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:
May. 16, 2017
Filed:
Oct. 26, 2012
Korea Institute of Industrial Technology, Cheonan-si, Chungcheongnam-do, KR;
Hyung Tae Kim, Cheonan-si, KR;
Seung Taek Kim, Cheonan-si, KR;
KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, Cheonan-si, Chungcheongnam-Do, KR;
Abstract
Provided is a color lighting control method including a lighting device having a plurality of lighting unit, the method including the steps of: (a) applying predetermined input voltages to the plurality of lighting units respectively and obtaining image data through the camera; (b) calculating an image histogram that is a distribution graph for displaying the number of pixels corresponding to each monochrome level intensity through the image data; (c) calculating a standard deviation of the image histogram; and (d) calculating an optimal input voltage value for each of the plurality of lighting units within an adjustment range of the predetermined input voltages, wherein the optimal input voltage value maximizes the standard deviation.