Scanning line interpolation circuit

Details Scanning line interpolation circuit Scanning line interpolation circuit

1990-08-13

1993-06-01

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358142, 358 12, H04N 704

Patent

active

052165051

ABSTRACT:
A scanning line interpolation circuit for reproducing scanning lines not transmitted through interpolation on the basis of a main scanning line signal and an auxiliary signal both transmitted, wherein an interpolated scanning line signal is generated on the basis of the main scanning line signal and auxiliary signal with respect to a frequency band used to transmit the auxiliary signal and an interpolated scanning line is generated in response to picture motion on the basis of only the main scanning line signal with respect to a frequency band used not to transmit the auxiliary signal.

REFERENCES:
patent: 4672445 (1987-06-01), Casey et al.
patent: 4677483 (1987-06-01), Dischert et al.
patent: 4745459 (1988-05-01), Ninomiya et al.
patent: 4884127 (1989-11-01), Isnardi et al.
patent: 4885631 (1989-12-01), Fukinnki et al.

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