POSTS:
posts tagged ‘user behavior modeling’
Face tracking & computer vision
26 October 2009 | Maurice Chu
This face tracker outputs a cloud of points that map onto image coordinates, which can be used to determine the 3D orientation of a face relative to the video camera. The algorithm also overcomes the challenge of "deformable movements" such as glasses, eye blinks, and lips.
Reducing the password burden: Implicit Authentication
17 August 2009 | Elaine Shi
How many times a day do you enter passwords in different places AND multiple times in the same place? While passwords are the most widely used method for authenticating users to computer systems and protecting our information, they're also difficult to remember, inconvenient, poorly used, and not always secure. There are multiple ways to authenticate us (something we know, have, are) -- but why not use our habits or routines to implicitly authenticate us?
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