ES2143137T3 - Codificacion de imagenes con optimizacion de la cantidad de codigo generada. - Google Patents

Codificacion de imagenes con optimizacion de la cantidad de codigo generada.

Info

Publication number
ES2143137T3
ES2143137T3 ES96203076T ES96203076T ES2143137T3 ES 2143137 T3 ES2143137 T3 ES 2143137T3 ES 96203076 T ES96203076 T ES 96203076T ES 96203076 T ES96203076 T ES 96203076T ES 2143137 T3 ES2143137 T3 ES 2143137T3
Authority
ES
Spain
Prior art keywords
amount
code
optimization
coding
images
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
ES96203076T
Other languages
English (en)
Inventor
Masahiko Enari
Nobuhiro Hoshi
Hiroshi Takizawa
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP40894790A external-priority patent/JP3015112B2/ja
Priority claimed from JP8240291A external-priority patent/JP3082957B2/ja
Priority claimed from JP8240191A external-priority patent/JP3200082B2/ja
Priority claimed from JP8538691A external-priority patent/JP3143487B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2143137T3 publication Critical patent/ES2143137T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

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

Abstract

UN APARATO DE PROCESADO DE IMAGEN EN EL QUE UNA SEÑAL DE IMAGEN DE ENTRADA SE DESCOMPONE EN COMPONENTES DE FRECUENCIA ESPACIAL Y CODIFICADA EMPLEANDO PARAMETROS DE CODIFICADO DIFERENTES. ESTA CANTIDAD DE DATOS EN CADA CASO SE CUENTA Y EMPLEA PARA DETERMINAR UN PARAMETRO DE CODIFICADO QUE SEA OPTIMO PARA EL CODIFICADO DE LA IMAGEN. EL CODIGO QUE USA LOS PARAMETROS DE CODIFICADO DIFERENTES SE DIRIGE EN PARALELO.
ES96203076T 1990-12-28 1991-12-27 Codificacion de imagenes con optimizacion de la cantidad de codigo generada. Expired - Lifetime ES2143137T3 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP40894790A JP3015112B2 (ja) 1990-12-28 1990-12-28 画像処理方法
JP8240291A JP3082957B2 (ja) 1991-04-15 1991-04-15 画像処理方法
JP8240191A JP3200082B2 (ja) 1991-04-15 1991-04-15 画像処理方法
JP8538691A JP3143487B2 (ja) 1991-04-17 1991-04-17 画像処理装置

Publications (1)

Publication Number Publication Date
ES2143137T3 true ES2143137T3 (es) 2000-05-01

Family

ID=27466700

Family Applications (2)

Application Number Title Priority Date Filing Date
ES96203076T Expired - Lifetime ES2143137T3 (es) 1990-12-28 1991-12-27 Codificacion de imagenes con optimizacion de la cantidad de codigo generada.
ES91312057T Expired - Lifetime ES2101730T3 (es) 1990-12-28 1991-12-27 Aparato para codificacion de imagenes, con optimizacion del codigo generado.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES91312057T Expired - Lifetime ES2101730T3 (es) 1990-12-28 1991-12-27 Aparato para codificacion de imagenes, con optimizacion del codigo generado.

Country Status (4)

Country Link
US (1) US5838826A (es)
EP (2) EP0763925B1 (es)
DE (2) DE69132063T2 (es)
ES (2) ES2143137T3 (es)

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Also Published As

Publication number Publication date
US5838826A (en) 1998-11-17
ES2101730T3 (es) 1997-07-16
DE69132063D1 (de) 2000-04-20
EP0493130B1 (en) 1997-06-11
EP0493130A2 (en) 1992-07-01
DE69126512D1 (de) 1997-07-17
DE69132063T2 (de) 2000-09-14
EP0763925A2 (en) 1997-03-19
EP0493130A3 (en) 1992-11-04
EP0763925A3 (en) 1998-03-04
DE69126512T2 (de) 1997-11-06
EP0763925B1 (en) 2000-03-15

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