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Congenital facial paralysis occurs usually unilaterally and may be complete or incomplete. The most common congenital cause is the Moebius syndrome. Moebius syndrome is a congenital neurological disorder with bilateral paralysis of both the facial and abducens nerves. Therefore, lateral eye movement and facial animation are absent.
The generation of facial animation data can be approached in different ways: 1.) marker-based motion capture on points or marks on the face of a performer, 2.) markerless motion capture techniques using different type of cameras, 3.) audio-driven techniques, and 4.) keyframe animation.
A face transplant is a medical procedure to replace all or part of a person's face using tissue from a donor. Part of a field called "Vascularized Composite Tissue Allotransplantation" (VCA) it involves the transplantation of facial skin, the nasal structure, the nose, the lips, the muscles of facial movement used for expression, the nerves that provide sensation, and, potentially, the bones ...
In 1972, in a project partially financed by DARPA, Parke made the first 3D animation of a representation of a human face, his wife's face. This animation used a wireframe geometry overlaid with Gouraud shading that produces approximate renderings of curved surfaces. The technique was invented by Parke's Utah colleague Henri Gouraud. [1] [2]
The Facial Action Coding System (FACS) is a system to taxonomize human facial movements by their appearance on the face, based on a system originally developed by a Swedish anatomist named Carl-Herman Hjortsjö. [1] It was later adopted by Paul Ekman and Wallace V. Friesen, and published in 1978. [2]
A facelift, technically known as a rhytidectomy (from the Ancient Greek ῥυτίς (rhytis) 'wrinkle', and ἐκτομή (ektome) 'excision', the surgical removal of wrinkles), is a type of cosmetic surgery procedure intended to give a more youthful facial appearance. There are multiple surgical techniques and exercise routines.
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Facial rejuvenation is a cosmetic treatment (or series of cosmetic treatments), which aims to restore a youthful appearance to the human face. Facial rejuvenation can be achieved through either surgical and/or non-surgical options. Procedures can vary in invasiveness and depth of treatment.