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  Analysing the Potential of Adapting Head-Mounted Eye Tracker Calibration to a New User

Fehringer, B., Bulling, A., & Krüger, A. (2012). Analysing the Potential of Adapting Head-Mounted Eye Tracker Calibration to a New User. In S. N. Spencer (Ed.), Proceedings ETRA 2012 (pp. 245-248). New York, NY: ACM.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-5F2F-F Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0018-5F3D-F
Genre: Conference Paper

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 Creators:
Fehringer, Benedict1, Author
Bulling, Andreas1, Author           
Krüger, Antonio1, Author
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: A key issue with state-of-the-art mobile eye trackers, particularly during long-term recordings in daily life, is the need for cumbersome and time consuming (re)calibration. To reduce this burden, in this paper we investigate the feasibility of adapting the calibration obtained for one user to another. Calibration adaptation is automatically performed using a light-weight linear translation. We compare three different methods to compute the translation: "multi-point", where all calibration-points are used, "1-point", and "0-point" that uses only an external parameter. We evaluate these methods in a 6-participant user study in a controlled laboratory setting by measuring the error in visual angle between the predicted gaze point and the true gaze point. Our results show that, averaged across all participants, the best adapted calibration is only 0.8\textdegree (mean) off the calibration obtained for that specific user. We also show the potential of the 1-point and 0-point methods compared to the time-consuming multi-point computation.

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Language(s): eng - English
 Dates: 2012-03
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1145/2168556.2168607
BibTex Citekey: fehringer2012_etra
 Degree: -

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Title: ETRA 2012
Place of Event: Santa Barbara, CA
Start-/End Date: 2012-03-28 - 2012-03-30

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Title: Proceedings ETRA 2012
  Abbreviation : ETRA 2012
  Subtitle : Eye Tracking Research and Applications Symposium
Source Genre: Proceedings
 Creator(s):
Spencer, Stephen N., Editor
Affiliations:
-
Publ. Info: New York, NY : ACM
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 245 - 248 Identifier: -