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15th Pacific Conference on Computer Graphics and Applications (PG'07)
Freeform Image
Maui, Hawaii
October 29-November 02
ISBN: 0-7695-3009-5
In this paper we present a technique for image deformation in which the user is given flexible control over what kind of deformation to perform. Freeform image extends available image deformation techniques in that it provides a palette of intuitive tools including interactive ob- ject segmentation, stiffness editing and force-based controls to achieve both a natural look and realistic animations of deforming parts. The model underlying our approach is physics-based and it is amenable to a variety of different kinds of image manipulations ranging from as-rigid-as-possible to fully elastic deformations. We have developed a multigrid solver for quadrangular finite elements, which achieves real-time performance for high resolution pixel grids. On recent CPUs this solver can handle about 16K co-rotated finite elements at roughly 60 ms.
Citation:
Thomas Schiwietz, Joachim Georgii, R?udiger Westermann, "Freeform Image," pg, pp.27-36, 15th Pacific Conference on Computer Graphics and Applications (PG'07), 2007
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