First Sight: A Human Body Outline Labeling System
IEEE Transactions on Pattern Analysis and Machine Intelligence
A limited memory algorithm for bound constrained optimization
SIAM Journal on Scientific Computing
Pfinder: Real-Time Tracking of the Human Body
IEEE Transactions on Pattern Analysis and Machine Intelligence
Superquadrics for Segmenting and Modeling Range Data
IEEE Transactions on Pattern Analysis and Machine Intelligence
The visual analysis of human movement: a survey
Computer Vision and Image Understanding
Tracking and modeling people in video sequences
Computer Vision and Image Understanding - Modeling people toward vision-based underatanding of a person's shape, appearance, and movement
The ellipsoidal skeleton in medical applications
Proceedings of the sixth ACM symposium on Solid modeling and applications
Numerical Recipes in C++: the art of scientific computing
Numerical Recipes in C++: the art of scientific computing
Dynamic Programming
Understanding Motion Capture for Computer Animation and Video Games
Understanding Motion Capture for Computer Animation and Video Games
A silhoutte based technique for the reconstruction of human movement
Computer Vision and Image Understanding
A Theory of Shape by Space Carving
International Journal of Computer Vision - Special issue on Genomic Signal Processing
3-D model-based tracking of humans in action: a multi-view approach
CVPR '96 Proceedings of the 1996 Conference on Computer Vision and Pattern Recognition (CVPR '96)
Tracking People with Twists and Exponential Maps
CVPR '98 Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Real-time human motion analysis and IK-based human figure control
HUMO '00 Proceedings of the Workshop on Human Motion (HUMO'00)
Combining 2D Feature Tracking and Volume Reconstruction for Online Video-Based Human Motion Capture
PG '02 Proceedings of the 10th Pacific Conference on Computer Graphics and Applications
3D human body model acquisition from multiple views
ICCV '95 Proceedings of the Fifth International Conference on Computer Vision
3D Articulated Models and Multi-View Tracking with Silhouettes
ICCV '99 Proceedings of the International Conference on Computer Vision-Volume 2 - Volume 2
Free-viewpoint video of human actors
ACM SIGGRAPH 2003 Papers
Hierarchical mesh decomposition using fuzzy clustering and cuts
ACM SIGGRAPH 2003 Papers
M^3: Marker-Free Model Reconstruction and Motion Tracking from 3D Voxel Data
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
CVPR'03 Proceedings of the 2003 IEEE computer society conference on Computer vision and pattern recognition
Curve-Skeleton Properties, Applications, and Algorithms
IEEE Transactions on Visualization and Computer Graphics
Practical motion capture in everyday surroundings
ACM SIGGRAPH 2007 papers
Example-based skeleton extraction
SGP '07 Proceedings of the fifth Eurographics symposium on Geometry processing
Harmonic 1-form based skeleton extraction from examples
Graphical Models
3D modeling of humans with skeletons from uncalibrated wide baseline views
CAIP'05 Proceedings of the 11th international conference on Computer Analysis of Images and Patterns
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For realistic animation of an artificial character a body model that represents the character's kinematic structure is required. Hierarchical skeleton models are widely used which represent bodies as chains of bones with interconnecting joints. In video motion capture, animation parameters are derived from the performance of a subject in the real world. For this acquisition procedure too, a kinematic body model is required. Typically, the generation of such a model for tracking and animation is, at best, a semi-automatic process. We present a novel approach that estimates a hierarchical skeleton model of an arbitrary moving subject from sequences of voxel data that were reconstructed from multi-view video footage. Our method does not require a-priori information about the body structure. We demonstrate its performance using synthetic and real data.