Optical-digital method and processor for pattern recognition

Details Optical-digital method and processor for pattern recognition Optical-digital method and processor for pattern recognition

1992-11-05

1999-09-14

Chang, Jon

Image analysis

Pattern recognition

Feature extraction

382212, 382278, G06K 946, G06K 974, G06K 980

Patent

active

059534524

ABSTRACT:
The invention is an optical-digital method and processor which uses micro-optical lenslet arrays and fixed masks to implement an angular correlation algorithm and the Hough transform for extracting amplitude and geometric features from objects embedded in video imagery. The optical-digital processor can be interfaced to a variety of sensors and can be used to classify objects when used in conjunction with a neural network.

REFERENCES:
patent: 3394347 (1968-07-01), Crane
patent: 4862511 (1989-08-01), Peppers et al.
patent: 5101270 (1992-03-01), Boone et al.
Levine, Martin D. "Vision in Man and Machine." McGraw-Hill, 1985, p. 518.

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