Image analysis – Histogram processing – For setting a threshold
Patent
1982-02-18
1985-06-18
Martin, John C.
Image analysis
Histogram processing
For setting a threshold
382 40, 382 48, G06K 900, G06K 972, G06K 920
Patent
active
045244537
ABSTRACT:
A postal code distinguishing apparatus extracts characters from an address code appearing on a mail article, forms words from the extracted characters, stores in a memory a set of key words (i.e., "ATTN", "TEL", "P.O. BOS", etc.) which indicate that a numeric code on the same line is not a postal code, compares the key words with the extracted words, and sorts the mail articles accordingly. In this manner, the various lines of the address code are "eliminated" such that the numeric code on the remaining line is automatically read out as the postal code.
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"Performance Evaluation of Word Recognition System with Dictionary", Electronics and Communication in Japan, by Abe et al., vol. 52-c, No. 6, 1969.
Egami Kazunari
Nishijima Yasuo
Tsukakoshi Naoto
Umeda Tetsuo
Martin John C.
Nippon Electric Co. Ltd.
Parker Michael D.
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