The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2016
Filed:
Mar. 15, 2013
Uwe Nehse, Geraberg, DE;
Marco Buechner, Erfurt, DE;
Uwe Nehse, Geraberg, DE;
Marco Buechner, Erfurt, DE;
CARL MAHR HOLDING GMBH, Goettingen, DE;
Abstract
A method for ascertaining the position of an edge in or on an object surface region of interest by optical scanning. The reflectivity of the object surface region is evaluated. Light is emitted onto the object surface region under different illumination conditions, in particular different light incidence directions, and in each illumination condition a sequence Sto Sn of camera images B is recorded. Each camera image B of a sequence Sto Sn is recorded at another illumination intensity I. Subsequently in each case one reflectivity image Rto Rn is produced from a plurality of or from all camera images B of a sequence Sto Sn. Thereafter, a resulting reflectivity image E is produced from a plurality of or from all reflectivity images Rto Rn by weighted addition, in which resulting reflectivity image E the position of an edge is determined.
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