Title: | AgeRegression: rejuvenating 3D-facial scans |
Authors: | Legde, Katharina Castillo, Susana Cunningham, Douglas W. |
Citation: | WSCG '2018: short communications proceedings: The 26th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2016 in co-operation with EUROGRAPHICS: University of West Bohemia, Plzen, Czech Republic May 28 - June 1 2018, p. 190-199. |
Issue Date: | 2018 |
Publisher: | Václav Skala - UNION Agency |
Document type: | konferenční příspěvek conferenceObject |
ISBN: | 978-80-86943-41-1 |
ISSN: | 2464-4617 |
Keywords: | věková regrese;kardioidní transformace;modely obličeje |
Keywords in different language: | age regression;cardioidal transformation;face models |
Abstract: | The majority of virtual agents have adult bodies. There are, however, a number of reasons for using younger avatars. For example, an adult interface agent usually leads users to expect adult-level communicational and social skills. As a result, users tend to be rather intolerant when the interface agent makes obvious mistakes (e.g., incorrect grammar) or uses inappropriate behavior (e.g., looking away from the interlocutor). Since computer social-skills are still under-developed, it seems reasonable to use a body model that reflects this: child avatars. Unfortunately, the use of database-driven techniques for creating a variable-aged animation system would require a very large number of scans of children at different ages, making such a system impractical for technical and ethical reasons. As an alternative, this paper develops and validates a method for synthetically and systematically altering the apparent age of a virtual character. The here proposed technique is able to create younger and older versions of a facial scan and guarantees that the resulting meshes can be animated. Starting with a three-dimensional, adult facial scan, we use a physiologically-inspired, trigonometric polynomial to age-regress the model to a desired age. Quantitative measurements show that the technique can reconstruct the correct anthropometric proportions of 2-10 year-old children. A perceptual experiment provides an initial mapping of the technique’s parameters onto the perceived age and realism. |
Rights: | © Václav Skala - UNION Agency |
Appears in Collections: | WSCG '2018: Short Papers Proceedings |
Please use this identifier to cite or link to this item:
http://hdl.handle.net/11025/34672
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.