Image understanding system

Details Image understanding system Image understanding system

1988-10-05

1990-03-06

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 57, 382 61, 358453, G06K 920

Patent

active

049072854

ABSTRACT:
An image understanding system of this invention uses a grammer describing a document image, and represents the structure of an unknown input image by parsing a statement (the structure of the grammar) written in accordance with this grammer. In other words, the grammer describes an image as substructures and the relative relation between them, and when the substructures and their relative relation are identified in parsing, search is then made whether or not the substructures and their relative relation exist in an unknown input image. The structure of the unknown input image is represented on the basis of the result of this search.

REFERENCES:
patent: 4516265 (1985-05-01), Kizu et al.
Giloi, et al., "A Grammar Approach for the Detection of Patterns . . . ", AICA Conf. on Hybrid Comp., Aug. 27-31, 1973, Conf. 7, pp. 280-284.
Shaw A. C., "Parsing of Graph-Representable Pictures", Journal of the Assoc. for Comp-Mach., vol. 17, No. 3, 7/70, pp. 453-481.
Uhr, L., "Flexible Linguistic Pattern Recognition", Pattern Recognition, vol. 3, 1971, pp. 363-383, Permagan Press, N.Y.

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