Image analysis – Histogram processing – For setting a threshold
Patent
1980-07-31
1983-09-13
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
356376, 356387, 382 20, 382 28, 382 65, G06K 900
Patent
active
044046847
ABSTRACT:
An apparatus and method for recognizing the shape of solid objects in which an object to be recognized is passed through a cylindrical rotary unit upon a transparent conveyor. Inside the cylindrical rotary unit a photoelectric sensor is provided by which light is applied to the object and light reflected from or blocked by the object is detected to provide an actual projection pattern of the object for successive small incremental angles of rotation. The actual projection spectrum thus formed for contiguous slices of the object is analyzed by a computer to recognize the shape of the object.
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Boudreau Leo H.
Unitika Ltd.
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