TWI904088B - 用於視訊寫碼之以梯度為基礎之預測精細化 - Google Patents

用於視訊寫碼之以梯度為基礎之預測精細化

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Publication number
TWI904088B
TWI904088B TW109116300A TW109116300A TWI904088B TW I904088 B TWI904088 B TW I904088B TW 109116300 A TW109116300 A TW 109116300A TW 109116300 A TW109116300 A TW 109116300A TW I904088 B TWI904088 B TW I904088B
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Taiwan
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prediction
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horizontal
samples
gradient
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TW109116300A
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TW202101996A (zh
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黃漢
錢威俊
馬塔 卡茲維克茲
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美商高通公司
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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • 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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence 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
    • H04N19/10—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
    • H04N19/176—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
    • H04N19/50—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
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • 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
    • H04N19/90—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)
TW109116300A 2019-05-17 2020-05-15 用於視訊寫碼之以梯度為基礎之預測精細化 TWI904088B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962849352P 2019-05-17 2019-05-17
US62/849,352 2019-05-17
US16/874,057 2020-05-14
US16/874,057 US11317088B2 (en) 2019-05-17 2020-05-14 Gradient-based prediction refinement for video coding

Publications (2)

Publication Number Publication Date
TW202101996A TW202101996A (zh) 2021-01-01
TWI904088B true TWI904088B (zh) 2025-11-11

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Country Link
US (1) US11317088B2 (https=)
EP (1) EP3970370A1 (https=)
JP (2) JP7691936B2 (https=)
KR (1) KR20220009384A (https=)
CN (1) CN113950839B (https=)
BR (1) BR112021022331A2 (https=)
CA (1) CA3137462A1 (https=)
CO (1) CO2021015352A2 (https=)
IL (1) IL287257B2 (https=)
MX (1) MX2021014018A (https=)
SG (1) SG11202111550WA (https=)
TW (1) TWI904088B (https=)
WO (1) WO2020236568A1 (https=)

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US11962796B2 (en) 2019-04-01 2024-04-16 Qualcomm Incorporated Gradient-based prediction refinement for video coding
JP2021048514A (ja) * 2019-09-19 2021-03-25 シャープ株式会社 動画像符号化装置、動画像復号装置、予測画像生成方法
WO2021054886A1 (en) * 2019-09-20 2021-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus
US20220337865A1 (en) * 2019-09-23 2022-10-20 Sony Group Corporation Image processing device and image processing method
WO2022197137A1 (ko) * 2021-03-19 2022-09-22 현대자동차주식회사 성분별 적응적 공간해상도를 갖는 움직임벡터를 이용하는 비디오 코딩방법 및 장치
JP2024511887A (ja) * 2021-04-02 2024-03-15 ヒョンダイ モーター カンパニー 適応的イントラ予測精度を用いるビデオコーディング方法及び装置
CN114079792A (zh) * 2021-07-22 2022-02-22 珠海市杰理科技股份有限公司 视频编码参考块的压缩方法、编码方法和装置
KR20250093492A (ko) * 2022-10-21 2025-06-24 인터디지털 씨이 페이튼트 홀딩스, 에스에이에스 낮은 복잡성 모션 정제
CN121844566A (zh) * 2023-09-13 2026-04-10 三星电子株式会社 用于通过使用帧内预测对图像进行编码和解码的设备和方法

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Publication number Publication date
JP2025087703A (ja) 2025-06-10
US11317088B2 (en) 2022-04-26
EP3970370A1 (en) 2022-03-23
CN113950839B (zh) 2025-06-13
IL287257B1 (en) 2024-04-01
CA3137462A1 (en) 2020-11-26
KR20220009384A (ko) 2022-01-24
JP2022533061A (ja) 2022-07-21
CN113950839A (zh) 2022-01-18
CO2021015352A2 (es) 2021-11-19
US20200366889A1 (en) 2020-11-19
TW202101996A (zh) 2021-01-01
BR112021022331A2 (pt) 2021-12-28
SG11202111550WA (en) 2021-12-30
MX2021014018A (es) 2021-12-10
JP7691936B2 (ja) 2025-06-12
WO2020236568A1 (en) 2020-11-26
IL287257B2 (en) 2024-08-01
IL287257A (en) 2021-12-01

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