System for recognizing three-dimensional objects

Details System for recognizing three-dimensional objects System for recognizing three-dimensional objects

1984-07-24

1987-03-31

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358 88, 356 2, 356 12, 250558, G06K 900

Patent

active

046548726

ABSTRACT:
A system for recognizing a three-dimensional object includes a plurality of image pickup apparatus, e.g. TV cameras, by which images of the object are picked up from at least three directions. Feature points are extracted from each of at least three images obtained. Two sets of feature points on epipolarly lines are formed which lines are formed on at least two of the images by a feature point on another image. A set of feature points is selected which satisfy a restricting condition determined by the relationship of the image picking-up direction.

REFERENCES:
patent: 3726591 (1973-04-01), Helava et al.
patent: 3783294 (1974-01-01), Koper
patent: 4305095 (1981-12-01), Dallas
patent: 4506296 (1985-03-01), Marraud et al.

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