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. 30, 2015
Filed:
Apr. 03, 2012
Mihajlo Grbovic, Philadelphia, PA (US);
Onno R. Zoeter, Grenoble, FR;
Christopher R. Dance, Grenoble, FR;
Guillaume Bouchard, Saint Martin le Vinoux, FR;
Shengbo Guo, Saint-Martin-d'Heres, FR;
Mihajlo Grbovic, Philadelphia, PA (US);
Onno R. Zoeter, Grenoble, FR;
Christopher R. Dance, Grenoble, FR;
Guillaume Bouchard, Saint Martin le Vinoux, FR;
Shengbo Guo, Saint-Martin-d'Heres, FR;
XEROX CORPORATION, Norwalk, CT (US);
Abstract
A system and method for generating an occupancy model are disclosed. The model is learned using occupancy data for zones, each zone including cells, which are occupied or not at a given time, each with a sensor, which may be reporting or not. The data provides an observed occupancy corresponding to a number of cells in the respective zone which have reporting sensors, and the number of those sensors which are reporting that the respective cell is occupied. The occupancy model is based on a demand model and a sensor noise model which accounts for behavior of the non-reporting sensors. The noise model assumes that the probability of a sensor being in the reporting state is dependent on whether the respective cell is occupied or not. The model can fit the occupancy data better than one which assumes that non-reporting cells are occupied with the same frequency as reporting ones.