Separation of composite video signals using dot crawl detector

Details Separation of composite video signals using dot crawl detector Separation of composite video signals using dot crawl detector

2005-07-07

2008-09-30

Lee, M. (Department: 2622)

Television

Image signal processing circuitry specific to television

Chrominance-luminance signal separation

C348S663000

Reexamination Certificate

active

07430020

ABSTRACT:
The present invention relates to separation of composite video signals, such as NTSC or PAL signals. In particular, it relates to accurate decoding of chrominance and luminance components, which may reduce so-called dot crawl and false color artifacts of at least some images.

REFERENCES:
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patent: 4984068 (1991-01-01), Sugiyama et al.
patent: 5231478 (1993-07-01), Fairhurst
patent: 5325186 (1994-06-01), Ishizuka et al.
patent: 6175389 (2001-01-01), Felts, III et al.
patent: 6459457 (2002-10-01), Renner et al.
The Society of Motion Picture and Television Engineers 170M-1999 SMPTE Standard, “Composite Analog Video Signal—NTSC for Studio Applications” Apr. 21, 1999, pp. 1-19.

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