BRPI0808491A2 - Método e aparelho de controle de taxa de bits de codificação, programa para tal e meio de armazenamento que armazena o programa - Google Patents

Método e aparelho de controle de taxa de bits de codificação, programa para tal e meio de armazenamento que armazena o programa

Info

Publication number
BRPI0808491A2
BRPI0808491A2 BRPI0808491-2A BRPI0808491A BRPI0808491A2 BR PI0808491 A2 BRPI0808491 A2 BR PI0808491A2 BR PI0808491 A BRPI0808491 A BR PI0808491A BR PI0808491 A2 BRPI0808491 A2 BR PI0808491A2
Authority
BR
Brazil
Prior art keywords
program
storage medium
control method
medium storing
encoding bitrate
Prior art date
Application number
BRPI0808491-2A
Other languages
English (en)
Inventor
Atsushi Shimizu
Ryuichi Tanida
Original Assignee
Nippon Telegraph & Telephone
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 & Telephone filed Critical Nippon Telegraph & Telephone
Publication of BRPI0808491A2 publication Critical patent/BRPI0808491A2/pt
Publication of BRPI0808491B1 publication Critical patent/BRPI0808491B1/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
    • H04N19/102—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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/46—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
    • H04N19/60—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0808491-2A 2007-03-14 2008-03-05 Método e aparelho de controle de taxa de bits de codificação BRPI0808491B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007-064271 2007-03-14
JP2007064271 2007-03-14
PCT/JP2008/053959 WO2008111458A1 (ja) 2007-03-14 2008-03-05 符号化ビットレート制御方法及び装置、そのプログラム並びにプログラムを記録した記録媒体

Publications (2)

Publication Number Publication Date
BRPI0808491A2 true BRPI0808491A2 (pt) 2015-07-21
BRPI0808491B1 BRPI0808491B1 (pt) 2020-08-04

Family

ID=39759401

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0808491-2A BRPI0808491B1 (pt) 2007-03-14 2008-03-05 Método e aparelho de controle de taxa de bits de codificação

Country Status (11)

Country Link
US (1) US8265142B2 (pt)
EP (1) EP2120463B1 (pt)
JP (1) JP5008718B2 (pt)
KR (1) KR101083383B1 (pt)
CN (1) CN101632308B (pt)
BR (1) BRPI0808491B1 (pt)
CA (1) CA2679767C (pt)
ES (1) ES2532375T3 (pt)
RU (1) RU2420914C1 (pt)
TW (1) TWI390987B (pt)
WO (1) WO2008111458A1 (pt)

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CA2679767C (en) 2013-06-25
EP2120463A4 (en) 2010-06-23
KR101083383B1 (ko) 2011-11-14
CN101632308B (zh) 2011-08-03
EP2120463B1 (en) 2014-12-10
JP5008718B2 (ja) 2012-08-22
CN101632308A (zh) 2010-01-20
WO2008111458A1 (ja) 2008-09-18
TW200838318A (en) 2008-09-16
RU2009133184A (ru) 2011-03-10
US20100118937A1 (en) 2010-05-13
ES2532375T3 (es) 2015-03-26
EP2120463A1 (en) 2009-11-18
JPWO2008111458A1 (ja) 2010-06-24
CA2679767A1 (en) 2008-09-18
TWI390987B (zh) 2013-03-21
US8265142B2 (en) 2012-09-11
RU2420914C1 (ru) 2011-06-10
BRPI0808491B1 (pt) 2020-08-04

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