Optical images by quadrupole convolution

Details Optical images by quadrupole convolution Optical images by quadrupole convolution

1989-03-31

1991-06-25

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 27, 382 42, 382 65, G06K 952, G06K 964

Patent

active

050274198

ABSTRACT:
The invention described is a process of and an apparatus for recognizing the size, location, orientation etc. of an object without human intervention. The convolution technique is used to solve the field theory equations to generate linearity signals characteristic of points in the optical image of the object. The linearity signal is perception of linear or strip-like features in an image. The recognition is achieved by analyzing the linearity signals.

REFERENCES:
patent: 3088096 (1958-04-01), Steinbuch
patent: 3181120 (1965-04-01), Lieberman
patent: 4301443 (1981-11-01), Sternberg et al.
patent: 4720871 (1988-01-01), Chambers
patent: 4736440 (1988-04-01), Chabert

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