Fitness-for-Duty Classification using Temporal Sequences of Iris Periocular images

• URL: http://arxiv.org/abs/2304.11858v1
• Date: Mon, 24 Apr 2023 07:14:46 GMT
• Title: Fitness-for-Duty Classification using Temporal Sequences of Iris Periocular images
• Authors: Pamela C. Zurita, Daniel P. Benalcazar, Juan E. Tapia
• Abstract summary: Fitness for Duty (FFD) techniques detects whether a subject is Fit to perform their work safely, or if they are Unfit. Human iris behaviour provides valuable information to predict FFD since pupil and iris movements are controlled by the central nervous system. This work aims to classify FFD using sequences of 8 iris images and to extract spatial and temporal information.
• Score: 1.7188280334580195
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Fitness for Duty (FFD) techniques detects whether a subject is Fit to perform their work safely, which means no reduced alertness condition and security, or if they are Unfit, which means alertness condition reduced by sleepiness or consumption of alcohol and drugs. Human iris behaviour provides valuable information to predict FFD since pupil and iris movements are controlled by the central nervous system and are influenced by illumination, fatigue, alcohol, and drugs. This work aims to classify FFD using sequences of 8 iris images and to extract spatial and temporal information using Convolutional Neural Networks (CNN) and Long Short Term Memory Networks (LSTM). Our results achieved a precision of 81.4\% and 96.9\% for the prediction of Fit and Unfit subjects, respectively. The results also show that it is possible to determine if a subject is under alcohol, drug, and sleepiness conditions. Sleepiness can be identified as the most difficult condition to be determined. This system opens a different insight into iris biometric applications.

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