JP2022548990A - ベクトルクリッピングを用いるアフィンコーディング - Google Patents

ベクトルクリッピングを用いるアフィンコーディング Download PDF

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JP2022548990A
JP2022548990A JP2022518301A JP2022518301A JP2022548990A JP 2022548990 A JP2022548990 A JP 2022548990A JP 2022518301 A JP2022518301 A JP 2022518301A JP 2022518301 A JP2022518301 A JP 2022518301A JP 2022548990 A JP2022548990 A JP 2022548990A
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motion vector
block
value
affine
current coding
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JP2022548990A5 (enExample
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ルサノフスキー、ドミトロ
カルチェビチ、マルタ
ジャン、ヤン
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/527—Global motion vector estimation
    • 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
    • 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
    • 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
    • H04N19/132—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
    • H04N19/169—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
    • H04N19/50—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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • 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)
JP2022518301A 2019-09-29 2020-09-28 ベクトルクリッピングを用いるアフィンコーディング Pending JP2022548990A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962907664P 2019-09-29 2019-09-29
US62/907,664 2019-09-29
US201962910384P 2019-10-03 2019-10-03
US62/910,384 2019-10-03
US17/033,659 US11317111B2 (en) 2019-09-29 2020-09-25 Affine coding with vector clipping
US17/033,659 2020-09-25
PCT/US2020/053147 WO2021062401A1 (en) 2019-09-29 2020-09-28 Affine coding with vector clipping

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JP2022548990A true JP2022548990A (ja) 2022-11-22
JP2022548990A5 JP2022548990A5 (enExample) 2023-09-05

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US (1) US11317111B2 (enExample)
EP (1) EP4035395A1 (enExample)
JP (1) JP2022548990A (enExample)
KR (1) KR20220064970A (enExample)
CN (1) CN114402617A (enExample)
AU (1) AU2020353234A1 (enExample)
WO (1) WO2021062401A1 (enExample)

Cited By (1)

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JP2022550032A (ja) * 2019-09-30 2022-11-30 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限

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WO2019144908A1 (en) * 2018-01-26 2019-08-01 Mediatek Inc. Method and apparatus of affine inter prediction for video coding system
WO2019216716A2 (ko) * 2018-05-10 2019-11-14 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
CN114503559B (zh) * 2019-09-30 2023-10-20 华为技术有限公司 用于视频译码中的帧间预测装置和方法的插值滤波器
CN114503558B (zh) * 2019-09-30 2023-10-20 华为技术有限公司 插值滤波器在仿射运动补偿中的适应性使用
CN116076073B (zh) * 2021-09-02 2025-10-21 辉达公司 用于高性能视频编码的硬件编解码器加速器
WO2023029045A1 (en) 2021-09-06 2023-03-09 Nvidia Corporation Parallel encoding of video frames without filtering dependency
US12206861B2 (en) 2022-01-12 2025-01-21 Tencent America LLC Motion vector restriction for out-of-frame boundary conditions
US20240040142A1 (en) * 2022-07-26 2024-02-01 Tencent America LLC Method and apparatus for warp sample selection and grouping
US20250203075A1 (en) * 2022-09-09 2025-06-19 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for adaptive loop filtering
US12615374B2 (en) 2023-02-08 2026-04-28 Nvidia Corporation Context-aware quantization for high-performance video encoding
US12238335B2 (en) 2023-04-18 2025-02-25 Nvidia Corporation Efficient sub-pixel motion vector search for high-performance video encoding
US12316863B2 (en) 2023-04-18 2025-05-27 Nvidia Corporation Chroma-from-luma mode selection for high-performance video encoding
EP4723623A1 (en) * 2024-10-03 2026-04-08 InterDigital CE Patent Holdings, SAS Rate-distortion optimization with motion information

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JP2022550032A (ja) * 2019-09-30 2022-11-30 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限
JP7414127B2 (ja) 2019-09-30 2024-01-16 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 拡張補間フィルタのメモリ帯域幅削減のためのアフィン動きモデル制限
US12470754B2 (en) 2019-09-30 2025-11-11 Huawei Technologies Co., Ltd. Affine motion model restrictions for memory bandwidth reduction of enhanced interpolation filter

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US20210099729A1 (en) 2021-04-01
EP4035395A1 (en) 2022-08-03
US11317111B2 (en) 2022-04-26
AU2020353234A1 (en) 2022-03-17
KR20220064970A (ko) 2022-05-19
WO2021062401A1 (en) 2021-04-01
CN114402617A (zh) 2022-04-26

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