Method for automatic recognition of two-dimensional shapes

Details Method for automatic recognition of two-dimensional shapes Method for automatic recognition of two-dimensional shapes

1983-12-13

1986-02-25

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 31, 382 43, 364726, G06K 978

Patent

active

045731977

ABSTRACT:
A method of automatically recognizing objects in a digital image. The pixel coordinates of the boundary of the objects are identified and stored as data. A series of Fourier coefficients describing the boundary of the object are calculated and used to generate a set of descriptors. The descriptors are stored and compared with similarly generated descriptors of other objects to determine correspondence therebetween.

REFERENCES:
patent: 4225850 (1980-09-01), Chang et al.

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