Facial 3D Animation Indexed Zone Mapping The one property that Full Image Mapping Lacks, is definition. Indexed Zone Mapping places
both the geometric and graphic emphasis back where it belongs.This mapping technique provideds highly detailed placement of features in specifically mapped
areas of the geometry. This is done to produce a single element object that can be manipulated with great accuracy.
The three images above represent some of the advances we have made in this area of facial
generation techniques. While still in their initial stages, these techniques produce results that are far superior to conventional photo/planar graphics mapping. Overall
appearance remains consistant even while viewing from different angles. This is a full geomery creation. There are no appliances or mapping techniques used to produce
the movable surfaces. The Mouth Teeth, Tongue, Eyes, Eye Lashes, Eyebrows, are all integrated into the zoned geometry of the facial object. Except for the eyes and
eyelids, all movement is controlled by Key Vertex manipulation and the Zoned mapping follows this manipulation precisely.
Flaws in Full Facial Image Mapping. While full geometry mapping appears to represent true facial features of the human face, it actually produces inacurate and distorted surface features that are inconsistent with
the subject geometry. While the mapping may be matched during initial mapping stages, subsequent frames require changes in the geometry in order to attain the visual sense of movement . However,
this manipulation of the geometry causes the mapped graphic to now MORPH itself along with the changed geometry. In essence, the warping of the graphic has
now lack the realistic movements that are required.to provide truely accurate articulation in the speech patterns. It was found that a more direct, geometrical approach
was necessary to accomplish this. As a result, M. C. Cotter Productions has produced a new technique called " Indexed Zone Mapping". This new technique produces
more exact detailing of the Facial Geometry while also providing almost flawless movement of features and expression.
Well......almost flawless movement as you can see in the last image. But, while this smile is a little
stretched, it does illustrate how closely the Zoned Map follows the geometry of the subject. The utilization of this technique allows for fine detailed movements that mimic
the human expressions that are instinctive when we talk. As you can see, there is no warping and all of the detailing is done by fine, zone maps and textures alone.
These images that you see on this page have not been photographically altered in anyway. These are exactly as they were rendered. Another pioint that must be
brough out is the fact that, because we are not relying upon a full image map, we can concentrate on the fine object details such as eye lashes that make the mesh
facial representation so striking in appearances. It is this detail that allows us to also employ more common eye movements that are so difficult with full feature face
maps. Click On Any Selector To Navigate Site
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If you are interested in this type of Facial 3D Animation.....,
Please contact us at the E-Mail address below.
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Copyright © 1998 M.C.Cotter Productions.
Any use or publication of this work, alteration of text,
use of graphics or any elements within it's literary structure,
without the permission of this author and artist, is a direct violation of Copyrights,
which are solely owned by G.R.McCotter
and M.C.Cotter Productions.
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