Address region detecting apparatus using circumscribed rectangul

Details Address region detecting apparatus using circumscribed rectangul Address region detecting apparatus using circumscribed rectangul

1995-03-30

1998-04-07

Johns, Andrew

Image analysis

Applications

Mail processing

382180, G06K 900

Patent

active

057374376

ABSTRACT:
In an apparatus for detecting an address region on postal matter, an image having address information of the postal matter is converted to a digital signal, and a region associated with the digital signal is found. The associated region is converted to rectangular data indicating a rectangular region circumscribed with the associated region. The rectangular data is subjected to predetermined processing and compared with already known information, thereby easily and exactly effecting address region judgment.

REFERENCES:
patent: 4158835 (1979-06-01), Miura et al.
patent: 4481665 (1984-11-01), Ota
patent: 4484348 (1984-11-01), Shizuno
patent: 5321768 (1994-06-01), Fenrich et al.
Yeh et al., "Address Location on Envelopes," Pattern Recognition, vol. 20, No. 2, 1987, pp. 213-227.

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