Affective facial expression processing via simulation: a probabilistic model

Jonathan Vitale, Mary-Anne Williams, Benjamin Johnston, Giuseppe Boccignone

Research output: Contribution to journalArticlepeer-review

Abstract

Understanding the mental state of other people is an important skill for intelligent agents and robots to operate within social environments. However, the mental processes involved in ‘mind-reading’ are complex. One explanation of such processes is Simulation Theory—it is supported by a large body of neuropsychological research. Yet, determining the best computational model or theory to use in simulation-style emotion detection, is far from being understood. In this work, we use Simulation Theory and neuroscience findings on Mirror-Neuron Systems as the basis for a novel computational model, as a way to handle affective facial expressions. The model is based on a probabilistic mapping of observations from multiple identities onto a single fixed identity (‘internal transcoding of external stimuli’), and then onto a latent space (‘phenomenological response’). Together with the proposed architecture we present some promising preliminary results.
Original languageEnglish
Pages (from-to)30 - 41
Number of pages12
JournalBiologically Inspired Cognitive Architectures
Volume10
DOIs
Publication statusPublished - 2014
Externally publishedYes

Keywords

  • Simulation Theory
  • Mirror Neurons
  • Facial expression
  • Latent space
  • Probabilistic model

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