Object recognizer

Details Object recognizer Object recognizer

1997-02-25

1999-03-30

Boudreau, Leo H.

Image analysis

Applications

Personnel identification

178 1809, 382154, 382181, 382256, 382312, 382314, 382315, 382317, G06K 900

Patent

active

058898794

ABSTRACT:
An object recognizer includes a computer system, a spatial division sensing device including a first sensor, a second sensor, and a first polarizer. An object feature generator is attached to an object and includes a plurality of object feature correspondents, and a plurality of second polarizers. By such an arrangement, the first sensor is able to detect a first signal from the second polarizers and the object feature correspondents to form a first polarized image. The second sensor co-operating with the first polarizer is able to detect a second signal from the second polarizers and the object feature correspondents to form a second polarized image. The computer system is able to execute an operation between the first image and the second image to obtain a third image, thereby determining the positions of the second polarizers on the third image so as to locate the object. The computer system is then able to detect patterns of the object feature correspondents on the first image, thereby recognizing the type of the object.

REFERENCES:
patent: 3313941 (1967-04-01), Marks
patent: 3992571 (1976-11-01), Garlick et al.
patent: 4561731 (1985-12-01), Kley
patent: 4573191 (1986-02-01), Kidode et al.
patent: 5177346 (1993-01-01), Chisholm

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