We developed an individual identification method using the difference of blinking speed distribution. This feature
of blinking was measured by a high-speed camera and extracted the time variation as a percentage of the eyelid aperture. Next,
a calculation of normalized correlation was used to evaluate the speed distribution in each position of eyelid. As a result of
comparative experiment between voluntary and spontaneous brink by 6 participants, we found that the accuracy of individual
identification with voluntarily is better than spontaneity.
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