Study on the Identification of Irritability Emotion Based on the Percentage Change in Pupil Size

In order to explore the percentage change in pupil size that can represent the generation of irritability, the experiment of inducing irritability was designed. The pupil diameter of the participants was collected by eye movement instrument, and the data of percentage change in pupil size at different levels of irritability was analyzed by combining the subjective score table. The results showed that the percentage change in pupil size was different in different participants when the irritability level reached level 5, but generally ranged between 10% and 25%. Besides, with the constant deepening of the level of irritability, the percentage change in pupil size is increasing. Therefore, the percentage change in pupil size can be used as a measure of irritability, providing certain reference for the monitoring of irritability of operators in special positions.