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.

Date of Patent:
Aug. 26, 2014

Filed:

Sep. 23, 2013
Applicant:

Koninklijke Philips N.v., Eindhoven, NL;

Inventors:

Giovanni Cennini, Eindhoven, NL;

Vincent Jeanne, Eindhoven, NL;

Assignee:

Koninklijke Philips N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of controlling a function of a device, includes obtaining a sequence () of digital images taken at consecutive points in time. At least one measurement zone () including a plurality of image points is selected. For at least one measurement zone (), a signal () representative of at least variations in a time-varying value of a combination of pixel values at at least a number of the image points is obtained and at least one characteristic of the signal () within at least a range of interest of its spectrum relative to comparison data is determined. The determination comprises at least one of:


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