Method for reading a document and a document reading apparatus u

Details Method for reading a document and a document reading apparatus u Method for reading a document and a document reading apparatus u

1986-09-25

1989-03-07

Blum, Theodore M.

Image analysis

Histogram processing

For setting a threshold

382 41, 358280, G06K 920

Patent

active

048114162

ABSTRACT:
In a document reading apparatus, a document is subdivided into a plurality of information fields into which character and/or image information has been recorded in accordance with predetermined format data for a document, and an imae memory has a plurality of write regions, the number of which is smaller than that of the information fields. A system control means inspects present writable regions within the image memory from which the character/image data stored has been read out, thereby permitting the document to be transported prior to the reading of the succeeding information field of the document.

REFERENCES:
patent: 4408181 (1983-10-01), Nakayama
patent: 4651221 (1987-03-01), Yamaguchi
patent: 4712139 (1987-12-01), Kato

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