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Apparatus and method for the automated marking of defects on webs of material

  • US 20050232475A1
  • Filed: 04/19/2004
  • Published: 10/20/2005
  • Est. Priority Date: 04/19/2004
  • Status: Active Grant
First Claim
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1. A method of analyzing the characteristics of a web of material, comprising:

  • imaging at least a portion of a web to provide digital information;

    processing the digital information with an initial algorithm to identify regions on the web containing anomalies;

    placing fiducial marks on the web;

    recording positional information localizing the identified regions relative to the fiducial marks; and

    applying locating marks to the web identifying the position of at least some of the anomalies, using the positional information and the fiducial marks as a guide.

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