Loading [a11y]/accessibility-menu.js
Snap-to-fit, a haptic 6 DOF alignment tool for virtual assembly | IEEE Conference Publication | IEEE Xplore

Snap-to-fit, a haptic 6 DOF alignment tool for virtual assembly


Abstract:

Virtual assembly of complex objects has application in domains ranging from surgery planning to archaeology. In these domains the objective is to plan the restoration of ...Show More

Abstract:

Virtual assembly of complex objects has application in domains ranging from surgery planning to archaeology. In these domains the objective is to plan the restoration of skeletal anatomy or archaeological artifacts to achieve an optimal reconstruction without causing further damage. While graphical modeling plays a central role in virtual assembly, visual feedback alone is often insufficient since object contact and penetration is difficult to discern due to occlusion. Haptics can improve an assembly task by giving feedback when objects collide, but precise fitting of fractured objects guided by delicate haptic cues similar to those present in the physical world requires haptic display transparency beyond the performance of today's systems. We propose a haptic alignment tool that combines a 6 Degrees of Freedom (DOF) attraction force with traditional 6 DOF contact forces to pull a virtual object towards a local stable fit with a fixed object. The object forces are integrated into a virtual coupling framework yielding a stable haptic tool. We demonstrate the use of our system on applications from both cranio-maxillofacial surgery and archaeology, and show that we can achieve haptic rates for fractured surfaces with over 5000 points.
Date of Conference: 14-17 April 2013
Date Added to IEEE Xplore: 27 June 2013
ISBN Information:
Conference Location: Daejeon, Korea (South)

References

References is not available for this document.