BRPI0616860B8 - método para decodificar um sinal de vídeo - Google Patents

método para decodificar um sinal de vídeo

Info

Publication number
BRPI0616860B8
BRPI0616860B8 BRPI0616860A BRPI0616860A BRPI0616860B8 BR PI0616860 B8 BRPI0616860 B8 BR PI0616860B8 BR PI0616860 A BRPI0616860 A BR PI0616860A BR PI0616860 A BRPI0616860 A BR PI0616860A BR PI0616860 B8 BRPI0616860 B8 BR PI0616860B8
Authority
BR
Brazil
Prior art keywords
video signal
decoding
image
reference image
identification information
Prior art date
Application number
BRPI0616860A
Other languages
English (en)
Inventor
Moon Jeon Byeong
Seok Kim Dong
Ho Park Ji
Wook Park Seung
Hyun Um Soung
Original Assignee
Lg Electronics 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.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Priority claimed from PCT/KR2006/003979 external-priority patent/WO2007040336A1/en
Publication of BRPI0616860A2 publication Critical patent/BRPI0616860A2/pt
Publication of BRPI0616860B1 publication Critical patent/BRPI0616860B1/pt
Publication of BRPI0616860B8 publication Critical patent/BRPI0616860B8/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
    • H04N19/50—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/10—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
    • H04N19/187—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 a scalable video layer
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/577—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation

Landscapes

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

Abstract

método para decodificar um sinal de vídeo. um método para eficientemente decodificar um sinal de video é descrito, o qual é baseado em escalabilidade de granularidade fina (fgs) e inclui adquirir informação de identificação de imagem indicando uma imagem de referência de um bloco atual, e decodificar o bloco atual usando a imagem de referência. uma imagem de referência de camada base e uma imagem de referência de camada aperfeiçoada correspondendo a ela têm a mesma informação de odentificação de imagem. conseqüentemente, é possivel minimizar um problema causado em um procedimento para decodificar um sinal de vídeo devido a erro de transmissão.
BRPI0616860A 2005-10-05 2006-10-02 método para decodificar um sinal de vídeo BRPI0616860B8 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US72347405P 2005-10-05 2005-10-05
US60/723.474 2005-10-05
KR1020060095950A KR100883594B1 (ko) 2005-10-05 2006-09-29 비디오 신호의 디코딩 방법
KR10-2006-0095950 2006-09-29
PCT/KR2006/003979 WO2007040336A1 (en) 2005-10-05 2006-10-02 Method for decoding a video signal

Publications (3)

Publication Number Publication Date
BRPI0616860A2 BRPI0616860A2 (pt) 2011-07-05
BRPI0616860B1 BRPI0616860B1 (pt) 2020-05-12
BRPI0616860B8 true BRPI0616860B8 (pt) 2020-07-07

Family

ID=38159769

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0616860A BRPI0616860B8 (pt) 2005-10-05 2006-10-02 método para decodificar um sinal de vídeo

Country Status (10)

Country Link
US (6) US7869501B2 (pt)
EP (1) EP2924997B1 (pt)
JP (1) JP4851528B2 (pt)
KR (5) KR20070038396A (pt)
CN (3) CN101352044B (pt)
BR (1) BRPI0616860B8 (pt)
ES (1) ES2539935T3 (pt)
HK (1) HK1124710A1 (pt)
RU (2) RU2008117444A (pt)
WO (3) WO2007040335A1 (pt)

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US20070253486A1 (en) 2007-11-01
BRPI0616860A2 (pt) 2011-07-05
ES2539935T3 (es) 2015-07-07
US20100135385A1 (en) 2010-06-03
KR20070038418A (ko) 2007-04-10
KR20090017460A (ko) 2009-02-18
RU2009111142A (ru) 2010-10-10
KR100883594B1 (ko) 2009-02-13
CN101352044B (zh) 2013-03-06
US20070195879A1 (en) 2007-08-23
KR101102399B1 (ko) 2012-01-05
US8422551B2 (en) 2013-04-16
WO2007040342A1 (en) 2007-04-12
US20090225866A1 (en) 2009-09-10
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JP2009512268A (ja) 2009-03-19
WO2007040343A1 (en) 2007-04-12
BRPI0616860B1 (pt) 2020-05-12
US20070086518A1 (en) 2007-04-19
KR100886193B1 (ko) 2009-02-27
EP2924997A3 (en) 2015-12-23
CN101283595A (zh) 2008-10-08
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US20090147857A1 (en) 2009-06-11
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