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:
Feb. 24, 2015
Filed:
Mar. 22, 2012
Applicants:
Bijesh Poyil, Bangalore, IN;
Anil Sripadarao, Bangalore, IN;
Inventors:
Bijesh Poyil, Bangalore, IN;
Anil Sripadarao, Bangalore, IN;
Assignee:
Analog Devices Technology, Hamilton, BM;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/48 (2006.01); G06T 7/00 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0085 (2013.01); G06T 2207/20072 (2013.01); G06T 2207/20136 (2013.01); G06T 2207/20141 (2013.01);
Abstract
A method for tracing edges of an image using hysteresis thresholding includes: (i) receiving an edge map of the image, (ii) scanning one row of the input edge map, (iii) assigning a label to each edge pixel in the row based at least in part on the presence or absence of a neighboring edge pixel, (iv) grouping contiguous labels, and (v) identifying groups of edge pixels.