Communications: electrical – Digital comparator systems
Patent
1973-01-22
1976-02-24
Boudreau, Leo H.
Communications: electrical
Digital comparator systems
3401463MA, G06K 912
Patent
active
039407373
ABSTRACT:
Characters are skeletonized to form skeleton characters consisting of single series of character positions. A skeletonizing cycle consists of one mark scanning operation, followed by two peeling scanning operations. The criteria for marking and peeling can be better adapted to each other in this manner. Skeletonizing, thus, is rendered substantially independent of the sequence in which the character positions are treated, so that notably the symmetry of the character elements remains the same. Moreover, the occurrence of random tails can be avoided to a substantial degree.
REFERENCES:
patent: 3106699 (1963-10-01), Kamentsky
patent: 3339179 (1967-08-01), Shelton, Jr. et al.
patent: 3706071 (1972-12-01), Gray
patent: 3735349 (1973-05-01), Beun et al.
patent: 3766520 (1973-10-01), Patterson
Bomba, "Alpha-Numeric Char. Rec. Using Local Operations," 1959 Proc. of Eastern Joint Computer Conference, pp. 218-224.
McCormick, "Illiac III," IEEE Transactions on Electronic Computers, Vol. EC-12, No. 5, Dec., 1963 pp. 800-804.
Boudreau Leo H.
McGlynn Daniel R.
Trifari Frank R.
U.S. Philips Corporation
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