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- W2468482736 abstract "Authentication has become an essential part of our everyday lives through systems like passwords, PIN codes, card readers, fingerprint, retina scanners. All designed with one purpose; to confirm a person’s identity. Brain wave based authentication is another addition to the wide range of authentication systems, but with a brand new concept. The electrical activity in a human brain is used to confirm the identity. Instead of physically writing a password, one can think simply think about it. The password or ”pass-thought” can be anything that a human mind may think about, like a color, a feeling, an image, text or something else. The benefits over other systems are many. With a standard password someone can watch or ”shoulder-surf” what others type, but no one can watch thoughts. Cards and keys can be lost, but the brain is always present. Handicaps can exclude people from systems like fingerprintor retina scanners, but the brain still works. This thesis research the possibilities for a brain wave based authentication system. We perform an experiment involving twelve participants using a head set with one sensor designed to record Electroencephalographic (EEG) signals (brain waves). The participants perform eight different tasks in three sessions. We analyze the recorded signals to see if there are enough similarities and differences to distinguish tasks and participants from one another. We look at EEG signals in both the time domain and the frequency domain and extract features in order to apply an algorithm called Dynamic Time Warping as well as a feature based distance metric. The results show that similarities are most evident in the same sessions, meaning that the equipment have a noticeable impact on the performance because consecutive recordings are similar. We do end up with a complete authentication system, but based on what we have seen in related work and what we have been able to do with just one sensor, we believe that an implementation of a brain wave based authentication system is just a matter of time." @default.
- W2468482736 created "2016-07-22" @default.
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- W2468482736 date "2008-01-01" @default.
- W2468482736 modified "2023-09-27" @default.
- W2468482736 title "Brain wave based authentication" @default.
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