TWI835958B - 對稱運動向量差寫碼的裝置及方法 - Google Patents

對稱運動向量差寫碼的裝置及方法 Download PDF

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Publication number
TWI835958B
TWI835958B TW108147006A TW108147006A TWI835958B TW I835958 B TWI835958 B TW I835958B TW 108147006 A TW108147006 A TW 108147006A TW 108147006 A TW108147006 A TW 108147006A TW I835958 B TWI835958 B TW I835958B
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Taiwan
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video block
smvd
mvd
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TW108147006A
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TW202038626A (zh
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羅健聰
修曉宇
賀玉文
楊華
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美商Vid衡器股份有限公司
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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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/134—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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW108147006A 2018-12-21 2019-12-20 對稱運動向量差寫碼的裝置及方法 TWI835958B (zh)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US201862783437P 2018-12-21 2018-12-21
US62/783,437 2018-12-21
US201962787321P 2019-01-01 2019-01-01
US62/787,321 2019-01-01
US201962792710P 2019-01-15 2019-01-15
US62/792,710 2019-01-15
US201962798674P 2019-01-30 2019-01-30
US62/798,674 2019-01-30
US201962809308P 2019-02-22 2019-02-22
US62/809,308 2019-02-22

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TW202038626A TW202038626A (zh) 2020-10-16
TWI835958B true TWI835958B (zh) 2024-03-21

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EP (2) EP4576783A3 (OSRAM)
JP (2) JP7697882B2 (OSRAM)
KR (2) KR20260055522A (OSRAM)
CN (3) CN113615186B (OSRAM)
FI (1) FI3900343T3 (OSRAM)
IL (2) IL310462B2 (OSRAM)
TW (2) TWI835958B (OSRAM)
WO (1) WO2020132272A1 (OSRAM)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201705749D0 (en) * 2017-04-10 2017-05-24 Nchain Holdings Ltd Computer-implemented system and method
TWI731345B (zh) 2018-06-19 2021-06-21 大陸商北京字節跳動網絡技術有限公司 模式相依運動向量差精確集
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
CN119815033A (zh) * 2018-12-29 2025-04-11 华为技术有限公司 帧间预测方法、装置以及相应的编码器和解码器
WO2020150080A1 (en) * 2019-01-14 2020-07-23 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction
US11025936B2 (en) * 2019-01-25 2021-06-01 Tencent America LLC Method and apparatus for video coding
CN120980252A (zh) * 2019-01-31 2025-11-18 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
CN118118659A (zh) 2019-01-31 2024-05-31 北京字节跳动网络技术有限公司 记录仿射模式自适应运动矢量分辨率的上下文
CN113383548B (zh) * 2019-02-03 2026-02-27 北京字节跳动网络技术有限公司 Mv精度和mv差编解码之间的相互作用
CN113424538B (zh) 2019-02-14 2025-09-16 北京字节跳动网络技术有限公司 解码器侧细化工具的选择性应用
KR102928235B1 (ko) * 2019-03-08 2026-02-19 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
PL3932070T3 (pl) * 2019-04-28 2026-01-19 Beijing Bytedance Network Technology Co., Ltd. Kodowanie różnicowe symetrycznego wektora ruchu
SG11202112279WA (en) 2019-05-11 2021-12-30 Beijing Bytedance Network Technology Co Ltd Selective use of coding tools in video processing
CN114009033A (zh) * 2019-05-30 2022-02-01 北京达佳互联信息技术有限公司 用于用信号通知对称运动矢量差模式的方法和装置
CN119729014A (zh) * 2019-06-13 2025-03-28 Lg电子株式会社 图像编码/解码设备以及用于发送图像的数据的设备
ES3065915T3 (en) * 2019-06-14 2026-05-08 Lg Electronics Inc Method and device for image coding using motion vector differences
KR102708635B1 (ko) * 2019-06-24 2024-09-24 엘지전자 주식회사 움직임 벡터 차분들을 이용한 영상 코딩 방법 및 장치
JP7342153B2 (ja) * 2019-06-24 2023-09-11 エルジー エレクトロニクス インコーポレイティド 動きベクトルを用いた画像コーディング方法および装置
CA3239406A1 (en) * 2019-06-24 2020-12-30 Lg Electronics Inc. Inter prediction-based image coding method and apparatus
US12101502B2 (en) * 2021-11-19 2024-09-24 Tencent America LLC Methods and devices for refining motion vector candidates
US11943448B2 (en) * 2021-11-22 2024-03-26 Tencent America LLC Joint coding of motion vector difference
US12160564B2 (en) * 2022-04-11 2024-12-03 Tencent America LLC Bilateral matching with affine motion
US12388977B2 (en) * 2022-04-25 2025-08-12 Tencent America LLC Affine models use in affine bilateral matching
US20230396797A1 (en) * 2022-06-06 2023-12-07 Tencent America LLC Translational motion vector coding in affine mode
US12513326B2 (en) * 2023-02-01 2025-12-30 Tencent America LLC Method and apparatus for signaling for compound inter prediction modes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170094305A1 (en) * 2015-09-28 2017-03-30 Qualcomm Incorporated Bi-directional optical flow for video coding
US20180278949A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
TW201840190A (zh) * 2017-03-16 2018-11-01 聯發科技股份有限公司 用於視訊編解碼的基於雙向光流的運動細化的方法及裝置
WO2018212110A1 (ja) * 2017-05-19 2018-11-22 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 符号化装置、復号装置、符号化方法及び復号方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9503720B2 (en) 2012-03-16 2016-11-22 Qualcomm Incorporated Motion vector coding and bi-prediction in HEVC and its extensions
US9615090B2 (en) 2012-12-28 2017-04-04 Qualcomm Incorporated Parsing syntax elements in three-dimensional video coding
CN107431817B (zh) * 2015-01-29 2020-03-24 Vid拓展公司 用于调色板译码的方法及装置
US10306240B2 (en) * 2015-06-08 2019-05-28 Vid Scale, Inc. Intra block copy mode for screen content coding
US20180249172A1 (en) * 2015-09-02 2018-08-30 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
CN108886619A (zh) 2016-01-07 2018-11-23 联发科技股份有限公司 用于视频编解码系统的仿射合并模式预测的方法及装置
KR102480191B1 (ko) * 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
CN116866593A (zh) * 2016-11-28 2023-10-10 韩国电子通信研究院 对图像编码/解码的方法和设备及存储比特流的记录介质
US10931969B2 (en) * 2017-01-04 2021-02-23 Qualcomm Incorporated Motion vector reconstructions for bi-directional optical flow (BIO)
CN107123128B (zh) * 2017-04-24 2019-07-16 南京邮电大学 一种保证准确性的车辆运动状态估计方法
KR102523002B1 (ko) * 2017-12-14 2023-04-18 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측에 따른 영상 디코딩 방법 및 장치
CN108256511B (zh) * 2018-03-15 2022-03-29 太原理工大学 基于视频编码码流的人体运动检测方法
KR102635047B1 (ko) * 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
CN113273209B (zh) * 2018-12-17 2024-09-27 交互数字Vc控股公司 Mmvd和smvd与运动和预测模型的组合

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170094305A1 (en) * 2015-09-28 2017-03-30 Qualcomm Incorporated Bi-directional optical flow for video coding
TW201840190A (zh) * 2017-03-16 2018-11-01 聯發科技股份有限公司 用於視訊編解碼的基於雙向光流的運動細化的方法及裝置
US20180278949A1 (en) * 2017-03-22 2018-09-27 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
WO2018212110A1 (ja) * 2017-05-19 2018-11-22 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 符号化装置、復号装置、符号化方法及び復号方法

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FI3900343T3 (fi) 2025-07-30
US20230125740A1 (en) 2023-04-27
EP3900343A1 (en) 2021-10-27
KR102954017B1 (ko) 2026-04-20
TW202038626A (zh) 2020-10-16
CN118433391A (zh) 2024-08-02
IL284179B1 (en) 2024-02-01
CN113615186B (zh) 2024-05-10
CN118433390A (zh) 2024-08-02
US11546604B2 (en) 2023-01-03
TWI911646B (zh) 2026-01-11
KR20260055522A (ko) 2026-04-23
JP2025081627A (ja) 2025-05-27
JP7697882B2 (ja) 2025-06-24
IL284179B2 (en) 2024-06-01
US12095998B2 (en) 2024-09-17
EP3900343B1 (en) 2025-06-18
IL310462B2 (en) 2025-07-01
IL310462B1 (en) 2025-03-01
US20240406406A1 (en) 2024-12-05
IL284179A (en) 2021-08-31
IL310462A (en) 2024-03-01
EP4576783A2 (en) 2025-06-25
TW202435617A (zh) 2024-09-01
EP4576783A3 (en) 2025-08-13
CN113615186A (zh) 2021-11-05
US20220150505A1 (en) 2022-05-12
JP2022516433A (ja) 2022-02-28
WO2020132272A1 (en) 2020-06-25
KR20210113187A (ko) 2021-09-15

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