A 3D 6-subiteration thinning algorithm for extracting medial lines
Pattern Recognition Letters
Penalized-Distance Volumetric Skeleton Algorithm
IEEE Transactions on Visualization and Computer Graphics
A Sequential 3D Thinning Algorithm and Its Medical Applications
IPMI '01 Proceedings of the 17th International Conference on Information Processing in Medical Imaging
Automatic Animation Skeleton Construction Using Repulsive Force Field
PG '03 Proceedings of the 11th Pacific Conference on Computer Graphics and Applications
A 3D 12-subiteration thinning algorithm based on P-simple points
Discrete Applied Mathematics - The 2001 international workshop on combinatorial image analysis (IWCIA 2001)
An extended concept of voxel neighborhoods for correct thinning in mesh segmentation
Proceedings of the 21st spring conference on Computer graphics
Automatic rigging and animation of 3D characters
ACM SIGGRAPH 2007 papers
Reusable skinning templates using cage-based deformations
ACM SIGGRAPH Asia 2008 papers
Automatic Adjustment of Rigs to Extracted Skeletons
AMDO '08 Proceedings of the 5th international conference on Articulated Motion and Deformable Objects
Automatic rigging for animation characters with 3D silhouette
Computer Animation and Virtual Worlds - CASA' 2009 Special Issue
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In the animation process of a human-like 3D model, a skeleton must be specified to define the model's surface deformation of its limbs. Nowadays the skeleton specification is hand made and very time consuming task. In this paper we propose a novel semi-automatic method for rigging a 3D model in an arbitrary pose using a skeleton defined in an animation datafile with no specific initial pose. First a skeleton is extracted from the voxelizated model, this skeleton is refined and transformed into a tree-data structure. Because the 3D model can be in an arbitrary pose, user interaction is required to select the five limbs correspondence (head, hands and feet), and finally a skeleton taken from an animation data file or a external source is adjusted to the geometric skeleton.