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. 15, 2012
Filed:
Jun. 14, 2007
Applicants:
Julien Rebut, Paris, FR;
Joël Leleve, Epinay sur Seine, FR;
Inventors:
Julien Rebut, Paris, FR;
Joël Leleve, Epinay sur Seine, FR;
Assignee:
Valeo Vision, Bobigny, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for determining the distance of visibility for a driver of a vehicle in the presence of an element disrupting the visibility of the driver, the method comprising the following steps: determining the luminosity of the pixels of a region of an image taken in the field of vision of the driver, resulting in a luminosity curve, determining a first tangent to the curve of luminosity, determining a second tangent to the curve of luminosity, determining a sweep-line according to the first tangent and second tangent, the sweep-line being representative of the distance of visibility.