Tabular document reader service

Details Tabular document reader service Tabular document reader service

1990-11-20

1992-06-02

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 30, 382 36, 382 40, 382 61, 358453, G06K 934, G06K 962, G06K 972, G06K 920

Patent

active

051194376

ABSTRACT:
A tabular document reader device for recognizing characters on a tubular document which is composed of a plurality of items and which has different categories according to each of the items includes a ruled line extracting portion (14) for detecting and extracting ruled lines from the read tabular document. An item specifying input portion (15) inputs proper reading conditions for items delimited by the extracted ruled lines. A character recognizing portion (17) limits what should be recognized in the respective items according to the input reading conditions for the items.

REFERENCES:
patent: 4811412 (1989-03-01), Katsurada
patent: 4933984 (1990-06-01), Nakano et al.

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