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:
Feb. 12, 2019

Filed:

Jan. 11, 2017
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Jun Seong Bang, Daejeon, KR;

Dong Chun Lee, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04L 29/06 (2006.01); G06F 21/31 (2013.01); H04W 12/06 (2009.01);
U.S. Cl.
CPC ...
G06K 9/00355 (2013.01); G06F 21/31 (2013.01); H04L 63/0861 (2013.01); H04W 12/06 (2013.01);
Abstract

Provided is a user authentication method using a natural gesture input. The user authentication method includes recognizing a plurality of natural gesture inputs from image data of a user, determining number of the plurality of natural gesture inputs as total number of authentication steps, determining a reference ratio representing a ratio of number of authentication steps requiring authentication pass to the total number of the authentication steps, determining an actual ratio representing a ratio of number of authentication steps, where authentication has actually passed, to the total number of the authentication steps, and performing authentication on the user, based on a result obtained by comparing the actual ratio and the reference ratio.


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