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Evaluation of a simple approach to disambiguation of effects of illumination and cognitive load on pupil diameter under three different lighting conditions author: Ivan Razumeni adviser: Andrew Kun ECE 791 10/26/2011 Slide 2 General problem Slide 3 Related Research (1/2) Slide 4 Related Research (2/2) model confirmed for the special case Slide 5 Specific objectives How does the vehicles size affect the estimation process? How does the gaze angle variation affects the variation of pupil size? Slide 6 Implementation Slide 7 Cognitive load estimation experiment same as Palinko and Kun 1.cognitive task 2.visual task 3.combined task Slide 8 Different sizes big, medium, small trucks between-subjects experiments DA 2011 experiment used as large truck case two additional experiments Slide 9 Illumination change gaze angle lags behind change of target location estimation of illumination change start time illustration Slide 10 Cognitive load estimate evaluation truck size cognitive load estimate quality ? Slide 11 Target location tracking gav psv truck size psv truck size cognitive load estimate quality ? Slide 12 Projected budget Itemprice per unitquantityprice for item Eye trackerprovided10 Projectorprovided10 Simulatorprovided10 Compensation for subjects $1020$200 Total $200 Slide 13 Project timeline Slide 14 Evaluation of a simple approach to disambiguation of effects of illumination and cognitive load on pupil diameter under three different lighting conditions Questions