Contact-Free Cognitive Load Recognition Based on Eye Movement

Table 4

Single feature’s recognition rates.

	Light change		Light control
	Raw	Remove individual difference	Raw	Remove individual difference
Pupil size	62.62%	64.46% ↑	56.33%	62.17% ↑
Fixation frequency	64.79%	66.25% ↑	66.21%	68.17% ↑
Blink frequency	65.66%	69.33% ↑	58.79%	63.21% ↑
Fix pupil size	62.33%	67.21% ↑	63.17%	63.71% ↑