Head mounted device for point-of-gaze estimation in three dimensions

Dan Witzner Hansen, Morten Lidegaard, Norbert Krüger

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Abstract

This paper presents a fully calibrated extended geometric approach for gaze estimation in three dimensions (3D). The methodology is based on a geometric approach utilising a fully calibrated binocular setup constructed as a head-mounted system. The approach is based on utilisation of two ordinary web-cameras for each eye and 6D magnetic sensors allowing free head movements in 3D. Evaluation of initial experiments indicate comparable results to current state-of-the-art on estimating gaze in 3D. Initial results show an RMS error of 39-50 mm in the depth dimension and even smaller in the horizontal and vertical dimensions regarding fixations. However, even though the workspace is limited, the fact that the system is designed as a head-mounted device, the workspace volume is relatively positioned to the pose of the device. Hence gaze can be estimated in 3D with relatively free head-movements with external reference to a world coordinate system and is therefore offering flexibility and movability within certain constraints.
OriginalsprogEngelsk
Titel ETRA '14 Proceedings of the Symposium on Eye Tracking Research and Applications
Antal sider4
ForlagAssociation for Computing Machinery
Publikationsdato1 maj 2014
ISBN (Trykt) 978-1-4503-2751-0
DOI
StatusUdgivet - 1 maj 2014
BegivenhedEye Tracking Research and Applications - Safety Harbor Resort and Spa, Safety Harbor, Florida, USA
Varighed: 26 mar. 201428 maj 2014
Konferencens nummer: 8
http://www.etra2014.org

Konference

KonferenceEye Tracking Research and Applications
Nummer8
LokationSafety Harbor Resort and Spa
Land/OmrådeUSA
BySafety Harbor, Florida
Periode26/03/201428/05/2014
Internetadresse

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