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IPM
30
YEARS OLD

“School of Cognitive Sciences”

Paper   IPM / Cognitive Sciences / 9574
   School of Cognitive Sciences
  Title: A Synthetic Face Generation Toolbox for Face Perception Psychophysics Studies
  Author(s): Ali Borji
  Status: Published
  Journal:
  Year: 2008
  Supported by: IPM
  Abstract:
Faces are complex and important visual stimuli for humans and are subject to many psychophysical and computational studies. A new parametric method for generating synthetic faces is proposed in this study. Two separate programs, one in Delphi 2005 programming environment and another in MATLAB is developed to sample real faces and generating synthetic faces respectively. The user can choose to utilize default configurations or to customize specific configurations to generate a set of synthetic faces. Headshape and inner-hairline is sampled in a polar coordinate frame, located at the center of line connecting two eyes at 16 and 9 equ-angular positions. Three separate frames are placed at the left eyes center, nose tip and lips to sample them with 20, 30 and 44 angular points respectively. Eyebrows are sampled with 8 points in eye coordinate systems. Augmenting vectors representing these features and their distance from the origin generates a vector of size 95. For synthesized face, intermediate points are generated using spline curves and the whole image is then band pass filtered. Two experiments are designed to show that the set of generated synthetic faces match very well with their equivalent real faces.

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