Four-quadrant gate-sizing technique

Details Four-quadrant gate-sizing technique Four-quadrant gate-sizing technique

1983-03-31

1985-10-22

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

364516, H04N 718

Patent

active

045492115

ABSTRACT:
A four-quadrant frame of reference, established with respect to a sensed target image, effectively converts the image into a composite target regardable as the union of four, quadrant-based target-segments. Four subgates, each established within a different reference-frame quadrant, become in union a composite tracking gate. As the effectualization of the actual gate-sizing, the degree of conformity between the composite gate and the composite target is then optimized by optimizing the degree of conformity between the subgates and the associated target-segments.

REFERENCES:
patent: 3733434 (1973-05-01), Weinstein
patent: 3769456 (1973-10-01), Woolfson
patent: 3988534 (1976-10-01), Sacks
patent: 4123017 (1978-10-01), Lewis et al.
patent: 4189747 (1980-02-01), Funari
patent: 4219847 (1980-08-01), Pinkney et al.

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