Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Patent
1998-07-03
1999-11-23
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
342 73, 342 75, 342359, 343754, 343757, H01Q 322
Patent
active
059908297
ABSTRACT:
A computer vision system is disclosed that utilizes a spinning array of podetectors. The array is rotated about the focal plane of a lens and scans all the possible orientations and positions of the edges of the unknown object. In one embodiment, the photodetectors are elongated so as to provide for maximum light gathering ability along the direction of elongation and a minimum light gathering ability in the direction perpendicular to the direction of elongation. In other embodiments, optical means are used to focus the image onto conventional photodetectors while still having the ability to more efficiently determine edge segments of unknown objects. The system efficiently and rapidly implements the wavelet projection transform to characterize-multi-scale edge segment features of an image of an unknown object. An imaging radar system that utilizes a spinning antenna system having frequency scanning provisions is also disclosed.
REFERENCES:
patent: 5225839 (1993-07-01), Okurowski et al.
patent: 5506920 (1996-04-01), Suemura et al.
Bechtel, Esq. James B.
Phan Dao L
Tarcza Thomas H.
The United States of America as represented by the Secretary of
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