3D Facial Expression Modeling by Single NURBS Patch

概要

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Facial modeling has long fascinated computer graph-ics researchers, not only for the ubiquity of faces in the real worid1 but also for the inherent problems in creating surface deformations and expressive behaviors. Within computer graphics, applications of facial simulations have greatly increased as workstation performance permits real-time display of the hundreds of polygons necessary for minimal realism.Recent progress in facial animation now promises to provide useful and capable tools for virtual environments, human-liked agents, entertainment, telecomsnunication, education, linguistics, psychology and medicine. As we see the remarkable profits of using facial action in interactive user interfacing system Many sorts of efforts and algorithrns in this area have beeii developed. This research proposes another approach to 3D facial modeling by using Non-Uniform Rational B-Spline (NURBS) which is well known as excellent curves and surfaces evaluator. With NURBS patch, we can construct realistic facial model relatively easily and economically with smaller set of data. Even with those constraints, themodel is still smooth, comparatively wider dynamic range of view point, and capable of expressing faciafeatures. Single NURDS patch model proposed in this research reveals possibility of deforming to various facial expression.
一般社団法人情報処理学会の論文
1996-09-04