Free-form deformation of solid geometric models
SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
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
Multi-weight enveloping: least-squares approximation techniques for skin animation
Proceedings of the 2002 ACM SIGGRAPH/Eurographics symposium on Computer animation
EigenSkin: real time large deformation character skinning in hardware
Proceedings of the 2002 ACM SIGGRAPH/Eurographics symposium on Computer animation
Building efficient, accurate character skins from examples
ACM SIGGRAPH 2003 Papers
Deformation transfer for triangle meshes
ACM SIGGRAPH 2004 Papers
ACM SIGGRAPH 2005 Papers
Mean value coordinates for closed triangular meshes
ACM SIGGRAPH 2005 Papers
Animation space: A truly linear framework for character animation
ACM Transactions on Graphics (TOG)
Skinning arbitrary deformations
Proceedings of the 2007 symposium on Interactive 3D graphics and games
Harmonic coordinates for character articulation
ACM SIGGRAPH 2007 papers
Automatic rigging and animation of 3D characters
ACM SIGGRAPH 2007 papers
Example-based skeleton extraction
SGP '07 Proceedings of the fifth Eurographics symposium on Geometry processing
Articulated mesh animation from multi-view silhouettes
ACM SIGGRAPH 2008 papers
Gpu gems 3
Geometric skinning with approximate dual quaternion blending
ACM Transactions on Graphics (TOG)
Automatic linearization of nonlinear skinning
Proceedings of the 2009 symposium on Interactive 3D graphics and games
Learning skeletons for shape and pose
Proceedings of the 2010 ACM SIGGRAPH symposium on Interactive 3D Graphics and Games
Online Learning for Matrix Factorization and Sparse Coding
The Journal of Machine Learning Research
Bounded biharmonic weights for real-time deformation
ACM SIGGRAPH 2011 papers
Stretchable and Twistable Bones for Skeletal Shape Deformation
Proceedings of the 2011 SIGGRAPH Asia Conference
Fast automatic skinning transformations
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
-SVD: An Algorithm for Designing Overcomplete Dictionaries for Sparse Representation
IEEE Transactions on Signal Processing
Matching pursuits with time-frequency dictionaries
IEEE Transactions on Signal Processing
Smooth Shape-Aware Functions with Controlled Extrema
Computer Graphics Forum
Elasticity-inspired deformers for character articulation
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
RigMesh: automatic rigging for part-based shape modeling and deformation
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Smooth skinning decomposition with rigid bones
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
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Weighted linear interpolation has been widely used in many skinning techniques including linear blend skinning, dual quaternion blend skinning, and cage based deformation. To speed up performance, these skinning models typically employ a sparseness constraint, in which each 3D model vertex has a small fixed number of non-zero weights. However, the sparseness constraint also imposes certain limitations to skinning models and their various applications. This paper introduces an efficient two-layer sparse compression technique to substantially reduce the computational cost of a dense-weight skinning model, with insignificant loss of its visual quality. It can directly work on dense skinning weights or use example-based skinning decomposition to further improve its accuracy. Experiments and comparisons demonstrate that the introduced sparse compression model can significantly outperform state of the art weight reduction algorithms, as well as skinning decomposition algorithms with a sparseness constraint.