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Automatic blush detection in ‘concealed information’ test using visual stimuli

Author

Listed:
  • Shigang Yue
  • Karl Harmer
  • Kun Guo
  • Karen Adams
  • Andrew Hunter

Abstract

Blushing has been identified as an indicator of deception, shame, anxiety and embarrassment. Although normally associated with the skin coloration of the face, a blush response also affects skin surface temperature. In this paper, an approach to detect a blush response automatically is presented using the Argus P7225 thermal camera from e2v. The algorithm was tested on a sample population of 51 subjects, while using visual stimuli to elicit a response, and achieved recognition rates of ∼77% TPR and ∼60% TNR, indicating a thermal image sensor is the prospective device to pick up subtle temperature change synchronised with stimuli.

Suggested Citation

  • Shigang Yue & Karl Harmer & Kun Guo & Karen Adams & Andrew Hunter, 2014. "Automatic blush detection in ‘concealed information’ test using visual stimuli," International Journal of Data Mining, Modelling and Management, Inderscience Enterprises Ltd, vol. 6(2), pages 187-201.
    • Handle: RePEc:ids:ijdmmm:v:6:y:2014:i:2:p:187-201
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