Edge detection analyzer

Details Edge detection analyzer Edge detection analyzer

1976-07-23

1977-10-11

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 93, 358107, H04N 700

Patent

active

040539288

ABSTRACT:
A contrast detection analyzer for detecting all edges sensed during a cirar scan and their angles with respect to vertical, wherein an edge near the center of the scan is detected, the angle is measured regardless of the light or dark orientation, and the exclusivity of the edge is determined. The analyzer output is in a digitized format suitable for computer calculations.

REFERENCES:
patent: 3963866 (1976-06-01), Tanie

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