Optical apparatus for use in image recognition

Details Optical apparatus for use in image recognition Optical apparatus for use in image recognition

1992-04-28

1994-03-08

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

356390, 359638, 359834, G06K 900

Patent

active

052934284

ABSTRACT:
An image recognition apparatus comprises a support for placing thereon an inspection object, an impage pickup unit spaced from the support for detecting an image of the inspection object, and an image alternating unit arranged in an optical path extending between the support and the image pickup unit. The image alternating unit includes a quadratic prism which has a longitudinal axis substantially in parallel to the support, and the quadratic prism has two incident surfaces directed toward the support and two exit surfaces directed away from the support.

REFERENCES:
patent: 3560082 (1971-02-01), Borch et al.
patent: 4148065 (1979-04-01), Nakagawa et al.
patent: 4191477 (1980-03-01), Schick
patent: 4744659 (1988-05-01), Kitabayashi
patent: 4750810 (1988-06-01), Domlin et al.
patent: 4881863 (1989-11-01), Braginsky
patent: 4906099 (1990-03-01), Casasent
patent: 4940312 (1990-07-01), Hofmann
patent: 4962423 (1990-10-01), Yamada
patent: 5086477 (1992-02-01), Yu et al.

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