ES2124992T5 - Procedimiento para la determinacion del nivel de ruido y detector del nivel de ruido. - Google Patents

Procedimiento para la determinacion del nivel de ruido y detector del nivel de ruido.

Info

Publication number
ES2124992T5
ES2124992T5 ES95902130T ES95902130T ES2124992T5 ES 2124992 T5 ES2124992 T5 ES 2124992T5 ES 95902130 T ES95902130 T ES 95902130T ES 95902130 T ES95902130 T ES 95902130T ES 2124992 T5 ES2124992 T5 ES 2124992T5
Authority
ES
Spain
Prior art keywords
noise level
video
signal
determination
procedure
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
ES95902130T
Other languages
English (en)
Other versions
ES2124992T3 (es
Inventor
Christian Hentschel
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.)
Interessengemeinschaft fuer Rundfunkschutzrechte GmbH Schutzrechtsverwertung and Co KG
Original Assignee
Interessengemeinschaft fuer Rundfunkschutzrechte GmbH Schutzrechtsverwertung and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6504431&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2124992(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Interessengemeinschaft fuer Rundfunkschutzrechte GmbH Schutzrechtsverwertung and Co KG filed Critical Interessengemeinschaft fuer Rundfunkschutzrechte GmbH Schutzrechtsverwertung and Co KG
Application granted granted Critical
Publication of ES2124992T3 publication Critical patent/ES2124992T3/es
Publication of ES2124992T5 publication Critical patent/ES2124992T5/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
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Picture Signal Circuits (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIIENTO PARA LA DETERMINACION DE NIVEL DE RUIDO PARA UNA SEÑAL DE VIDEO, DONDE LA SEÑAL DE VIDEO CONSISTE EN UNA SERIE DE IMAGENES DE VIDEO, DE FORMA QUE CADA SEÑAL CONSISTE EN LINEAS DE VIDEO DISPUESTAS VERTICALMENTE UNA DESPUES DE OTRA. CADA LINEA DE VIDEO CONSISTE EN UN NUMERO DE PUNTOS DE IMAGEN DISPUESTOS HORIZONTALMENTE, DE FORMA QUE LA SEÑAL DE VIDEO TIENE POR CADA PUNTO DE IMAGEN UNA SEÑAL DE REFERENCIA QUE SE SUPERPONE CON UNA SEÑAL DE RUIDO, INCLUYENDO TAL METODO LAS SIGUIENTES ETAPAS: A PARTIR DE LA SEÑAL DE VIDEO SE SELECCIONA UNA MUESTRA DE MEDICION EN FORMA DE UN NUMERO DE PUNTOS DE IMAGEN, LA MUESTRA DE MEDICION SE SOMETE A FILTRACION DE PASO ALTO Y A PARTIR DE LA SEÑAL FILTRADA PASO ALTO SE DETERMINA UN NIVEL DE RUIDO. SE DESCRIBE ADEMAS EL DETECTOR DE NIVEL DE RUIDO CORRESPONDIENTE.
ES95902130T 1993-12-08 1994-12-06 Procedimiento para la determinacion del nivel de ruido y detector del nivel de ruido. Expired - Lifetime ES2124992T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4341760A DE4341760A1 (de) 1993-12-08 1993-12-08 Verfahren zur Messung des Rauschsignals in einem auf einem Bildschirm dargestellten Videosignal
PCT/EP1994/004060 WO1995016324A1 (de) 1993-12-08 1994-12-06 Rauschpegelbestimmungsverfahren und rauschpegeldetektor

Publications (2)

Publication Number Publication Date
ES2124992T3 ES2124992T3 (es) 1999-02-16
ES2124992T5 true ES2124992T5 (es) 2001-11-16

Family

ID=6504431

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95902130T Expired - Lifetime ES2124992T5 (es) 1993-12-08 1994-12-06 Procedimiento para la determinacion del nivel de ruido y detector del nivel de ruido.

Country Status (4)

Country Link
EP (1) EP0733293B2 (es)
DE (2) DE4341760A1 (es)
ES (1) ES2124992T5 (es)
WO (1) WO1995016324A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19522886A1 (de) * 1995-06-23 1997-01-02 Thomson Brandt Gmbh Fernsehempfänger mit einer Schaltung zur Bildqualitätsverbesserung
EP0809409B1 (en) * 1996-05-24 2001-08-29 Matsushita Electric Industrial Co., Ltd. Method and circuit to determine a noise value that corresponds to the noise in a signal
EP1230805B1 (en) * 1999-11-11 2008-11-19 STMicroelectronics Asia Pacific Pte Ltd. Video signal noise level estimator
DE10024374B4 (de) * 2000-05-17 2004-05-06 Micronas Munich Gmbh Verfahren und Vorrichtung zum Messen des in einem Bild enthaltenen Rauschens
DE10302003B4 (de) 2002-02-26 2011-06-16 Thomson Licensing S.A. Verfahren und Schaltung zur Bestimmung des Rauschanteils in einem Videosignal
US9392267B2 (en) * 2010-12-15 2016-07-12 Tektronix, Inc. System and methods to measure noise and to generate picture quality prediction from source having no reference

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2962606D1 (en) * 1978-04-03 1982-06-09 British Broadcasting Corp Noise reduction in electrical signals
US4991021A (en) * 1988-06-22 1991-02-05 Nec Corporation Digital video signal compensation circuit

Also Published As

Publication number Publication date
DE4341760A1 (de) 1995-06-14
WO1995016324A1 (de) 1995-06-15
EP0733293B1 (de) 1998-11-11
EP0733293B2 (de) 2001-07-25
ES2124992T3 (es) 1999-02-16
DE59407291D1 (de) 1998-12-17
EP0733293A1 (de) 1996-09-25

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