Method and circuit configuration for reducing flicker in a telev

Details Method and circuit configuration for reducing flicker in a telev Method and circuit configuration for reducing flicker in a telev

1996-02-20

1998-01-13

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Noise or undesired signal reduction

348910, 348447, H04N 521

Patent

active

057084807

ABSTRACT:
A method and a circuit configuration for flicker reduction in a television set include counting the number of partial areas of a field/frame which have been ascertained to be moving, through the use of a motion detector. When a threshold value is exceeded, a changeover is made from a field reproduction sequence with reduced flicker to a field reproduction sequence with reduced flicker and correct motion. The method can be practiced by using standard components.

REFERENCES:
patent: 4272787 (1981-06-01), Michael et al.
patent: 4539594 (1985-09-01), Illetschko
patent: 4652907 (1987-03-01), Fling
patent: 4661853 (1987-04-01), Roeder et al.
patent: 5032905 (1991-07-01), Koga
Publ. Fernseh-Und Kino-Technik 38, No. Jun. 1984, pp. 231-238, "Verbesserung der PAL-Bildqualitaet durch digitale Interframetechnik" (Improving PAL Picture Quality by a Digital Interframe Technique).

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