Computer vision system with improved object orientation techniqu

Details Computer vision system with improved object orientation techniqu Computer vision system with improved object orientation techniqu

1988-04-22

1990-01-02

Brigance, Gerald

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340712, 34081512, 34082519, G09G 300

Patent

active

048916307

ABSTRACT:
A system for computer vision is based upon an image sensor that maps an image to memory cells in association with a computer. An object orientation and position patch is attached to an object to be observed comprising a planar substantially coplanar and non-collinear reflective locations positioned upon the patch and a reflector having the reflective properties of the surface of a regular curved surface intersecting the planar surface. The computer has a task stored in main memory for detecting and quantifying a change in orientation and position of the object from the location of the image of the orientation and position patch.

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patent: 4443855 (1984-04-01), Bishop et al.
patent: 4648052 (1987-03-01), Friedman et al.
patent: 4748502 (1988-05-01), Friedman et al.
"Error Analysis in Stereo Determination of 3-D Point Positions", by Steven D. Blostein and Thomas S. Huang, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-9, No. 6, Nov. 1987, pp. 752-765.
"New Methods for Matching 3-D Objects with Single Perspective Views", by Radu Horaud, IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. PAMI-9, No. 4, May 1987, pp. 401-411.

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