Trolley wire wear measuring device using binary operated images

Details Trolley wire wear measuring device using binary operated images Trolley wire wear measuring device using binary operated images

2007-08-14

2011-12-06

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S208100

Reexamination Certificate

active

08071967

ABSTRACT:
A trolley wire wear measuring device includes a processor configured to obtain a pair of line sensor images in which luminance signals of scanning lines are arranged; a differential processor configured to perform a differential process to create a line sensor image; a binary operation processor configured to perform a binary operation process on the line sensor image obtained by the differential process to create a binary operated image in which a worn portion of the trolley wire is emphasized; an edge detector configured to detect edges of both sides of the worn portion in the binary operated image; and a worn portion width calculator configured to calculate a point-to-point distance of the both side edges as a whole width of the worn portion of the trolley wire in the binary operated image and determine a worn portion width of the trolley wire using this whole width.

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