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Cross-section Projector: Interactive and Intuitive Presentation of 3D Volume Data using a Handheld Screen

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2 Author(s)
Koichi Hirota ; Graduate Sch. of Frontier Sci., Tokyo Univ. ; Yuya Saeki

A novel display system that presents cross-sectional image of 3D volume data in an intuitive and interactive way is proposed. A screen panel is manipulated by a user; the position and orientation of the screen are measured by sensors; cross-sectional image of 3D volume data with the screen plane is generated and projected on the screen panel. By supporting this interaction up to a relatively high frequency motion of the screen panel, volumetric image of the 3D data is provided to user when the screen panel is quickly moved. The integrated presentation of cross-sectional and volumetric images is thought to mutually complement drawbacks each other; the volumetric image provides holistic view on the spatial structure, while the cross-sectional image provides more precise information among the volume data. A sensing system to measure the motion of screen plane using laser displacement sensors is designed, and a method to cancel the delay time from measurement to projection by predicting the motion of the screen panel is devised. Through implementation of a prototype system, feasibility of our approach is demonstrated, and future works that are required to improve the system is discussed

Published in:

2007 IEEE Symposium on 3D User Interfaces

Date of Conference:

10-11 March 2007