BR112015018420B1 - Métodos de codificação e decodificação de um bloco de imagem,decodificador e codificador - Google Patents

Métodos de codificação e decodificação de um bloco de imagem,decodificador e codificador Download PDF

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Publication number
BR112015018420B1
BR112015018420B1 BR112015018420-0A BR112015018420A BR112015018420B1 BR 112015018420 B1 BR112015018420 B1 BR 112015018420B1 BR 112015018420 A BR112015018420 A BR 112015018420A BR 112015018420 B1 BR112015018420 B1 BR 112015018420B1
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BR
Brazil
Prior art keywords
reference image
image
reconstructed
picture
decoder
Prior art date
Application number
BR112015018420-0A
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English (en)
Portuguese (pt)
Other versions
BR112015018420A2 (pt
Inventor
Philippe Bordes
Franck Hiron
Pierre Andrivon
Patrick Lopez
Philippe Salmon
Original Assignee
Interdigital Vc Holdings, Inc
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.)
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Publication date
Application filed by Interdigital Vc Holdings, Inc filed Critical Interdigital Vc Holdings, Inc
Publication of BR112015018420A2 publication Critical patent/BR112015018420A2/pt
Publication of BR112015018420B1 publication Critical patent/BR112015018420B1/pt

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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
    • H04N19/10—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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H04N21/2355—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages
    • H04N21/2358—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving reformatting operations of additional data, e.g. HTML pages for generating different versions, e.g. for different recipient devices
    • 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
    • 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
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112015018420-0A 2013-02-22 2014-02-17 Métodos de codificação e decodificação de um bloco de imagem,decodificador e codificador BR112015018420B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13305201.9A EP2804374A1 (en) 2013-02-22 2013-02-22 Coding and decoding methods of a picture block, corresponding devices and data stream
EP13305201.9 2013-02-22
PCT/EP2014/052998 WO2014128074A1 (en) 2013-02-22 2014-02-17 Coding and decoding methods of a picture block, corresponding devices and data stream

Publications (2)

Publication Number Publication Date
BR112015018420A2 BR112015018420A2 (pt) 2017-07-18
BR112015018420B1 true BR112015018420B1 (pt) 2023-04-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015018420-0A BR112015018420B1 (pt) 2013-02-22 2014-02-17 Métodos de codificação e decodificação de um bloco de imagem,decodificador e codificador

Country Status (7)

Country Link
US (1) US10701373B2 (enExample)
EP (2) EP2804374A1 (enExample)
JP (1) JP6310947B2 (enExample)
KR (1) KR102173508B1 (enExample)
CN (1) CN105009593A (enExample)
BR (1) BR112015018420B1 (enExample)
WO (1) WO2014128074A1 (enExample)

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US9807419B2 (en) * 2014-06-25 2017-10-31 Qualcomm Incorporated Recovery point SEI message in multi-layer video codecs

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Also Published As

Publication number Publication date
JP6310947B2 (ja) 2018-04-11
EP2959688B1 (en) 2022-05-18
KR102173508B1 (ko) 2020-11-03
CN105009593A (zh) 2015-10-28
EP2959688A1 (en) 2015-12-30
JP2016511591A (ja) 2016-04-14
EP2804374A1 (en) 2014-11-19
US10701373B2 (en) 2020-06-30
US20160014419A1 (en) 2016-01-14
WO2014128074A1 (en) 2014-08-28
KR20150120988A (ko) 2015-10-28
BR112015018420A2 (pt) 2017-07-18

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: INTERDIGITAL VC HOLDINGS, INC. (US)

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]

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