Conference Paper

Creating a Vision Channel for Observing Deep-Seated Anatomy in Medical Augmented Reality.

DOI: 10.1007/978-3-540-78640-5_60 Conference: Bildverarbeitung für die Medizin 2008, Algorithmen, Systeme, Anwendungen, Proceedings des Workshops vom 6. bis 8. April 2008 in Berlin
Source: DBLP

ABSTRACT The intent of medical Augmented Reality (AR) is to augment the surgeon’s real view on the patient with the patient’s interior anatomy resulting from a suitable visualization of medical imaging data. This paper presents a fast and user-defined clipping technique for medical AR allowing for cutting away any parts of the virtual anatomy,and images of the real part of the AR scene hindering the surgeon’s view onto the deep- seated region of interest. Modeled on cut-away techniques from scientific illustrations and computer graphics, the method creates a fixed vision channel to the inside of the patient. It enables a clear view on the focussed virtual anatomy and moreover improves the perception of spatial depth.

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    ABSTRACT: This paper covers currently investigated Augmented Reality (AR) applications in cars and examines di erent frame of reference for indication of occluded objects at intersections as well as di erences between contact-analog and unregis- tered presentation. Four di erent AR schemes were tested against a baseline at two intersection scenarios implemented in a static driving simulator. In a contrast to studies that document the advantages of contact-analog over unregistered representations for direct indication of hazards, the results of this study show unambiguously that the most preferable schemes for showing occluded objects are schemes giving an overview of the whole situation, followed by a contact- analog annotation symbol.

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May 29, 2014