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:
Jun. 23, 2015
Filed:
May. 15, 2012
Applicants:
Juan Liu, Cupertino, CA (US);
Ajay Raghavan, Mountain View, CA (US);
Robert R. Price, Palo Alto, CA (US);
Inventors:
Juan Liu, Cupertino, CA (US);
Ajay Raghavan, Mountain View, CA (US);
Robert R. Price, Palo Alto, CA (US);
Assignee:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 7/00 (2006.01); H04N 5/228 (2006.01); H04N 5/262 (2006.01); H04N 5/208 (2006.01); H04N 5/225 (2006.01); G06K 9/40 (2006.01); G06K 9/48 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0081 (2013.01); G06T 7/0085 (2013.01); G06T 2207/10004 (2013.01); G06T 2207/20141 (2013.01); G06T 2207/20224 (2013.01); G06T 2207/30232 (2013.01); G06T 2207/30236 (2013.01);
Abstract
A method () is provided for detecting an obstruction within a field of view of a camera () from an image () captured by the camera (). The method () includes: analyzing the image () by applying edge detection () to the image (), identifying () regions of the image () lacking edge content and comparing () a size of the identified regions to a threshold; and determining if there is an obstruction based upon a result of said comparison.