Effectiveness for a Sleepiness Test of Pupil Size Estimation During Blink

  title={Effectiveness for a Sleepiness Test of Pupil Size Estimation During Blink},
  author={Minoru Nakayama and Keiko Yamamoto and Fumio Kobayashi},
Pupillary response has been used for an index of sleepiness, but the validity of the index is not clear. In this paper, the influence of blinks on the Pupillary Unrest Index (PUI) and the Power Spectrum Density (PSD) for the frequency range 0 . 1< f < 0.8Hz, as indices of pupil’s instability during a sleepiness test, was examined. To estimate pupil size during blink, a procedure for collecting the clinical data was developed using Support Vector Regression (SVR). The values of PUI increased… CONTINUE READING


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