TWI856085B - 用於視訊寫碼之以梯度為基礎的預測細化 - Google Patents

用於視訊寫碼之以梯度為基礎的預測細化 Download PDF

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Publication number
TWI856085B
TWI856085B TW109111388A TW109111388A TWI856085B TW I856085 B TWI856085 B TW I856085B TW 109111388 A TW109111388 A TW 109111388A TW 109111388 A TW109111388 A TW 109111388A TW I856085 B TWI856085 B TW I856085B
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Taiwan
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prediction
refinement
samples
block
gradient
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TW109111388A
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English (en)
Chinese (zh)
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TW202046721A (zh
Inventor
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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/543—Motion estimation other than block-based using regions
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or 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
    • H04N19/50—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109111388A 2019-04-01 2020-04-01 用於視訊寫碼之以梯度為基礎的預測細化 TWI856085B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962827677P 2019-04-01 2019-04-01
US62/827,677 2019-04-01
US201962837405P 2019-04-23 2019-04-23
US62/837,405 2019-04-23
US16/836,013 US11962796B2 (en) 2019-04-01 2020-03-31 Gradient-based prediction refinement for video coding
US16/836,013 2020-03-31

Publications (2)

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TW202046721A TW202046721A (zh) 2020-12-16
TWI856085B true TWI856085B (zh) 2024-09-21

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Country Link
US (1) US11962796B2 (https=)
EP (1) EP3949413A1 (https=)
JP (1) JP7463399B2 (https=)
KR (1) KR102951570B1 (https=)
CN (1) CN113940079B (https=)
BR (1) BR112021018810A2 (https=)
SG (1) SG11202109472RA (https=)
TW (1) TWI856085B (https=)
WO (1) WO2020205942A1 (https=)

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WO2020211866A1 (en) 2019-04-19 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Applicability of prediction refinement with optical flow process
CN113711609B (zh) * 2019-04-19 2023-12-01 北京字节跳动网络技术有限公司 利用光流的预测细化过程中的增量运动矢量
CN113728626B (zh) 2019-04-19 2023-05-30 北京字节跳动网络技术有限公司 不同运动矢量细化中的基于区域的梯度计算
US11523109B2 (en) 2019-05-02 2022-12-06 Tencent America LLC Method and apparatus for improvements of affine prof
JP7431253B2 (ja) * 2019-05-16 2024-02-14 北京字節跳動網絡技術有限公司 動き情報精緻化のサブ領域に基づいた決定
US11317088B2 (en) * 2019-05-17 2022-04-26 Qualcomm Incorporated Gradient-based prediction refinement for video coding
CN114503557B (zh) * 2019-09-22 2025-09-16 寰发股份有限公司 视频数据预测方法和装置
CN118435601A (zh) * 2021-08-19 2024-08-02 联发科技股份有限公司 视频编解码系统中硬件友好的模板匹配方法和装置
KR20230055191A (ko) 2021-10-18 2023-04-25 현대모비스 주식회사 내가수분해성 및 레이저 투과 안정성이 우수한 수지 성형품, 이를 포함하는 카메라 모듈 부재 및 자동차 전장 부품 부재
WO2025148982A1 (en) * 2024-01-09 2025-07-17 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

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US20180184083A1 (en) * 2016-12-28 2018-06-28 Arris Enterprises Llc Adaptive unequal weight planar prediction
US20180376165A1 (en) * 2015-11-11 2018-12-27 Samsung Electronics Co., Ltd. Method and apparatus for decoding video, and method and apparatus for encoding video
US20190020895A1 (en) * 2017-06-28 2019-01-17 Futurewei Technologies, Inc. Decoder Side Motion Vector Refinement in Video Coding
US20190045214A1 (en) * 2016-02-03 2019-02-07 Sharp Kabushiki Kaisha Moving image decoding device, moving image coding device, and prediction image generation device

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Publication number Publication date
JP2022527194A (ja) 2022-05-31
JP7463399B2 (ja) 2024-04-08
KR102951570B1 (ko) 2026-04-10
EP3949413A1 (en) 2022-02-09
TW202046721A (zh) 2020-12-16
BR112021018810A2 (pt) 2021-11-23
WO2020205942A1 (en) 2020-10-08
KR20210138613A (ko) 2021-11-19
US11962796B2 (en) 2024-04-16
CN113940079A (zh) 2022-01-14
US20200314443A1 (en) 2020-10-01
SG11202109472RA (en) 2021-10-28
CN113940079B (zh) 2025-06-17

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