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Absolute Eye Gaze E...
Absolute Eye Gaze Estimation With Biosensors in Hearing Aids
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- Favre-Felix, Antoine (författare)
- Eriksholm Res Ctr, Denmark; Tech Univ Denmark, Denmark
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- Graversen, Carina (författare)
- Eriksholm Res Ctr, Denmark
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- Bhuiyan, Tanveer A. (författare)
- Eriksholm Res Ctr, Denmark
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- Skoglund, Martin (författare)
- Linköpings universitet,Reglerteknik,Tekniska fakulteten,Eriksholm Res Ctr, Denmark
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- Rotger-Griful, Sergi (författare)
- Eriksholm Res Ctr, Denmark
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- Rank, Mike Lind (författare)
- UNEEG Med AS, Denmark
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- Dau, Torsten (författare)
- Tech Univ Denmark, Denmark
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- Lunner, Thomas (författare)
- Linköpings universitet,Reglerteknik,Tekniska fakulteten,Institutet för handikappvetenskap (IHV),Eriksholm Res Ctr, Denmark; Tech Univ Denmark, Denmark
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(creator_code:org_t)
- 2019-12-05
- 2019
- Engelska.
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Ingår i: Frontiers in Neuroscience. - : Frontiers Media S.A.. - 1662-4548 .- 1662-453X. ; 13
- Relaterad länk:
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https://doi.org/10.3...
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https://liu.diva-por... (primary) (Raw object)
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https://www.frontier...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- People with hearing impairment typically have difficulties following conversations in multi-talker situations. Previous studies have shown that utilizing eye gaze to steer audio through beamformers could be a solution for those situations. Recent studies have shown that in-ear electrodes that capture electrooculography in the ear (EarEOG) can estimate the eye-gaze relative to the head, when the head was fixed. The head movement can be estimated using motion sensors around the ear to create an estimate of the absolute eye-gaze in the room. In this study, an experiment was designed to mimic a multi-talker situation in order to study and model the EarEOG signal when participants attempted to follow a conversation. Eleven hearing impaired participants were presented speech from the DAT speech corpus (Bo Nielsen et al., 2014), with three targets positioned at -30 degrees, 0 degrees and +30 degrees azimuth. The experiment was run in two setups: one where the participants had their head fixed in a chinrest, and the other where they were free to move their head. The participants task was to focus their visual attention on an LED-indicated target that changed regularly. A model was developed for the relative eye-gaze estimation, taking saccades, fixations, head movement and drift from the electrode-skin half-cell into account. This model explained 90.5% of the variance of the EarEOG when the head was fixed, and 82.6% when the head was free. The absolute eye-gaze was also estimated utilizing that model. When the head was fixed, the estimation of the absolute eye-gaze was reliable. However, due to hardware issues, the estimation of the absolute eye-gaze when the head was free had a variance that was too large to reliably estimate the attended target. Overall, this study demonstrated the potential of estimating absolute eye-gaze using EarEOG and motion sensors around the ear.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Annan medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Other Medical Engineering (hsv//eng)
Nyckelord
- eye gaze estimation; electrooculography; EarEOG; inertial sensors; head tracking; hearing aids; hearing-impaired
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