Eye-state analysis using an interdependence and adaptive scale mean shift (IASMS) algorithm

Masrullizam Mat Ibrahim, John Soraghan, Lykourgos Petropoulakis

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Eye state analysis in real-time is a main input source for Fatigue Detection Systems and Human Computer Interaction applications. This paper presents a novel eye state analysis design aimed for human fatigue evaluation systems. The design is based on an interdependence and adaptive scale mean shift (IASMS) algorithm. IASMS uses moment features to track and estimate the iris area in order to quantify the state of the eye. The proposed system is shown to substantially improve non-rigid eye tracking performance, robustness and reliability. For evaluating the design performance an established eye blink database for blink frequency analysis was used. The design performance was further assessed using the newly formed Strathclyde Facial Fatigue (SFF) video footage database1 of controlled sleep-deprived volunteers.
Original languageEnglish
Pages (from-to)53-62
Number of pages10
JournalBiomedical Signal Processing and Control
Early online date19 Mar 2014
Publication statusPublished - May 2014


  • mean shift algorithm
  • eye state analysis
  • fatigue assessment
  • eye tracking
  • adaptive scale
  • algorithm
  • mean shift

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