Image analysis – Histogram processing – For setting a threshold
Patent
1991-07-31
1993-06-15
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 41, G06K 962
Patent
active
052206211
ABSTRACT:
A character recognition system and method using the generalized Hough transform are disclosed. A template table which stores edge point parameters to be used for the generalized Hough transform is compressed so as to include only predetermined parameters, and is then divided into a plurality of template tables which are respectively loaded in the memories of a plurality of subprocessors operating in parallel under the control of a main processor. In performing recognition processing, these subprocessors operate in parallel according to their related partial template tables. Character recognition using the generalized Hough transform provides a high rate of character recognition. Also, parallel processing using the compressed template tables and partial template tables helps shorten table search time and computation time, thereby increasing processing efficiency.
REFERENCES:
patent: 4618989 (1986-10-01), Tsukune et al.
patent: 4783828 (1988-11-01), Sadjadi
Engelbrecht et al., "Polyhedral Object Recognition Using Hough-Space Features," Pattern Recognition, vol. 21, No. 2, pp. 155-167, 1988.
Boudreau Leo H.
International Business Machines - Corporation
Percello Louis J.
Schlemmer, Jr. Roy R.
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