Apparatus for reading a document and processing the image

Image analysis – Histogram processing – For setting a threshold

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382 50, 382 51, 382 53, 358449, 358451, 358464, G06K 920

Patent

active

052280993

ABSTRACT:
An image processing system characterized by recognizing a document area and binarizing an image data read from a document based on an image data read from the recognized document area.

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patent: 4672461 (1987-06-01), Yoshida
patent: 4701807 (1987-10-01), Ogino
patent: 5086486 (1992-02-01), Yamada

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