Chroma-key tracking apparatus

Details Chroma-key tracking apparatus Chroma-key tracking apparatus

1983-11-21

1986-12-09

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 358177, H04N 5275, H04N 974

Patent

active

046283633

ABSTRACT:
A chroma-key tracking apparatus capable of automatically eliminating an unwanted partial spot noise from a chroma-key signal, to enable the generation of a correct frame around a desired portion of a television picture. The apparatus includes a noise eliminating circuit which by use of counters and comparators is capable of eliminating partial spot noises whose size in the horizontal and vertical directions is smaller than a predetermined value.

REFERENCES:
patent: 3624290 (1971-11-01), Hofmann
patent: 4163992 (1979-08-01), Inaba
patent: 4200890 (1980-04-01), Inaba
patent: 4488169 (1984-12-01), Yamamoto
patent: 4520398 (1985-05-01), Takahashi

Affiliated with

Also associated with

Rating

Chroma-key tracking apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chroma-key tracking apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chroma-key tracking apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1388171