G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 7/00 (2006.01)
Patent
CA 2051053
Abstract of the Disclosure A high resolution article handling system serves as an article discriminator or identifier by creating an object silhouette. The objects are singulated on a conveyor and scanned by a linear array of CCD units (2048 pixels per inch) at a scan rate of 10 MHz. Pixel transitions corresponding to object edge points are converted to a single count value from a counter which is synchronized with the scanner. A microprocessor with a first in, first out buffer memory needs only a capacity to handle the count value rather than all data from the pixels. Article orientation is corrected in response to signal generated by determining the count value difference between a reference value and a work article value at only the scan slice windows at equally spaced positions along the article length where differences have been predetermined to be a maximum. 5882E
Baird Randy K.
Dean Arthur L.
Martin James P.
Turcheck Stanley P. Jr.
Fmc Corporation
Sim & Mcburney
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