We present PhantomPen, a direct pen input device whose pen head is virtualized onto the
tablet display surface and visually connected to a graspable pen barrel in order to achieve …

This paper describes a prototype tangible six degree of freedom (6 DoF) input device that is
inexpensive and intuitive to use: a cube with colored corners of specific shapes, tracked by a …

Abstract 3D interfaces enable a user to create and manipulate 3D objects in a computer-
simulated 3-dimensional world. There are many existing interfaces, but few of them exhibit …