Exact(19)
Autoregressive (AR) classifier is used to authenticate the pressure template.
His keystroke pressure template was strong against intruder attacks.
The alphanumeric keyboard (biokeyboard) extracts the pressure template for the password entered.
Figure 8 shows a typical pressure template acquired for a password of six characters.
A signal model approach is advocated here since the pressure template points are interrelated across time.
The AR algorithm uses the notion of signal analysis to reproduce the users' keystroke pressure template.
Similar(41)
AR technique uses AR-coefficients to reconstruct user pressure templates.
Although some users may have similar latency profiles, their keystroke pressure templates were easily discriminated.
This increase does not have great effect on the FAR rates as the AR classifier would reject intruders based on their pressure templates, on the contrary it will make the system more user friendly without compromising the security.
The resulting latency and pressure keystroke templates are saved in the database.
Afterwards, a homogeneously porous PZT layer accumulated at the top surface of AAO (as shown in Fig. 2b), which was an inevitable by-product using the atmosphere pressure infiltration template-assisted sol-gel method [28].
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