Plan Your Day 2014


Robotic Eye Motion Simulator

Exhibit Code: INS-1160
Zone: Engineering Park
Location: Institute Hall (INS/073) - 1st Floor
Time: All Day
Age Group:

An eye tracker is a device that tracks human eye movement and estimates gaze position. Eye trackers have long been used in psychology research, visual system research, marketing, and, recently, as an input device for human-computer interaction. The quality of the data eye trackers output is a fundamental aspect for any research based on eye tracking. Data quality can be influenced by both eye tracker-specific properties such as the camera, the illuminator, sampling frequency and latency, as well as biological properties of participants such as eye color, pupil size and eye makeup. There is currently no standardized test method for evaluating the quality of data collected from eye trackers. The lack of standard may lead to research being based on unreliable data. Different manufacturers measure quality using their own methods and researchers either measure it again using different methods or simply report whatever numbers the manufacturer provides. In order to investigate the tracker-related issue, a set of artificial eyes are needed to eliminate biological variance. Ideally, eye models that can perform real eye movements with high repeatability are needed so that the same movements can be recorded on different eye trackers. The COGAIN (Communication by Gaze Interaction) association, which is supported by eye tracking researchers, including the MVRL (Multi-Disciplinary Vision Research Lab) at RIT and eye-tracker manufacturers around the world, has been putting effort into developing such a set of artificial eyes. Progress has been made to establish a static eye model that mimics human eye structure and now we need to automate the movement of this. The objective of this project is to develop a robotic eye that mimics human eye movement to standardize eye tracker testing. The purpose was to develop a robotic eye that is programmable and performs repeatable movements. A previous MSD team delivered hardware and software capable of demonstrating smooth pursuit, the slowest eye motion. The current MSD team is targeting having the model eye perform eye movements including both smooth pursuit and saccade, which is rapid eye movement. Another goal of this project is to make the robotic eye affordable since eye tracker manufacturers and eye tracking researchers have expressed their interest in purchasing these devices.

Amy Zeller, Joshua Long, Peter Cho, Jordan Blandford, Nathan Twichel

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Engineering, Senior Projects, Science, Software, Technology, Math, Multidisciplinary, STEM

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