Adaptive Space Deformations Based on Rigid Cells

Botsch, Mario; Pauly, Mark; Wicke, Martin; Groß, Markus

doi:10.1111/j.1467-8659.2007.01056.x

Cited by 115 publications

(113 citation statements)

References 42 publications

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“…Then they [16] extend this idea to adaptive volumetric hexahedral cells: the volumetric cells are treated as rigid objects, and the integrated distance between their adjacent faces is minimized. Although it achieves generality, the limitation is also its performance because of solving dense linear systems.…”

Section: Related Workmentioning

confidence: 99%

A unified shape editing framework based on tetrahedral control mesh

Zhao

Liu²,

Xiao³

et al. 2009

Computer Animation & Virtual

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It is a fundamental but challenging problem to efficiently edit complex 3D objects.By embedding the input models into coarse tetrahedral control meshes, this paper develops a unified framework to discuss two useful editing operations: interactive deformation and deformation transfer. First, a new rigidity energy is proposed to make the tetrahedral control mesh deform as rigidly as possible, which yields intuitive detail and volume preservation even under large deformations. And an error-driven refinement approach is presented to further improve the deformation result. Then, based on this deformation scheme, a volumetric correspondence method is introduced to perform deformation transfer task between the tetrahedral control meshes of the source and target models, which greatly lessens the burden of the user. Experimental results show our algorithm is effective, easy to control, supports various shape representations, and well transfers deformations between non-homeomorphous models.

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Section: Related Workmentioning

confidence: 99%

A unified shape editing framework based on tetrahedral control mesh

Zhao

Liu²,

Xiao³

et al. 2009

Computer Animation & Virtual

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show abstract

“…Since performance is not a crucial factor during the offline processing, we suggest using more sophisticated deformation models. We experimentally compared several such models [Botsch et al 2006a;Sumner et al 2007;Botsch et al 2007;Eigensatz and Pauly 2009;Bouaziz et al 2012] and currently recommend the projection-based optimization of [Bouaziz et al 2012] that offers a good tradeoff between deformation quality and algorithmic complexity.…”

Section: Performance-based Facial Animationmentioning

confidence: 99%

Realtime Performance-Based Facial Avatars for Immersive Gameplay

Pauly¹

2013

Proceedings of Motion on Games

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This paper discusses how realtime face tracking and performancebased animation can facilitate new ways of interaction for computer gaming and other online applications. We identify a number of requirements for realtime face capture and animation systems, and show how recent progress in tracking algorithms advances towards satisfying these requirements. Performance-based animation has the potential to significantly enrich the emotional experience of ingame communication through live avatars that are controlled directly by the facial expressions of a recorded user. We briefly outline other potential use scenarios of realtime face tracking systems and conclude with a discussion of future research challenges.

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“…deforming the whole length of all profile wires (Figure 8b), (2). deforming a part of all profile wires (Figure 8c), (3). deforming the whole length of some profile wires (Figure 8d), and (4).…”

Section: Shape Manipulation Through Physically Based Deformations Of mentioning

confidence: 99%

“…Space deformation techniques [1][2][3] deform 3D models by warping the surrounding space. They are suitable for global shape manipulation.…”

Section: Introductionmentioning

confidence: 99%

Shape manipulation using physically based wire deformations

You¹,

Yang²,

You³

et al. 2010

Computer Animation & Virtual

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This paper develops an efficient, physically based shape manipulation technique. It defines a 3D model with profile curves, and uses spine curves generated from the profile curves to control the motion and global shape of 3D models. Profile and spine curves are changed into profile and spine wires by specifying proper material and geometric properties together with external forces. The underlying physics is introduced to deform profile and spine wires through the closed form solution to ordinary differential equations for axial and bending deformations. With the proposed approach, global shape changes are achieved through manipulating spine wires, and local surface details are created by deforming profile wires. A number of examples are presented to demonstrate the applications of our proposed approach in shape manipulation.

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Adaptive Space Deformations Based on Rigid Cells

Cited by 115 publications

References 42 publications

A unified shape editing framework based on tetrahedral control mesh

A unified shape editing framework based on tetrahedral control mesh

Realtime Performance-Based Facial Avatars for Immersive Gameplay

Shape manipulation using physically based wire deformations

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