A facial gesture switch using hidden Markov models

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• Emli-Mari Nel (University of Cambridge)
• Monday 26 October 2009, 11:00-12:00
• TCM Seminar Room, Cavendish Laboratory, Department of Physics.

If you have a question about this talk, please contact Emli-Mari Nel.

I will present a system that can identify a facial gesture based on duration information and optical flow features. There is a short training phase where the user is asked to make his/her gesture three times. A hidden Markov model is then used to identify the signal (gesture) by exploiting the fact that the user made the gesture three times. I will show preliminary results (including an example of a patient with locked-in syndrome using the system). This is still work in progress – suggestions will be more than welcome.

This talk is part of the Inference Group series.

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