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.

Date of Patent:
Mar. 17, 2015

Filed:

Apr. 04, 2012
Applicant:

Roman Louban, Crailsheim, DE;

Inventor:

Roman Louban, Crailsheim, DE;

Assignee:

DCG Systems, Inc., Fremont, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/36 (2006.01); G06T 7/60 (2006.01);
U.S. Cl.
CPC ...
G06T 7/606 (2013.01); G06T 2207/10004 (2013.01); G06T 2207/20021 (2013.01); G06T 2207/30152 (2013.01); G06T 2207/30172 (2013.01);
Abstract

A method for calculating a centreline of an object is disclosed. An image of the object is divided into test areas. For each test area, detection direction and scanning direction are assigned from a list of limited directions. For each test area, at each scanning point a local point of the centreline is determined along the detection direction. An assigned smoothing function is applied to the collection of local points to determine the collection of pixels which define the centreline. The collection of pixels can be used to calculate the length of the centreline. Also, the coordinates of the pixels of the centreline can be used to average the intensity of the image along the centreline.


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