Techniques for mimicry and identity blending using morph space PCA

  • Authors:
  • Fintan Nagle;Harry Griffin;Alan Johnston;Peter McOwan

  • Affiliations:
  • University College London, UK,UCL CoMPLEX, UK;University College London, UK;University College London, UK,UCL CoMPLEX, UK;UCL CoMPLEX, UK,Queen Mary University of London, UK

  • Venue:
  • ACCV'12 Proceedings of the 11th international conference on Computer Vision - Volume 2
  • Year:
  • 2012

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Abstract

We describe a face modelling tool allowing image representation in a high-dimensional morph space, compression to a small number of coefficients using PCA [1], and expression transfer between face models by projection of the source morph description (a parameterisation of complex facial motion) into the target morph space. This technique allows creation of an identity-blended avatar model whose high degree of realism enables diverse applications in visual psychophysics, stimulus generation for perceptual experiments, animation and affective computing.