Correction of imaging imperfections

Details Correction of imaging imperfections Correction of imaging imperfections

1982-08-17

1985-01-01

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358282, G06K 938

Patent

active

044919638

ABSTRACT:
A system is provided for automatically correcting imaging irregularities in a document scanner which uses an electronic imaging detector. This system avoids the need of expensive correction methods and is accomplished through an electronic system whereby feedback is provided so that corrections may be made in the output to compensate for the irregularities in the system.

REFERENCES:
patent: 4003021 (1977-01-01), Sasaki et al.
patent: 4132977 (1979-01-01), Nagano
patent: 4329717 (1982-05-01), Logie et al.
patent: 4442544 (1984-04-01), Moreland et al.

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