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research article

Embedded deformation for shape manipulation

Sumner, Robert W.
•
Schmid, Johannes
•
Pauly, Mark  
2007
ACM Transactions on Graphics

We present an algorithm that generates natural and intuitive deformations via direct manipulation for a wide range of shape representations and editing scenarios. Our method builds a space deformation represented by a collection of affine transformations organized in a graph structure. One transformation is associated with each graph node and applies a deformation to the nearby space. Positional constraints are specified on the points of an embedded object. As the user manipulates the constraints, a nonlinear minimization problem is solved to find optimal values for the affine transformations. Feature preservation is encoded directly in the objective function by measuring the deviation of each transformation from a true rotation. This algorithm addresses the problem of "embedded deformation" since it deforms space through direct manipulation of objects embedded within it, while preserving the embedded objects' features. We demonstrate our method by editing meshes, polygon soups, mesh animations, and animated particle systems. © 2007 ACM.

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Type
research article
DOI
10.1145/1276377.1276478
Author(s)
Sumner, Robert W.
Schmid, Johannes
Pauly, Mark  
Date Issued

2007

Published in
ACM Transactions on Graphics
Volume

26

Issue

3

Start page

80

End page

es

Subjects

Animation

•

Constraint theory

•

Embedded systems

•

Feature extraction

•

Image reconstruction

•

Three dimensional computer graphics

URL

SIGGRAPH Paper Video

https://youtu.be/BEEN7Dmo9vI

Code

https://github.com/Hunger720/Embedded_Deformation_for_Shape_Manipulation
Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
GCM  
Available on Infoscience
June 14, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/50811
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