Communications: electrical – Digital comparator systems
Patent
1977-10-27
1980-08-19
Boudreau, Leo H.
Communications: electrical
Digital comparator systems
3401463F, 3401463Y, G06K 912
Patent
active
042186730
ABSTRACT:
A pattern matching method for recognizing a pattern projected on a picture screen consisting of a plurality of picture elements by scanning the screen in which the plurality of picture elements are divided into a plurality of picture element groups, each group consisting of a plurality of picture elements, a sum of informations within each of the plural picture element groups is obtained, and the total sum of the information amounts of the picture element groups are used to represent the pattern on the picture screen.
An apparatus for carrying out the above method having a picture screen on which a pattern to be recognized is projected, the screen consisting of a plurality of picture element groups, each group including a plurality of picture elements, a device which scans the screen to produce a sum of information amounts of each of the plurality of picture element groups, and a circuit device which produces a line or series information based on the sums of the informations of the plural picture element groups.
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Buyle-Bodin et al., "A Letter Encoder . . . ," Proceedings of the Conf. on Machine Perception of Patterns & Pictures, England, Apr. 1972, pp. 216-222.
Cork et al., "Programming Approach to Pattern Rec.," IBM Tech. Disclosure Bulletin, vol. 18, No. 4, Sep. 1975, pp. 1182-1184.
Boudreau Leo H.
Hajime Industries Ltd.
Morrison Thomas R.
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