Image analysis – Histogram processing – For setting a threshold
Patent
1986-11-03
1988-03-15
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 13, G06K 962
Patent
active
047318570
ABSTRACT:
A method of processing a word with the segmentation and recognition steps combined into an overall scheme. This is accomplished by a three step procedure. First, potential or trail segmentation points are derived. This is done in a manner so as to ensure that essentially all true segmentation points are present but also includes extra or not true segmentation points. Second, all combinations of the segments that could reasonably be a character are sent to a character recognizer to obtain ranked choices and corresponding scores. Finally, the recognition results are sorted and combined so that the character sequences having the best cummulative scores are obtained as the best word choices. For a particular word choice there is a corresponding character segmentation, simply the segment combinations that resulted in the chosen characters. With this recognition scheme the initial character segmentation is not final and need not be highly accurate, but is subject to a lesser constraint of containing the true segmentation points.
REFERENCES:
patent: 4284975 (1981-08-01), Odaka
patent: 4317109 (1982-02-01), Odaka et al.
patent: 4365235 (1982-12-01), Greanias et al.
patent: 4542526 (1985-09-01), Satoh et al.
patent: 4561105 (1985-12-01), Crane et al.
Boudreau Leo H.
International Business Machines - Corporation
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