ES2176417T3 - Aparato para estimacion y reduccion de ruido para tratamiento de señales de video. - Google Patents

Aparato para estimacion y reduccion de ruido para tratamiento de señales de video.

Info

Publication number
ES2176417T3
ES2176417T3 ES96402695T ES96402695T ES2176417T3 ES 2176417 T3 ES2176417 T3 ES 2176417T3 ES 96402695 T ES96402695 T ES 96402695T ES 96402695 T ES96402695 T ES 96402695T ES 2176417 T3 ES2176417 T3 ES 2176417T3
Authority
ES
Spain
Prior art keywords
waste
noise reduction
estimation
treatment
noise
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
ES96402695T
Other languages
English (en)
Inventor
Robert Norman Hurst Jr
Jungwoo Lee
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 ES2176417T3 publication Critical patent/ES2176417T3/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/213—Circuitry for suppressing or minimising impulsive noise
    • 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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • 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
    • H04N19/50—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
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N5/20—Circuitry for controlling amplitude response

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

UN APARATO DE COMPRESION DE SEÑALE DE VIDEO SUMINISTRA UN MEDIO PARA GENERAR RESIDUOS (12,16,17,18,14) QUE REPRESENTAN UN VALOR DE PIXEL QUE DIFERENCIA ENTRE VALORES DE PIXEL PREVISTOS Y REALES DE UN CUADRO DE CORRIENTE DE UNA SEÑAL DE VIDEO. LA CIRCUITERIA DE REDUCCION DE RUIDO, EN LA FORMA DE UN MEDIO DE PROCESAMIENTO NO LINEAL (500), ATENUA LOS RESIDUOS DE AMPLITUD INFERIOR MAS QUE LOS RESIDUOS DE AMPLITUD SUPERIOR Y ES SENSIBLE A UNA ESTIMACION DE RUIDO (1333). LOS RESIDUOS PROCESADOS SON TRANSFORMADOS (15) PARA SUMINISTRAR UNA SALIDA DE DATOS DE VIDEO COMPRIMIDA. SE REVELAN FUNCIONES DE PROCESAMIENTO NO LINEAL QUE ATENUAN EL RUIDO Y REDUCEN LA DISTORSION DE IMAGENES.
ES96402695T 1995-12-12 1996-12-11 Aparato para estimacion y reduccion de ruido para tratamiento de señales de video. Expired - Lifetime ES2176417T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/571,044 US6285710B1 (en) 1993-10-13 1995-12-12 Noise estimation and reduction apparatus for video signal processing

Publications (1)

Publication Number Publication Date
ES2176417T3 true ES2176417T3 (es) 2002-12-01

Family

ID=24282100

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96402695T Expired - Lifetime ES2176417T3 (es) 1995-12-12 1996-12-11 Aparato para estimacion y reduccion de ruido para tratamiento de señales de video.

Country Status (9)

Country Link
US (1) US6285710B1 (es)
EP (1) EP0779742B1 (es)
JP (1) JPH09205652A (es)
KR (1) KR100425640B1 (es)
CN (1) CN1098597C (es)
DE (1) DE69620984T2 (es)
ES (1) ES2176417T3 (es)
RU (1) RU2189700C2 (es)
TW (1) TW363327B (es)

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Also Published As

Publication number Publication date
EP0779742B1 (en) 2002-05-02
CN1098597C (zh) 2003-01-08
JPH09205652A (ja) 1997-08-05
TW363327B (en) 1999-07-01
RU2189700C2 (ru) 2002-09-20
CN1155814A (zh) 1997-07-30
DE69620984T2 (de) 2002-10-31
EP0779742A2 (en) 1997-06-18
KR100425640B1 (ko) 2004-06-24
US6285710B1 (en) 2001-09-04
DE69620984D1 (de) 2002-06-06
KR970056936A (ko) 1997-07-31
EP0779742A3 (en) 1997-12-03

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