Contact-Free Cognitive Load Recognition Based on Eye Movement

Table 5

The recognition rates and features used.

		Recognition rate	Feature combination
Light control	Remove baseline	90.25%	Fix_fre; Fix_Pul_size; Sac_dur_std; Sac_vel; Sac_peak_vel
	Raw feature	85.17%	Pul_size; Fix_Pul_size; Sac_dur_std; Sac_vel; Sac_peak_vel
Light change	Remove baseline	82.95%	Fix_fre; Fix_Pul_size; Bli_fre; Sac_vel; Sac_dur; Bli_dur
	Raw feature	83.16%	Fix_fre; Fix_Pul_size; Sac_dur_std; Sac_vel; Sac_vel_var; Pul_size; Bli_fre; Bli_dur