Pose space deformation: a unified approach to shape interpolation and skeleton-driven deformation
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Modeling deformable human hands from medical images
SCA '04 Proceedings of the 2004 ACM SIGGRAPH/Eurographics symposium on Computer animation
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Pose space deformation (PSD) is a method for creating a shape from example meshes [Lewis et al. 2000; Weber et al. 2007]. This is thought of as a combination of the skeletal-subspace deformation (SSD) and the shape interpolation (morphing). In PSD, a base mesh is first computed by SSD. This is then corrected by adding displacements computed from examples. To interpolate displacement vectors, example meshes must be transformed back to the rest pose by SSD to store the displacements in a rotation-invariant manner.