Fig. 7From: A fusion approach based on infrared finger vein transmitting model by using multi-light-intensity imagingThe finger vein images captured through ten different light intensities. a Duty of PWM is 10%. b Duty of PWM is 20%. c Duty of PWM is 30%. d Duty of PWM is 40%. e Duty of PWM is 50%. f Duty of PWM is 60%. g Duty of PWM is 70%. h Duty of PWM is 80%. i Duty of PWM is 90%. j Duty of PWM is 100%Back to article page