BR112018006041A2 - codificador de vídeo, decodificador de vídeo e métodos para codificação e decodificação preditiva - Google Patents

codificador de vídeo, decodificador de vídeo e métodos para codificação e decodificação preditiva

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Publication number
BR112018006041A2
BR112018006041A2 BR112018006041A BR112018006041A BR112018006041A2 BR 112018006041 A2 BR112018006041 A2 BR 112018006041A2 BR 112018006041 A BR112018006041 A BR 112018006041A BR 112018006041 A BR112018006041 A BR 112018006041A BR 112018006041 A2 BR112018006041 A2 BR 112018006041A2
Authority
BR
Brazil
Prior art keywords
frame
video
decoding
methods
predictive encoding
Prior art date
Application number
BR112018006041A
Other languages
English (en)
Inventor
Borisovitch Sychev Maxim
Yurievich Ikonin Sergey
Alexeevich Stepin Victor
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112018006041A2 publication Critical patent/BR112018006041A2/pt

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Classifications

    • 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
    • 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
    • H04N19/50—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20201—Motion blur correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

a presente invenção se refere a um codificador de vídeo para conversão em código preditiva de um fluxo de vídeo de quadros subsequentes de acordo com compensação de movimento em um fluxo de bits de vídeo codificado, que compreende um armazenamento temporário de quadro (207) adaptado para armazenar pelo menos um quadro de referência do fluxo de vídeo, sendo que o dito quadro de referência é diferente de um quadro atual do fluxo de vídeo, uma unidade de interpredição (210) adaptada para gerar um bloco de predição de um bloco atual do quadro atual a partir de um bloco de referência do quadro de referência e um filtro de intensificação adaptativo (211) configurado para filtrar adaptativamente o bloco de predição.
BR112018006041A 2015-09-25 2015-09-25 codificador de vídeo, decodificador de vídeo e métodos para codificação e decodificação preditiva BR112018006041A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2015/000611 WO2017052406A1 (en) 2015-09-25 2015-09-25 Apparatus and method for video motion compensation

Publications (1)

Publication Number Publication Date
BR112018006041A2 true BR112018006041A2 (pt) 2018-10-09

Family

ID=55752683

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018006041A BR112018006041A2 (pt) 2015-09-25 2015-09-25 codificador de vídeo, decodificador de vídeo e métodos para codificação e decodificação preditiva

Country Status (14)

Country Link
US (1) US10834416B2 (pt)
EP (1) EP3348057A1 (pt)
JP (1) JP6673599B2 (pt)
KR (1) KR102143736B1 (pt)
CN (1) CN108028937B (pt)
AU (1) AU2015409727B2 (pt)
BR (1) BR112018006041A2 (pt)
CA (1) CA2999700C (pt)
HK (1) HK1250865A1 (pt)
MX (1) MX2018003673A (pt)
MY (1) MY197611A (pt)
RU (1) RU2696314C1 (pt)
WO (1) WO2017052406A1 (pt)
ZA (1) ZA201802144B (pt)

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CN110650349B (zh) * 2018-06-26 2024-02-13 中兴通讯股份有限公司 一种图像编码方法、解码方法、编码器、解码器及存储介质
TWI719519B (zh) 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
US20220150515A1 (en) * 2018-11-27 2022-05-12 Op Solutions, Llc Adaptive temporal filter for an unavailable reference picture
BR112021021334A2 (pt) * 2019-04-25 2022-01-18 Op Solutions Llc Sinalização de vetor de movimento global em cabeçalho de imagem
US11975263B2 (en) * 2021-11-19 2024-05-07 Dell Products, L.P. Image stabilization system and method
CN116708934B (zh) * 2023-05-16 2024-03-22 深圳东方凤鸣科技有限公司 一种视频编码处理方法及装置

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Also Published As

Publication number Publication date
EP3348057A1 (en) 2018-07-18
MY197611A (en) 2023-06-28
US20180213250A1 (en) 2018-07-26
CN108028937A (zh) 2018-05-11
KR102143736B1 (ko) 2020-08-12
HK1250865A1 (zh) 2019-01-11
WO2017052406A1 (en) 2017-03-30
KR20180056707A (ko) 2018-05-29
AU2015409727B2 (en) 2019-09-12
CA2999700A1 (en) 2017-03-30
CN108028937B (zh) 2020-07-24
AU2015409727A1 (en) 2018-04-26
JP2018533287A (ja) 2018-11-08
JP6673599B2 (ja) 2020-03-25
ZA201802144B (en) 2019-01-30
CA2999700C (en) 2022-06-21
RU2696314C1 (ru) 2019-08-01
US10834416B2 (en) 2020-11-10
MX2018003673A (es) 2018-08-01

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