Aperture correction circuit

Details Aperture correction circuit Aperture correction circuit

1988-03-14

1989-10-24

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 37, H04N 514

Patent

active

048765996

ABSTRACT:
An aperture correction circuit adds to the input video signal an aperture correction signal formed from the input video signal and which is subject to non-linear processing to thereby effect the aperture correction for a picture of low or high contrast.

REFERENCES:
patent: 4499486 (1985-02-01), Faureau et al.
Oliphant et al., "A Telecine Processing Channel", SMPTE Journal, 7/79, vol. 88, No. 7, pp. 474-480.

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