US 9,813,676 B2
Use of mobile device with image sensor to retrieve information associated with light fixture
Aleksandar Jovicic, Jersey City, NJ (US); and Kumar Appaiah, Piscataway, NJ (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 11, 2013, as Appl. No. 14/103,832.
Prior Publication US 2015/0163459 A1, Jun. 11, 2015
Int. Cl. H04N 5/28 (2006.01); H04N 7/18 (2006.01); G06K 9/46 (2006.01); G06T 7/00 (2017.01); G01S 1/70 (2006.01); G01S 5/16 (2006.01)
CPC H04N 7/183 (2013.01) [G01S 1/70 (2013.01); G06K 9/4661 (2013.01); G06T 7/00 (2013.01); H04N 5/28 (2013.01); G01S 5/16 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A method of using a mobile device equipped with an image sensor to retrieve information associated with a light fixture, comprising:
capturing, at the image sensor of the mobile device, an image of an illuminated indicia, the illuminated indicia co-located with the light fixture and having at least one characteristic of a set of possible characteristics assigned to the light fixture for distinguishing the light fixture from other light fixtures;
identifying at least one corner of an illuminated region at least partly defining the image of the illuminated indicia;
determining, from the mobile device processing the image of the illuminated indicia, the at least one characteristic that comprises a position of the image of the illuminated indicia with respect to the at least one corner of the illuminated region; and
retrieving information associated with the at least one characteristic of the illuminated indicia.