BR112012027960A2 - "método e aparelho de controle de codificação de vídeo" - Google Patents

"método e aparelho de controle de codificação de vídeo"

Info

Publication number
BR112012027960A2
BR112012027960A2 BR112012027960-2A BR112012027960A BR112012027960A2 BR 112012027960 A2 BR112012027960 A2 BR 112012027960A2 BR 112012027960 A BR112012027960 A BR 112012027960A BR 112012027960 A2 BR112012027960 A2 BR 112012027960A2
Authority
BR
Brazil
Prior art keywords
encoding
decoder buffer
amount
control method
code
Prior art date
Application number
BR112012027960-2A
Other languages
English (en)
Japanese (ja)
Inventor
Shimizu Atsushi
Ono Naoki
Kitahara Masaki
Original Assignee
Nippon Telegraph And Telephone Corporation
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 Nippon Telegraph And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Publication of BR112012027960A2 publication Critical patent/BR112012027960A2/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
    • H04N19/10—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
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

"método e aparelho de controle de codificação de vídeo" a presente invenção refere-se a um método de controle de codificação de vídeo para controlar a codificação de um sinal de vídeo de entrada. o método inclui as etapas de detectar um esvaziamento de dados de um buffer decodificador, se o esvaziamento de dados do buffer decodificador tiver sido detectado, suprimir uma quantidade de código gerado saltando uma imagem-alvo de codificação ou por codificação da imagem-alvo de codificação de modo a produzir uma quantidade mínima de código gerado: após a supressão da quantidade de código gerado, comparar a taxa atual de ocupação no buffer decodificador com um limite predeterminado para a taxa de ocupação no buffer decodificador; e desempenhar um controle para suprimir continuamnte a quantidade de código gerado para cada imagem-alvo de codificação utilizando a etapa acima de suprimir a quantidade de código gerado até que a taxa de ocupação no buffer decodificador exceda o limite com base no resultado da comparação acima.
BR112012027960-2A 2010-05-06 2011-04-20 "método e aparelho de controle de codificação de vídeo" BR112012027960A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010-106104 2010-05-06
JP2010106104 2010-05-06
PCT/JP2011/059727 WO2011138900A1 (ja) 2010-05-06 2011-04-20 映像符号化制御方法および装置

Publications (1)

Publication Number Publication Date
BR112012027960A2 true BR112012027960A2 (pt) 2018-05-08

Family

ID=44903752

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012027960-2A BR112012027960A2 (pt) 2010-05-06 2011-04-20 "método e aparelho de controle de codificação de vídeo"

Country Status (10)

Country Link
US (1) US9179154B2 (pt)
EP (1) EP2568704A4 (pt)
JP (2) JP5584757B2 (pt)
KR (1) KR101389127B1 (pt)
CN (1) CN102860010A (pt)
BR (1) BR112012027960A2 (pt)
CA (1) CA2798008C (pt)
RU (1) RU2534370C2 (pt)
TW (1) TWI458355B (pt)
WO (1) WO2011138900A1 (pt)

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Also Published As

Publication number Publication date
JPWO2011138900A1 (ja) 2013-07-22
CA2798008A1 (en) 2011-11-10
EP2568704A4 (en) 2013-12-18
US20130058396A1 (en) 2013-03-07
JP2014135741A (ja) 2014-07-24
KR20130025892A (ko) 2013-03-12
CN102860010A (zh) 2013-01-02
TWI458355B (zh) 2014-10-21
JP5584757B2 (ja) 2014-09-03
CA2798008C (en) 2015-10-20
EP2568704A1 (en) 2013-03-13
RU2012146549A (ru) 2014-05-10
TW201206199A (en) 2012-02-01
KR101389127B1 (ko) 2014-04-28
US9179154B2 (en) 2015-11-03
WO2011138900A1 (ja) 2011-11-10
JP5650856B2 (ja) 2015-01-07
RU2534370C2 (ru) 2014-11-27

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