BR112018005997A2 - codificador de vídeo, decodificador de vídeo e métodos para a codificação e a decodificação preditivas - Google Patents

codificador de vídeo, decodificador de vídeo e métodos para a codificação e a decodificação preditivas

Info

Publication number
BR112018005997A2
BR112018005997A2 BR112018005997A BR112018005997A BR112018005997A2 BR 112018005997 A2 BR112018005997 A2 BR 112018005997A2 BR 112018005997 A BR112018005997 A BR 112018005997A BR 112018005997 A BR112018005997 A BR 112018005997A BR 112018005997 A2 BR112018005997 A2 BR 112018005997A2
Authority
BR
Brazil
Prior art keywords
predictive encoding
decoding
methods
video
block
Prior art date
Application number
BR112018005997A
Other languages
English (en)
Other versions
BR112018005997B1 (pt
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 BR112018005997A2 publication Critical patent/BR112018005997A2/pt
Publication of BR112018005997B1 publication Critical patent/BR112018005997B1/pt

Links

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
    • H04N19/80—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
    • G06T5/73—
    • 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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/169—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/50—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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)

Abstract

a presente invenção refere-se a um codificador de vídeo (400, 600) para codificação preditiva, em um fluxo de bits de vídeo codificado, de um bloco original de um quadro original baseado em um bloco de previsão obtido de um referencial, compreendendo um buffer (401, 601 ) configurado para armazenar o bloco original, um buffer (408, 608) configurado para armazenar o bloco de predição e um filtro de sharpening adaptativo (409, 609) configurado para aplicar uma filtragem de sharpening adaptável espacial ao bloco de previsão.
BR112018005997-8A 2015-09-25 Codificador de vídeo, decodificador de vídeo, métodos para a codificação e a decodificação preditivas e meio de armazenamento legível em computador BR112018005997B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2015/000612 WO2017052407A1 (en) 2015-09-25 2015-09-25 Adaptive sharpening filter for predictive coding

Publications (2)

Publication Number Publication Date
BR112018005997A2 true BR112018005997A2 (pt) 2018-10-23
BR112018005997B1 BR112018005997B1 (pt) 2023-05-23

Family

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Also Published As

Publication number Publication date
US20180220162A1 (en) 2018-08-02
WO2017052407A8 (en) 2017-10-26
MY190412A (en) 2022-04-21
JP2018533292A (ja) 2018-11-08
CN108370445A (zh) 2018-08-03
JP6678735B2 (ja) 2020-04-08
KR20180054751A (ko) 2018-05-24
CA2999872C (en) 2020-08-18
EP3348058A1 (en) 2018-07-18
EP3348058B1 (en) 2021-09-15
NZ741321A (en) 2019-10-25
CN108370445B (zh) 2020-02-21
AU2015410095B2 (en) 2019-08-29
ZA201802149B (en) 2023-01-25
US10863205B2 (en) 2020-12-08
CA2999872A1 (en) 2017-03-30
WO2017052407A1 (en) 2017-03-30
RU2696316C1 (ru) 2019-08-01
AU2015410095C1 (en) 2020-01-16
AU2015410095A1 (en) 2018-04-26
MX2018003762A (es) 2018-09-12
HK1250292A1 (zh) 2018-12-07

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/09/2015, OBSERVADAS AS CONDICOES LEGAIS