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"Measuring the Perceived Difficulty of a Lecture Using Automatic Facial ..."
Jacob Whitehill, Marian Stewart Bartlett, Javier R. Movellan (2008)
- Jacob Whitehill, Marian Stewart Bartlett, Javier R. Movellan:

Measuring the Perceived Difficulty of a Lecture Using Automatic Facial Expression Recognition. Intelligent Tutoring Systems 2008: 668-670

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