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:
Nov. 12, 2019
Filed:
Jan. 08, 2018
Applicant:
Nikon Corporation, Tokyo, JP;
Inventors:
Ripul Bhutani, Mountain View, CA (US);
Ping-Wei Chang, San Jose, CA (US);
Bausan Yuan, San Jose, CA (US);
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/365 (2011.01); G06T 5/00 (2006.01); H04N 9/73 (2006.01); H04N 5/232 (2006.01); H04N 1/60 (2006.01); H04N 5/217 (2011.01); H04N 9/64 (2006.01);
U.S. Cl.
CPC ...
H04N 5/3656 (2013.01); G06T 5/002 (2013.01); G06T 5/003 (2013.01); H04N 1/6027 (2013.01); H04N 5/217 (2013.01); H04N 5/23293 (2013.01); H04N 9/646 (2013.01); H04N 9/735 (2013.01); G06T 2207/10024 (2013.01); G06T 2207/20032 (2013.01); G06T 2207/20036 (2013.01); G06T 2207/20221 (2013.01); H04N 1/6005 (2013.01);
Abstract
Dehazed images are produced based on an atmospheric light image obtained form an input image as brightest pixels of a predetermined window and white map. The white map is median filtered, morphologically filtered and, in some examples, filtered with a guided filter, and the filtered image combined with the atmospheric light image to produce a dehazed image.