JP7548928B2 - 対称的マージモード動きベクトル符号化 - Google Patents

対称的マージモード動きベクトル符号化 Download PDF

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JP7548928B2
JP7548928B2 JP2021555299A JP2021555299A JP7548928B2 JP 7548928 B2 JP7548928 B2 JP 7548928B2 JP 2021555299 A JP2021555299 A JP 2021555299A JP 2021555299 A JP2021555299 A JP 2021555299A JP 7548928 B2 JP7548928 B2 JP 7548928B2
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ヤン、フア
フ、ユーウェン
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ヴィド スケール 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
    • H04N19/513—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
    • H04N19/46—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
    • H04N19/10—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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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

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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)
JP2021555299A 2019-03-11 2020-03-11 対称的マージモード動きベクトル符号化 Active JP7548928B2 (ja)

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US201962816586P 2019-03-11 2019-03-11
US62/816,586 2019-03-11
PCT/US2020/022139 WO2020185925A1 (en) 2019-03-11 2020-03-11 Symmetric merge mode motion vector coding

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JP2022525401A5 JP2022525401A5 (https=) 2023-03-22
JP7548928B2 true JP7548928B2 (ja) 2024-09-10

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US (2) US11979595B2 (https=)
EP (1) EP3939303A1 (https=)
JP (2) JP7548928B2 (https=)
CN (2) CN119364011A (https=)
MX (1) MX2021010830A (https=)
WO (1) WO2020185925A1 (https=)

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WO2020173477A1 (en) * 2019-02-27 2020-09-03 Beijing Bytedance Network Technology Co., Ltd. Regression-based motion vector field based sub-block motion vector derivation
CN114270862A (zh) * 2019-09-03 2022-04-01 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法和解码方法
US11412253B2 (en) * 2020-02-24 2022-08-09 Alibaba Group Holding Limited Methods for combining decoder side motion vector refinement with wrap-around motion compensation
US12120290B2 (en) * 2021-09-17 2024-10-15 Tencent America LLC Method and apparatus for intra block copy mode coding with search range switching
GB2611323B (en) * 2021-09-29 2026-02-18 Canon Kk Video coding and decoding
EP4409907A1 (en) 2021-09-29 2024-08-07 Canon Kabushiki Kaisha Video coding and decoding
US12101502B2 (en) * 2021-11-19 2024-09-24 Tencent America LLC Methods and devices for refining motion vector candidates
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
US12587635B2 (en) * 2022-06-17 2026-03-24 Tencent America LLC Affine merge mode with translational motion vectors

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WO2012121808A1 (en) 2011-03-08 2012-09-13 Qualcomm Incorporated MOTION VECTOR PREDICTORS (MVPs) FOR BI-PREDICTIVE INTER MODE IN VIDEO CODING
WO2017036414A1 (en) 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of decoder side motion derivation for video coding
WO2018097693A2 (ko) 2016-11-28 2018-05-31 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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US10075733B2 (en) * 2011-09-29 2018-09-11 Sharp Kabushiki Kaisha Image decoding device, image decoding method, and image encoding device
JP6149151B2 (ja) * 2013-04-02 2017-06-14 ヴィド スケール インコーポレイテッド スケーラブルビデオコーディングのための拡張時間的動きベクトル予測
WO2017147765A1 (en) 2016-03-01 2017-09-08 Mediatek Inc. Methods for affine motion compensation
US10560712B2 (en) * 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
US10701390B2 (en) * 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation
US10595035B2 (en) * 2017-03-22 2020-03-17 Qualcomm Incorporated Constraining motion vector information derived by decoder-side motion vector derivation
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
WO2019234578A1 (en) * 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Asymmetric weighted bi-predictive merges
WO2020156516A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
EP4679827A3 (en) * 2019-02-20 2026-01-28 Beijing Dajia Internet Information Technology Co., Ltd. Constrained motion vector derivation for long-term reference pictures in video coding
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
CN111277838B (zh) * 2020-02-17 2022-10-14 腾讯科技（深圳）有限公司 编码模式选择方法、装置、电子设备及计算机可读介质
US20230156181A1 (en) * 2021-11-17 2023-05-18 Mediatek Inc. Methods and Apparatuses for a High-throughput Video Encoder or Decoder

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2012121808A1 (en) 2011-03-08 2012-09-13 Qualcomm Incorporated MOTION VECTOR PREDICTORS (MVPs) FOR BI-PREDICTIVE INTER MODE IN VIDEO CODING
WO2017036414A1 (en) 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of decoder side motion derivation for video coding
WO2018097693A2 (ko) 2016-11-28 2018-05-31 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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US20240292018A1 (en) 2024-08-29
US11979595B2 (en) 2024-05-07
EP3939303A1 (en) 2022-01-19
CN113728643B (zh) 2024-11-26
WO2020185925A1 (en) 2020-09-17
MX2021010830A (es) 2021-12-15
CN119364011A (zh) 2025-01-24
JP2024167336A (ja) 2024-12-03
US20220182657A1 (en) 2022-06-09
CN113728643A (zh) 2021-11-30
JP2022525401A (ja) 2022-05-13

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