Automatic target screening

Details Automatic target screening Automatic target screening

1974-07-22

1982-04-06

Birmiel, Howard A.

Communications: electrical

Digital comparator systems

3401463Q, 3401463H, G06K 936, G06K 962

Patent

active

043238807

ABSTRACT:
A feature extraction and selection technique for the recognition of chararistics identified with man-made objects within a scene of natural terrain, wherein the frequency of occurrence of the features is plotted in the form of three-dimensional histograms which describe the features of man-made objects, such as straight edges and regular geometric shapes. Employing conventional pattern recognition techniques, these features are used to classify the imagery as man-made or non man-made.

REFERENCES:
patent: 3504342 (1970-03-01), Scarrott et al.
patent: 3576980 (1971-05-01), Doyle
patent: 3638188 (1972-01-01), Pincoffs
patent: 3748644 (1973-07-01), Tisdale
patent: 3801775 (1974-04-01), Acker

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