Constellation matching system and method

Details Constellation matching system and method Constellation matching system and method

1990-12-17

1993-06-08

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

342 64, 382 1, 382 18, C06K 900

Patent

active

052186482

ABSTRACT:
A system (10) and method for matching a set of detected points (26) to a reference constellation (20). A programmable processor (14) receives detected coordinate locations from a sensor (16) and reference coordinate locations from a reference storage device (12). The processor (14) performs a coordinate transformation from the reference coordinate frame to the detected coordinate frame and contructs a table of possible matches. Potential matches are found from the possible matches which have their difference vectors below a predefined threshold. These possible matches are then placed in a match matrix histogram (30) which is further refined to eliminate all but the best matches. The final matching then may be used to find a particular aimpoint (24) in the detected constellation (26).

REFERENCES:
patent: 4736437 (1988-04-01), Sacks
patent: 5086480 (1992-02-01), Sexton

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