Apparatus for reading a document and processing the image

Details Apparatus for reading a document and processing the image Apparatus for reading a document and processing the image

1991-05-10

1992-02-04

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

358282, 358293, 382 50, G06K 938

Patent

active

050864866

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.

REFERENCES:
patent: 4439790 (1984-03-01), Yoshida
patent: 4468703 (1984-08-01), Fujiwara et al.
patent: 4475234 (1984-10-01), Nishijima et al.
patent: 4547811 (1985-10-01), Ochi et al.
patent: 4554592 (1985-11-01), Yoshida
patent: 4578712 (1986-03-01), Matsunawa
patent: 4623938 (1986-11-01), Asano et al.
patent: 4672461 (1987-01-01), Yoshida
patent: 4701807 (1987-10-01), Ogino

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