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A mobile and navigated image viewer for surgery--evaluation of precision.

We report work on a newly developed and ultra compact mobile viewing device, called NaviView to display medical imaging data (i.e. from a computer tomograph--CT) in situ. The system comprises an optical tracking system to detect both the patients and the viewing devices position and display a proportionable part of the medical image data on a mobile viewing device. This article describes experiments carried out to evaluate the overlay precision of two different imaging modalities (i.e. live video and CT) being visualized.