Generating Facial Character: A Systematic Method Accumulating Expressive Histories
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Leonardo
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2022-04
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Abstract
The author presents a method to simulate facial character development by accumulating an expressive history onto a face. The model analytically combines facial features from Paul Ekman’s seven universal facial expressions using a simple Markov chain algorithm. The output is a series of 3D digital faces created in Blender with Python. The results show that systematically imprinting features from emotional expressions onto a neutral face transforms it into one with distinct character. This method could be applied to creative works that depend on character creation, ranging from figurative sculpture to game design, and allows the creator to incorporate chance into the creative process. The author demonstrates the method’s application to sculpture with ceramic casts of generated faces.
Citation
Jofre, Ana. 2022. “Generating Facial Character: A Systematic Method Accumulating Expressive Histories.” Leonardo 55 (2). https://doi.org/10.1162/leon_a_02138.