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Proceedings Paper

Three-dimensional user interface for neurosurgical visualization
Author(s): Ken Hinckley; Randy Pausch; John C. Goble; Neal F. Kassell M.D.
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Paper Abstract

We describe a 3-D user interface for preoperative neurosurgical planning based on the physical manipulation of familiar real-world objects in free space. Using these passive interface props, neurosurgeons can apply their existing skills to specify spatial relationships in a natural and direct manner. The interface currently employs a head viewing prop, a cutting- plane selection prop, and a trajectory selection prop. Each prop is a simple real-world tool, the position and orientation of which is tracked by the computer. The behaviors associated with each prop serve as `interaction primitives' which can be composited to describe complex spatial relationships, resulting in a powerful, expressive, and conceptually simpler user interface. From the surgeon's perspective, the interface is analogous to holding a miniature skull which can be `sliced' and `pointed to' using the cutting-plane and trajectory props. Our informal evaluation sessions have shown that with a cursory introduction, neurosurgeons who have never seen our interface can understand and use it without training.

Paper Details

Date Published: 1 May 1994
PDF: 11 pages
Proc. SPIE 2164, Medical Imaging 1994: Image Capture, Formatting, and Display, (1 May 1994); doi: 10.1117/12.173994
Show Author Affiliations
Ken Hinckley, Univ. of Virginia (United States)
Randy Pausch, Univ. of Virginia (United States)
John C. Goble, Univ. of Virginia (United States)
Neal F. Kassell M.D., Univ. of Virginia (United States)

Published in SPIE Proceedings Vol. 2164:
Medical Imaging 1994: Image Capture, Formatting, and Display
Yongmin Kim, Editor(s)

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