Remote gaze tracking system on a large display

Hyeon Chang Lee, Won Oh Lee, Chul Woo Cho, Su Yeong Gwon, Kang Ryoung Park, Heekyung Lee, Jihun Cha

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We propose a new remote gaze tracking system as an intelligent TV interface. Our research is novel in the following three ways: first, because a user can sit at various positions in front of a large display, the capture volume of the gaze tracking system should be greater, so the proposed system includes two cameras which can be moved simultaneously by panning and tilting mechanisms, a wide view camera (WVC) for detecting eye position and an auto-focusing narrow view camera (NVC) for capturing enlarged eye images. Second, in order to remove the complicated calibration between the WVC and NVC and to enhance the capture speed of the NVC, these two cameras are combined in a parallel structure. Third, the auto-focusing of the NVC is achieved on the basis of both the user's facial width in the WVC image and a focus score calculated on the eye image of the NVC. Experimental results showed that the proposed system can be operated with a gaze tracking accuracy of ±0.737°~±0.775° and a speed of 5~10 frames/s.

Original languageEnglish
Pages (from-to)13439-13463
Number of pages25
JournalSensors
Volume13
Issue number10
DOIs
StatePublished - 7 Oct 2013

Keywords

  • Large display
  • Panning and tilting
  • Remote gaze tracking
  • WVC and NVC

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