Methods and apparatus for inspecting the appearance of substanti

Details Methods and apparatus for inspecting the appearance of substanti Methods and apparatus for inspecting the appearance of substanti

1994-09-30

1996-12-24

Boudreau, Leo

Image analysis

Applications

Manufacturing or product inspection

382199, 348 92, 348125, 356237, G06K 900

Patent

active

055880681

ABSTRACT:
Substantially circular objects such as the ends of the filters of filter tipped cigarettes are inspected for acceptable appearance utilizing a blob analysis which includes imaging a peripheral region so as to provide resolution along the edge of the circular object.

REFERENCES:
patent: 3818223 (1974-06-01), Gibson et al.
patent: 4606635 (1986-08-01), Miyazawa et al.
patent: 4969746 (1990-11-01), McConnell et al.
patent: 4972494 (1990-11-01), White et al.
patent: 4976544 (1990-12-01), Neri
patent: 5127737 (1992-07-01), Neri
patent: 5432600 (1995-07-01), Grollimund et al.

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