Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1985-11-01
1988-04-12
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 36, H04N 521
Patent
active
047378506
ABSTRACT:
In field/frame recursive filters for providing noise reduction to composite video signal, inversion of the chrominance component of the composite video signal is obviated by selecting nearest neighbor in-phase field/frame delayed signals for recursion. The system arbitrates between two or more nearest neighbor in-phase signals or combinations thereof and feeds back the signal having an amplitude most closely matching the incoming composite video signal.
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H. Urkowitz, "Analysis and Synthesis of Delay Line Periodic Filters", IRE Trans. on Circuit Theory, Jun. 1957, pp. 41-53.
Acampora Alfonse
Lu Chung H.
Chin Tommy P.
Herrmann E. P.
Rasmussen P. J.
RCA Corporation
Whitacre E. M.
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