017-09-26 2020-06-11 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
US20200374513A1 (en) 2018-03-30 2020-11-26 Vid Scale, Inc. Template-based inter prediction techniques based on encoding and decoding latency reduction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070044455A (ko) * 2004-07-20 2007-04-27 콸콤 인코포레이티드 비디오 압축에 대한 인코더 보조-프레임 레이트 업컨버젼(ｅａ-ｆｒｕｃ)을 위한 방법 및 장치
US9083983B2 (en) * 2011-10-04 2015-07-14 Qualcomm Incorporated Motion vector predictor candidate clipping removal for video coding
PL400344A1 (pl) * 2012-08-13 2014-02-17 Politechnika Poznanska Sposób wyznaczania predyktora wektora ruchu
CN105052134B (zh) * 2012-10-01 2019-09-03 Ge视频压缩有限责任公司 一种可伸缩视频编解码方法及计算机可读存储介质
US9762927B2 (en) * 2013-09-26 2017-09-12 Qualcomm Incorporated Sub-prediction unit (PU) based temporal motion vector prediction in HEVC and sub-PU design in 3D-HEVC
SG11201703454XA (en) * 2014-11-18 2017-06-29 Mediatek Inc Method of bi-prediction video coding based on motion vectors from uni-prediction and merge candidate
US9948930B2 (en) * 2016-05-17 2018-04-17 Arris Enterprises Llc Template matching for JVET intra prediction
CN115914625B (zh) * 2016-08-01 2025-07-11 韩国电子通信研究院 图像编码/解码方法
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
US10785494B2 (en) * 2017-10-11 2020-09-22 Qualcomm Incorporated Low-complexity design for FRUC

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180041769A1 (en) 2016-08-08 2018-02-08 Mediatek Inc. Pattern-based motion vector derivation for video coding
US20200186827A1 (en) 2017-09-26 2020-06-11 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
JP2021048619A (ja) 2017-09-26 2021-03-25 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置及び符号化方法
US20200374513A1 (en) 2018-03-30 2020-11-26 Vid Scale, Inc. Template-based inter prediction techniques based on encoding and decoding latency reduction
JP2021518059A (ja) 2018-03-30 2021-07-29 ヴィド スケール インコーポレイテッド エンコーディングおよびデコーディングのレイテンシ低減に基づく、テンプレートによるインター予測技術

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Publication number Publication date
BR112020022234A2 (pt) 2021-02-02
CN119545000A (zh) 2025-02-28
CN119676445A (zh) 2025-03-21
JP2021521692A (ja) 2021-08-26
EP3791581A1 (en) 2021-03-17
CN112088532A (zh) 2020-12-15
US20210076058A1 (en) 2021-03-11
JP2024023456A (ja) 2024-02-21
CN112088532B (zh) 2025-01-03
US20230097304A1 (en) 2023-03-30
KR20210006355A (ko) 2021-01-18
WO2019217095A8 (en) 2020-11-26
WO2019217095A1 (en) 2019-11-14

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