Image analysis – Histogram processing – For setting a threshold
Patent
1985-04-09
1989-03-28
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 30, 382 34, G06K 934
Patent
active
048171719
ABSTRACT:
A pattern recognition system comprising pattern scanning data input means (1), a dichotomizing device (3), a feature matching device (5), a label assignment circuit (7) and a syntactic decision processing device (9). The label assignment circuit assigns labels and confidence measures to data corresponding to successive areas of the pattern. The syntactic decision processing device (9) comprises a buffer for storing area values comprising positional information, corresponding labels and confidence measures for adjacent areas in the pattern forming a two dimensional array and also comprises decision means for outputting labels and positional information for those areas whose confidence measures form two dimensional maxima with respect to those for neighboring areas in the array. The system may operate continuously as area values corresponding to successive portions of input data are added to the buffer.
REFERENCES:
patent: 3303466 (1967-02-01), Holt
patent: 3519990 (1970-07-01), Holt
patent: 3603930 (1971-09-01), Britt
patent: 3603931 (1971-09-01), Britt et al.
patent: 3717848 (1973-02-01), Irvin et al.
patent: 3810093 (1974-05-01), Yasuda et al.
patent: 3878509 (1975-05-01), Kikuchi et al.
patent: 4027284 (1977-05-01), Hoshino et al.
patent: 4110737 (1978-08-01), Fahey et al.
patent: 4119946 (1978-10-01), Taylor
patent: 4153897 (1979-05-01), Yasuda et al.
patent: 4379283 (1983-04-01), Ito et al.
patent: 4596038 (1986-06-01), Yoshida
IEE Conference on Patent Recognition, 1986, "A Practical Technique for Feature Detection"--R. H. Britt, pp. 347-354.
IBM Journal--Jan. 1963--"Computer Automated Design of Multi-Font Print Recognition Logic"--Kamentsky and Liu.
Optical Character Recognition (Spartan Books, 1962), "Some Important Factors in the Practical Utilization of OCR Readers"--Greanias.
IRE Transactions of Information Theory, vol. IT-8, No. 2, Feb. 1962, J. J. Leimer: "Design Factors in the Development of an Optical Character Recognition Machine", pp. 167-171.
The IBM 1975 Optical Page Reader, Part 1: System Design by R. B. Hennis, dated Sep. 1968, pp. 346-353.
Proceedings of the 4th International Joint Conference on Pattern Recognition, Nov. 7-10, 1978, Kyoto (JP), H. Fujisawa et al.: "Development of a Kanji OCR: An Optical Chinese Character Reader", pp. 817-820.
IEEE Transactions of Electronic Computer, vol. EC-13, No. 5, Oct. 1964, C. N. Liu: "A Programmed Alogorithm for Designing Multi-Font Character Recognition Logics", p. 589.
Boudreau Leo H.
British Telecommunications public limited company
Couso Jose L.
LandOfFree
Pattern recognition system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pattern recognition system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pattern recognition system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1666281