System for correcting errors in the dimensional location of fibe

Details System for correcting errors in the dimensional location of fibe System for correcting errors in the dimensional location of fibe

1984-05-11

1987-06-30

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

250227, 382 67, G06K 920

Patent

active

046776834

ABSTRACT:
A system for correcting the manufacturing errors and variations in the positional alignment and spacing of optical fibers in the scanning head of an automatic digitizing system. A scan head signature is produced by measuring the actual X and Y position for each optical fiber including the variation of each fiber from its nominal X and Y positions. An X correction circuit and a Y correction circuit use the head signature data stored in a signature correction memory to correct the X and Y positions of the stream of scan line data to thereby provide a true video scan of the document data.

REFERENCES:
patent: 3872434 (1975-03-01), Duvall et al.
patent: 3962681 (1976-06-01), Requa et al.
patent: 4249217 (1981-02-01), Korte et al.
patent: 4558372 (1985-12-01), Culter
patent: 4570063 (1986-02-01), De Bie et al.

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