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PhD Oral Examination: Gaze-Contingent Multi-Modal and Multi-Sensory Applications by Margarita Vinnikov

April 28, 2015 @ 11:30 am - 2:30 pm


Gaze-contingent displays are applications that are driven by the user’s gaze. They are an important tool for many multi-modal and multi-sensory domains. They can be used to precisely control the retinal image in real time to study visual control of natural behavior through experimentation, or to improve user experience in virtual reality applications. In this dissertation, I explored the application of gaze-contingent display technology to different models and senses and evaluate whether such applications can be useful for simulation, psycho-physical research and human computer interaction. Specifically, I have looked at visual gaze-contingent display and an audio gaze-contingent display. I examined the effects of simulated visual defects on user’s perception and control of self-motion during locomotion. I found that gaze-contingent display simulations of visual defects significantly altered visual patterns and impaired the accuracy and precision of judgement of heading. I also examined the impact of simulating gaze-continent depth-of-field for monocular and stereoscopic displays. The experimental data showed that the alleviation of negative e effects associated with stereo displays depends on the user’s age and the types of scenes that are viewed. Finally, I simulated gaze-continent audio displays that imitated the cocktail party effect. My audio enhancement techniques turned to be very beneficial for applications that have to deal with user’s attention to multiple sources of sounds (speakers) such as tele-conferences and social games.


April 28, 2015
11:30 am - 2:30 pm
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120E Steadman Lecture Hall
York University
Toronto, Ontario M3j 1P3
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