USER AUTHENTICATION FOR DEVICES WITH TOUCH SENSITIVE ELEMENTS, SUCH AS TOUCH SENSITIVE DISPLAY SCREENS
First Claim
1. A computer-implemented method for authenticating a user, the method comprising:
- a) accepting, by a computer, finger touch information via a touch sensitive element, the finger touch information including at least a time series of finger touch samples that define a trace of a signature, wherein each of the finger touch samples includes centroid coordinates and non-centroid information, the non-centroid information including at least one of (A) a shape of the finger touch sample, (B) a size of the finger touch sample, (C) an orientation of the finger touch sample, and (D) characteristics of a multi-touch finger touch sample;
b) determining, by the computer system, a similarity between the accepted finger touch information and stored finger touch information previously provided; and
c) authenticating, by the computer system, the user using at least the determined similarity.
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Abstract
For user authentication, finger touch information from a user is accepted via a touch sensitive element, the finger touch information including at least a time series of finger touch samples that define a trace of the user'"'"'s signature, and each of the finger touch samples including centroid coordinates and non-centroid information, the non-centroid information including at least one of (A) a shape of the finger touch sample, (B) a size of the finger touch sample, (C) an orientation of the finger touch sample, and (D) characteristics of a multi-touch finger touch sample. A similarity of such finger touch samples with previously entered and stored finger touch samples is determined and compared with a threshold for purposes of user authentication.
265 Citations
11 Claims
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1. A computer-implemented method for authenticating a user, the method comprising:
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a) accepting, by a computer, finger touch information via a touch sensitive element, the finger touch information including at least a time series of finger touch samples that define a trace of a signature, wherein each of the finger touch samples includes centroid coordinates and non-centroid information, the non-centroid information including at least one of (A) a shape of the finger touch sample, (B) a size of the finger touch sample, (C) an orientation of the finger touch sample, and (D) characteristics of a multi-touch finger touch sample; b) determining, by the computer system, a similarity between the accepted finger touch information and stored finger touch information previously provided; and c) authenticating, by the computer system, the user using at least the determined similarity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus for authenticating a user, the apparatus comprising:
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a) at least one processor; b) a touch sensitive element for receiving finger touch information; and c) at least one storage device storing program instructions which, when executed by the at least one processor, perform a method including 1) accepting, by a computer, finger touch information via the touch sensitive element, the finger touch information including at least a time series of finger touch samples that define a trace of a signature, wherein each of the finger touch samples includes centroid coordinates and non-centroid information, the non-centroid information including at least one of (A) a shape of the finger touch sample, (B) a size of the finger touch sample, (C) an orientation of the finger touch sample, and (D) characteristics of a multi-touch finger touch sample, 2) determining, by the computer system, a similarity between the accepted finger touch information and stored finger touch information previously provided, and 3) authenticating, by the computer system, the user using at least the determined similarity. - View Dependent Claims (11)
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Specification