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Good vibrations: modal dynamics for graphics and animation
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International Journal of Robotics Research
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Animated free-form deformation: an interactive animation technique
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SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Dynamic deformation of solid primitives with constraints
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
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SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
Fast volume-preserving free form deformation using multi-level optimization
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NPAR '02 Proceedings of the 2nd international symposium on Non-photorealistic animation and rendering
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Proceedings of the 29th annual conference on Computer graphics and interactive techniques
P3DMA: A Physical 3D Deformable Modelling and Animation System
AMDO '02 Proceedings of the Second International Workshop on Articulated Motion and Deformable Objects
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ACM SIGGRAPH 2004 Papers
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SCA '04 Proceedings of the 2004 ACM SIGGRAPH/Eurographics symposium on Computer animation
Frequency Domain Formulation of Active Parametric Deformable Models
IEEE Transactions on Pattern Analysis and Machine Intelligence
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ACM SIGGRAPH 2005 Papers
Animating complex hairstyles in real-time
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ICMI '05 Proceedings of the 7th international conference on Multimodal interfaces
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IEEE Transactions on Pattern Analysis and Machine Intelligence
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ACM SIGGRAPH 2007 papers
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ACM SIGGRAPH 2008 papers
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ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing
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ACM SIGGRAPH 2009 papers
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SGP '08 Proceedings of the Symposium on Geometry Processing
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ACM Transactions on Graphics (TOG)
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SG'05 Proceedings of the 5th international conference on Smart Graphics
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VLSM'05 Proceedings of the Third international conference on Variational, Geometric, and Level Set Methods in Computer Vision
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Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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Free-form deformations (FFDs) are a popular tool for modeling and keyframe animation. This paper extends the use of FFDs to a dynamic setting. Our goal is to enable normally inanimate graphics objects, such as teapots and tables, to become animated, and learn to move about in a charming, cartoon-like manner. To achieve this goal, we implement a system that can transform a wide class of objects into dynamic characters. Our formulation is based on parameterized hierarchical FFDs augmented with Lagrangian dynamics, and provides an efficient way to animate and control the simulated characters. Objects are assigned mass distributions and elastic deformation properties, which allow them to translate, rotate, and deform according to internal and external forces. In addition, we implement an automated optimization process that searches for suitable control strategies. The primary contributions of the work are threefold. First, we formulate a dynamic generalization of conventional, geometric FFDs. The formulation employs deformation modes which are tailored by the user and are expressed in terms of FFDs. Second, the formulation accommodates a hierarchy of dynamic FFDs that can be used to model local as well as global deformations. Third, the deformation modes can be active, thereby producing locomotion.