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Tuesday, 1 September 2015

Estimating Visual Attention from a Head Mounted IMU




How to obtain attention for an eyewear computer without a gaze tracker?  We developed this method for Google Glass.
This paper concerns with the evaluation of methods for the estimation of both temporal and spatial visual attention using a head-worn inertial measurement unit (IMU). Aimed at tasks where there is a wearer-object interaction, we estimate the when and the where the wearer is interested in. We evaluate various methods on a new egocentric dataset from 8 volunteers and compare our results with those achievable with a commercial gaze tracker used as ground-truth. Our approach is primarily geared for sensor-minimal EyeWear computing.