DE68926608D1 - Verfahren zur Umwandlung einer Videosignalwiedergabefrequenz - Google Patents

Verfahren zur Umwandlung einer Videosignalwiedergabefrequenz

Info

Publication number
DE68926608D1
DE68926608D1 DE68926608T DE68926608T DE68926608D1 DE 68926608 D1 DE68926608 D1 DE 68926608D1 DE 68926608 T DE68926608 T DE 68926608T DE 68926608 T DE68926608 T DE 68926608T DE 68926608 D1 DE68926608 D1 DE 68926608D1
Authority
DE
Germany
Prior art keywords
interlaced
filter
picture
signal
receiver
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
DE68926608T
Other languages
English (en)
Other versions
DE68926608T2 (de
Inventor
Janne Juhola
Ari Nieminen
Yrjo Neuvo
Juha Salo
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.)
Nokia Consumer Electronics Ltd
Original Assignee
Nokia Consumer Electronics Ltd
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 Nokia Consumer Electronics Ltd filed Critical Nokia Consumer Electronics Ltd
Publication of DE68926608D1 publication Critical patent/DE68926608D1/de
Application granted granted Critical
Publication of DE68926608T2 publication Critical patent/DE68926608T2/de
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
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Nonwoven Fabrics (AREA)
DE68926608T 1988-12-09 1989-11-27 Verfahren zur Umwandlung einer Videosignalwiedergabefrequenz Expired - Lifetime DE68926608T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI885725A FI81232C (fi) 1988-12-09 1988-12-09 Foerfarande att aendra en visfrekvens av en videosignal.

Publications (2)

Publication Number Publication Date
DE68926608D1 true DE68926608D1 (de) 1996-07-11
DE68926608T2 DE68926608T2 (de) 1996-10-24

Family

ID=8527545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68926608T Expired - Lifetime DE68926608T2 (de) 1988-12-09 1989-11-27 Verfahren zur Umwandlung einer Videosignalwiedergabefrequenz

Country Status (4)

Country Link
EP (1) EP0372774B1 (de)
AT (1) ATE139073T1 (de)
DE (1) DE68926608T2 (de)
FI (1) FI81232C (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI88663C (fi) * 1991-06-05 1993-06-10 Salora Oy Foerfarande foer att dubblera linjetalet av en i samplingsradform inkommande videosignal
US5151783A (en) * 1991-06-05 1992-09-29 Faroudja Y C Digital television with enhancement
US5355178A (en) * 1991-10-24 1994-10-11 Eastman Kodak Company Mechanism for improving television display of still images using image motion-dependent filter
IT1257068B (it) * 1992-07-22 1996-01-05 Seleco Spa Filtro non lineare pesato per segnale video con compensazione delle correlazioni spaziali.
DE69318377T2 (de) * 1992-11-19 1998-09-03 Thomson Multimedia Sa Methode und Vorrichtung zur Erhöhung der Bildfrequenz
EP0598333B1 (de) * 1992-11-19 1998-05-06 THOMSON multimedia Methode und Vorrichtung zur Erhöhung der Bildfrequenz
US6061094A (en) * 1997-11-12 2000-05-09 U.S. Philips Corporation Method and apparatus for scaling and reducing flicker with dynamic coefficient weighting
DE19928740C2 (de) * 1999-06-23 2002-06-27 Micronas Gmbh Verfahren zum Verdoppeln der Bildwiederholfrequenz einer im Zeilensprungverfahren erzeugten Bildsequenz
EP1191786A1 (de) * 2000-09-21 2002-03-27 Sony International (Europe) GmbH Zeilensprung Progressivumwandlung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8501582A (nl) * 1985-02-12 1986-09-01 Philips Nv Videosignaalverwerkingsschakeling voor de verwerking van een geinterlinieerd videosignaal.
DE3610715A1 (de) * 1986-03-29 1987-10-01 Bosch Gmbh Robert Verfahren und schaltungsanordnung zur flimmerfreien wiedergabe eins videosignals

Also Published As

Publication number Publication date
EP0372774B1 (de) 1996-06-05
FI81232C (fi) 1990-09-10
FI885725A0 (fi) 1988-12-09
ATE139073T1 (de) 1996-06-15
EP0372774A2 (de) 1990-06-13
FI81232B (fi) 1990-05-31
EP0372774A3 (de) 1992-03-04
DE68926608T2 (de) 1996-10-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition