CN114402617A - 利用矢量裁剪的仿射译码 - Google Patents

利用矢量裁剪的仿射译码 Download PDF

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Publication number
CN114402617A
CN114402617A CN202080065276.1A CN202080065276A CN114402617A CN 114402617 A CN114402617 A CN 114402617A CN 202080065276 A CN202080065276 A CN 202080065276A CN 114402617 A CN114402617 A CN 114402617A
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China
Prior art keywords
motion vector
block
affine
value
current coding
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CN202080065276.1A
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English (en)
Chinese (zh)
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D·鲁萨诺夫斯基
M·卡切夫维茨
Y·张
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Qualcomm Inc
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/563Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree 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)
CN202080065276.1A 2019-09-29 2020-09-28 利用矢量裁剪的仿射译码 Pending CN114402617A (zh)

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

Publications (1)

Publication Number Publication Date
CN114402617A true CN114402617A (zh) 2022-04-26

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CN202080065276.1A Pending CN114402617A (zh) 2019-09-29 2020-09-28 利用矢量裁剪的仿射译码

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

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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
CN118413642A (zh) * 2018-05-10 2024-07-30 三星电子株式会社 视频解码方法、视频编码设备以及存储比特流的方法
KR102779596B1 (ko) * 2019-09-30 2025-03-10 후아웨이 테크놀러지 컴퍼니 리미티드 Dct 기반 보간 필터의 사용
WO2020251415A2 (en) * 2019-09-30 2020-12-17 Huawei Technologies Co., Ltd. Interpolation filter for an inter prediction apparatus and method for video coding
CN114450958B (zh) 2019-09-30 2023-08-22 华为技术有限公司 用于减小增强插值滤波器的内存带宽的仿射运动模型限制
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
CN116097649B (zh) 2021-09-06 2026-03-13 辉达公司 无滤波相依性的视频帧的并行编码
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
US12316863B2 (en) 2023-04-18 2025-05-27 Nvidia Corporation Chroma-from-luma mode selection 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
EP4723623A1 (en) * 2024-10-03 2026-04-08 InterDigital CE Patent Holdings, SAS Rate-distortion optimization with motion information

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CN1791221A (zh) * 2005-12-29 2006-06-21 北京中星微电子有限公司 一种基于动态图像实现视频编码防抖的方法及编码器
CN102088611A (zh) * 2011-03-10 2011-06-08 上海交通大学 基于h.264标准运动矢量的脆弱性水印嵌入和提取方法

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EP4661401A3 (en) * 2016-02-03 2026-02-25 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image coding device, and prediction image generation device
CA3105072A1 (en) * 2018-06-29 2020-01-02 Vid Scale, Inc. Adaptive control point selection for affine motion model based video coding
US11736713B2 (en) * 2018-11-14 2023-08-22 Tencent America LLC Constraint on affine model motion vector
CN113196771B (zh) * 2018-12-21 2023-12-22 北京字节跳动网络技术有限公司 基于运动矢量精度的运动矢量范围
US10904550B2 (en) * 2019-01-12 2021-01-26 Tencent America LLC Method and apparatus for video coding

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CN1791221A (zh) * 2005-12-29 2006-06-21 北京中星微电子有限公司 一种基于动态图像实现视频编码防抖的方法及编码器
CN102088611A (zh) * 2011-03-10 2011-06-08 上海交通大学 基于h.264标准运动矢量的脆弱性水印嵌入和提取方法

Non-Patent Citations (1)

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JINGYA LI等: "CE2: Memory bandwidth reduction for affine mode (test 2.4.2)", JVET OF ITU-T SG 16 WP 3 AND ISO/IEC JTC 1/SC 29/WG 11, no. 0309, 18 January 2019 (2019-01-18), pages 4 - 5 *

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EP4035395A1 (en) 2022-08-03
JP2022548990A (ja) 2022-11-22
AU2020353234A1 (en) 2022-03-17
US20210099729A1 (en) 2021-04-01
WO2021062401A1 (en) 2021-04-01
KR20220064970A (ko) 2022-05-19
US11317111B2 (en) 2022-04-26

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