Shadow tracking on multi-touch tables
Florian Echtler, Manuel Huber, Gudrun Johanna Klinker · 2008
Multi-touch interfaces have been a focus of research in recent years, resulting in development of various innovative UI concepts. Support for existing WIMP interfaces, however, should not be overlooked. Although several approaches exist, there is still room for improvement, particularly regarding implementation of the "hover" state, commonly used in mouse-based interfaces.