Free-form deformation of solid geometric models
SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Juno, a constraint-based graphics system
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
Numerical Initial Value Problems in Ordinary Differential Equations
Numerical Initial Value Problems in Ordinary Differential Equations
Variational geometry in computer-aided design
SIGGRAPH '81 Proceedings of the 8th annual conference on Computer graphics and interactive techniques
Global and local deformations of solid primitives
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
JACK: a toolkit for manipulating articulated figures
UIST '88 Proceedings of the 1st annual ACM SIGGRAPH symposium on User Interface Software
Layered construction for deformable animated characters
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
Visualizing relativistic effects in spacetime
Proceedings of the 1989 ACM/IEEE conference on Supercomputing
Recovery of Parametric Models from Range Images: The Case for Superquadrics with Global Deformations
IEEE Transactions on Pattern Analysis and Machine Intelligence
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Physical modeling with B-spline surfaces for interactive design and animation
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
The ThingWorld modeling system: virtual sculpting by modal forces
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Computational complexity versus virtual worlds
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Interactive real-time articulated figure manipulation using multiple kinematic constraints
I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
Deformation of n-dimensional objects
SMA '91 Proceedings of the first ACM symposium on Solid modeling foundations and CAD/CAM applications
Interaction with constraints in 3D modeling
SMA '91 Proceedings of the first ACM symposium on Solid modeling foundations and CAD/CAM applications
Geometrically deformed models: a method for extracting closed geometric models form volume data
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Computational strategies for object recognition
ACM Computing Surveys (CSUR)
Interactive spacetime control for animation
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
CONDOR: constraint-based dataflow
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Through-the-lens camera control
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Linear constraints for deformable non-uniform B-spline surfaces
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
Interactive modeling enhanced with constraints and physics with applications in molecular modeling
I3D '92 Proceedings of the 1992 symposium on Interactive 3D graphics
Drawing and animation using skeletal strokes
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
TBAG: a high level framework for interactive, animated 3D graphics applications
SIGGRAPH '94 Proceedings of the 21st annual conference on Computer graphics and interactive techniques
Inverse kinematics positioning using nonlinear programming for highly articulated figures
ACM Transactions on Graphics (TOG)
An interactive tool for placing curved surfaces without interpenetration
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
ACM Transactions on Graphics (TOG)
Using discrete event modeling for effective computer animation control
WSC '91 Proceedings of the 23rd conference on Winter simulation
Accessible animation and customizable graphics via simplicial configuration modeling
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
A modeling system based on dynamic constraints
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Constraints methods for flexible models
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Realistic animation of rigid bodies
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Distance constraint satisfaction based on geometric relaxation
From geometric modeling to shape modeling
Fast animation and control of nonrigid structures
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
ACM Transactions on Graphics (TOG)
IEEE Computer Graphics and Applications
Animating deformable models: different approaches
CA '95 Proceedings of the Computer Animation
Optimization-Based Virtual Surface Contact Manipulation at Force Control Rates
VR '00 Proceedings of the IEEE Virtual Reality 2000 Conference
Extracting geometric models through constraint minimization
VIS '90 Proceedings of the 1st conference on Visualization '90
Smooth constraints for spline variational modeling
Proceedings of the 2nd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
Interactive motion deformation with prioritized constraints
SCA '04 Proceedings of the 2004 ACM SIGGRAPH/Eurographics symposium on Computer animation
Helping hand: an anatomically accurate inverse dynamics solution for unconstrained hand motion
Proceedings of the 2005 ACM SIGGRAPH/Eurographics symposium on Computer animation
Facets: a new algorithm for extracting 3-D surface from volume data
ACM-SE 33 Proceedings of the 33rd annual on Southeast regional conference
Cords: Geometric Curve Primitives for Modeling Contact
IEEE Computer Graphics and Applications
Interactive motion deformation with prioritized constraints
Graphical Models - Special issue on SCA 2004
Arc-length preserving curve deformation based on subdivision
Journal of Computational and Applied Mathematics - Special issue: The international symposium on computing and information (ISCI2004)
CoRdE: Cosserat rod elements for the dynamic simulation of one-dimensional elastic objects
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Human animation from 2D correspondence based on motion trend prediction
AIKED'06 Proceedings of the 5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases
3D virtual apparel design for industrial applications
Computer-Aided Design
A 3-D collision handling algorithm for surgery simulation based on feedback fuzzy logic
IEEE Transactions on Information Technology in Biomedicine - Special section on biomedical informatics
A robust and efficient Lagrangian constraint toolkit for the simulation of 1D structures
Computer-Aided Design
Camera control in computer graphics: models, techniques and applications
ACM SIGGRAPH ASIA 2009 Courses
Energy constraints on deformable models: recovering shape and non-rigid motion
AAAI'87 Proceedings of the sixth National conference on Artificial intelligence - Volume 2
Energy constraints on deformable models: recovering shape and non-rigid motion
AAAI'87 Proceedings of the sixth National conference on Artificial intelligence - Volume 2
Point Cloud Glue: constraining simulations using the procrustes transform
Proceedings of the 2010 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Intuitive control of dynamic simulation using improved implicit constraint enforcement
AsiaSim'04 Proceedings of the Third Asian simulation conference on Systems Modeling and Simulation: theory and applications
Real-time simulation of long thin flexible objects in interactivevirtual environments
Proceedings of the 18th ACM symposium on Virtual reality software and technology
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A simple but general approach to imposing and solving geometric constraints on parameterized models is introduced, applicable to animation as well as model construction. Constraints are expressed as energy functions, and the energy gradient followed through the model's parameter space. Intuitively, energy constraints behave like forces that pull and parametrically deform the parts of the model into place. A wide variety of geometric constraints are amenable to this formulation, and may be used to influence arbitrary model parameters. A catalogue of basic constraints is presented, and results are shown.