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
Geometric modeling with splines: an introduction
Geometric modeling with splines: an introduction
A Surgery Simulation Supporting Cuts and Finite Element Deformation
MICCAI '01 Proceedings of the 4th International Conference on Medical Image Computing and Computer-Assisted Intervention
Cutting Simulation of Manifold Volumetric Meshes
MICCAI '02 Proceedings of the 5th International Conference on Medical Image Computing and Computer-Assisted Intervention-Part II
Modifying Soft Tissue Models: Progressive Cutting with Minimal New Element Creation
MICCAI '00 Proceedings of the Third International Conference on Medical Image Computing and Computer-Assisted Intervention
Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing
IEEE Transactions on Visualization and Computer Graphics
Discontinuous Free Form Deformations
PG '04 Proceedings of the Computer Graphics and Applications, 12th Pacific Conference
Computer Animation and Virtual Worlds - Special Issue: The Very Best Papers from CASA 2004
Mesh cutting during real-time physical simulation
2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling
Dynamic deformation using adaptable, linked asynchronous FEM regions
Proceedings of the 25th Spring Conference on Computer Graphics
Mesh cutting during real-time physical simulation
Computer-Aided Design
Hermite approximation for free-form deformation of curves and surfaces
Computer-Aided Design
Socket virtual design based on low cost hand tracking and haptic devices
Proceedings of the 12th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and Its Applications in Industry
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Computer-aided surgical simulation is a topic of increasingly extensive research. Computer graphics, geometrical modelling and finite-element analysis all play major roles in these simulations. Furthermore, real-time response, interactivity and accuracy are crucial components in any such simulation system. A major effort has been invested in recent years to find ways to improve the performance, accuracy and realism of existing systems. In this paper, we extend the work of [Sela G, Schein S, Elber G. Real-time incision simulation using discontinuous free form deformation. In: Cotin S, Metaxas DN, editors. Medical simulation: International symposium, 2004. Lecture notes in computer science, vol. 3078. Springer; 2004. p. 114-123], in which we used discontinuous free-form deformations (DFFD) to artificially simulate real-time surgical operations. The presented scheme now uses accurate data from a finite-element model (FEM), which simulates the motion response of the tissue around the scalpel, during incision. The data are then encoded once into the DFFD, representing the simulation over time. In real-time, The DFFD is applied to the vertices of the surface mesh at the actual incision location and time. The presented scheme encapsulates and takes advantage of both the speed of the DFFD application, and the accuracy of a FEM. In addition, the presented system uses a haptic force feedback device in order to improve realism and ease of use.