ES2138647T3 - Aparato para controlar la cuantificacion en un compresor de señal de video. - Google Patents

Aparato para controlar la cuantificacion en un compresor de señal de video.

Info

Publication number
ES2138647T3
ES2138647T3 ES94301100T ES94301100T ES2138647T3 ES 2138647 T3 ES2138647 T3 ES 2138647T3 ES 94301100 T ES94301100 T ES 94301100T ES 94301100 T ES94301100 T ES 94301100T ES 2138647 T3 ES2138647 T3 ES 2138647T3
Authority
ES
Spain
Prior art keywords
video signal
quantification
signal compressor
quantifier
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94301100T
Other languages
English (en)
Inventor
Daniel Jorge Reininger
Ajanta Guha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
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 RCA Licensing Corp filed Critical RCA Licensing Corp
Application granted granted Critical
Publication of ES2138647T3 publication Critical patent/ES2138647T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N19/146—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
    • H04N19/134—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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/102—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/60—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Color Television Systems (AREA)

Abstract

UN SISTEMA DE CUANTIFICACION VBR DE VELOCIDAD CONTROLADA COMPRENDE UN CUANTIFICADOR (14) PARA CUANTIFICAR LOS DATOS DE VIDEO PARCIALMENTE COMPRIMIDOS Y OTRO APARATO (28) PARA CONTROLAR LA CANTIDAD DE DATOS DE SALIDA COMPRIMIDOS. DEPENDIENDO DE LA CANTIDAD DE DATOS DE SALIDA COMPRIMIDOS QUE SON MENORES O MAYORES QUE UN VALOR PREDETERMINADO, E CUANTIFICADOR ESTA CONDICIONADO (27) A OPERAR EN UN MODO DE CUANTIFICACION FIJO, O UN MODO EN E QUE SOLO LOS BLOQUES SELECCIONADOS DE DATOS EN MARCOS RESPECTIVOS SE CUANTIFICAN ADAPTABLEMENTE, RESPECTIVAMENTE.
ES94301100T 1993-02-22 1994-02-16 Aparato para controlar la cuantificacion en un compresor de señal de video. Expired - Lifetime ES2138647T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/020,920 US5426463A (en) 1993-02-22 1993-02-22 Apparatus for controlling quantizing in a video signal compressor

Publications (1)

Publication Number Publication Date
ES2138647T3 true ES2138647T3 (es) 2000-01-16

Family

ID=21801295

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94301100T Expired - Lifetime ES2138647T3 (es) 1993-02-22 1994-02-16 Aparato para controlar la cuantificacion en un compresor de señal de video.

Country Status (8)

Country Link
US (1) US5426463A (es)
EP (1) EP0613306B1 (es)
JP (1) JP3688730B2 (es)
KR (1) KR100327650B1 (es)
DE (1) DE69421636T2 (es)
ES (1) ES2138647T3 (es)
MX (1) MX9401310A (es)
SG (1) SG64871A1 (es)

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Also Published As

Publication number Publication date
KR940020836A (ko) 1994-09-16
EP0613306B1 (en) 1999-11-17
JPH06268986A (ja) 1994-09-22
EP0613306A3 (en) 1995-09-20
KR100327650B1 (ko) 2002-06-20
MX9401310A (es) 1994-08-31
JP3688730B2 (ja) 2005-08-31
DE69421636T2 (de) 2000-03-02
DE69421636D1 (de) 1999-12-23
EP0613306A2 (en) 1994-08-31
SG64871A1 (en) 1999-05-25
US5426463A (en) 1995-06-20

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