Image analysis – Image sensing – Magnetic
Patent
1993-06-11
1998-12-01
Couso, Yon
Image analysis
Image sensing
Magnetic
382190, G06K 900
Patent
active
058450203
ABSTRACT:
The invention relates to optical character recognition and to apparatus for representing characters in a manner analogous to the field which one would expect to be induced on the retina of the eye by a particular character. A character to be recognized is compared with the same type of representation for prototypical characters and the determination made, using an elastic model, of the amount of deformation required to change the field of induction of the scanned character into the shape of that of the prototypical character. Character recognition is achieved by determining which prototypical character requires minimum energy to deform into that of the scan character or vice versa.
REFERENCES:
patent: 3818446 (1974-06-01), Benson
patent: 3874586 (1975-04-01), Foote et al.
patent: 4475238 (1984-10-01), Everhart
Systems, Computers, Controls, vol. 3, No. 3, May 1972, Washington US pp. 1-9 T. Kubota et al `Handwritten character recognition using transformation by field` Section "5 Pattern transformation II -Case where standard pattern field exist" *figs. 7-13*.
Pattern Recognition, vol. 5, No. 3, Sep. 1973, Elmsford, NY pp. 175-197 B. Widrow `The "rubber-mask" technique -I. Pattern measurement and analysis` Section 2. Chromosome analysis and classification *figs 3-7*.
International Journal of Computer vision, bol. 8, No. 2, Aug. 1992, Norwell US pp. 89-111, XP306598, A.L. Tuille `Feature extraction from faces using deformable templates` Section I. Introduction.
Int. Joint Conf. on Neural Networks, vol. 1, 8 Jul. 1991, Seattle, WA pp. 7-12, XP238261, A. L. Yuille et al `Particles tracking by deformable templates` Section "The deformable template".
ATR Auditory and Visual Perception Research Laboratories
Couso Yon
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