Pattern recognition system having inter-pattern spacing correcti

Details Pattern recognition system having inter-pattern spacing correcti Pattern recognition system having inter-pattern spacing correcti

1991-05-01

1992-11-03

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 9, 364419, 395 63, G06K 962

Patent

active

051612453

ABSTRACT:
A pattern recognition system having inter-pattern spacing correction is disclosed which recognizes words and determines where to place spaces between those words by (a) storing each input character in one or more buffers in memory, (b) comparing the last entry of each buffer against a dictionary of known words, (c) copying last entries which match words to new buffers and placing a space after the last entry in the old buffer, (d) deleting a buffer when a last entry from that buffer does not at least match the beginning of a known word in the dictionary, (e) repeating steps (a) through (d) until all the buffers have been deleted or until an end character, such as a carriage return or period has been stored in each buffer, (f) again comparing the last entries from each buffer to the dictionary and deleting any buffer having a last entry which is not a known word in the dictionary or which does not end with a space followed by an end character, and (g) saving and/or outputting the remaining words. Common words which appear in each buffer, and have therefore been positively identified, can be saved or output to reduce the size of each buffer at any point in the process. Words can either be output in the longest possible combined form or in shorter segmented forms as desired by a user.

REFERENCES:
patent: 3925761 (1975-12-01), Chaires et al.
patent: 4010445 (1977-03-01), Hoshino
patent: 4580241 (1986-04-01), Kucera
patent: 4701851 (1987-10-01), Bass et al.
patent: 4704703 (1987-11-01), Fenwick
patent: 4731857 (1988-03-01), Tappert
patent: 5050218 (1991-09-01), Ikeda et al.

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