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Development and evaluation of a 6DOF interface to be used in a medical application
Linköping University, Department of Science and Technology.
Linköping University, Department of Science and Technology.
2002 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Utveckling och utvärdering av ett 6DOF gränssnitt för användning i en medicinsk tillämpning (Swedish)
Abstract [en]

This thesis was performed at the research centre CINECA in Bologna, Italy. An interface with six degrees of freedom, 6DOF, to be used in a virtual environ- ment for the positioning of medical components was developed in co-operation with IOR, one of the most important orthopaedic hospitals in Italy. The main reason for doing this was to find out whether or not a virtual en-viron-ment and 6DOF interaction could make the pre-operative planning of an ope-ration more efficient compared to other techniques. Is it easy to posi-tion an object using stereovision and a 6DOF tracker tool? Further-more, the interface might also be used in other applications and areas in the future.

Described is the development of an interaction class especially constructed for the use of a tracking tool called a stylus pen. This tool takes advantage of all 6DOF, i.e. it recognises movements in the x, y and z directions and likewise the orientation of the tool around the three axis. Moreover, an application which uses the interaction class was created in order to evaluate its usefulness. The application enables the user to load, save and position objects within a virtual environment. The result of this evaluation is then described and discussed.

In the evaluations it was shown that the stylus pen with 6DOF is an intuitive in-ter-action tool which works well for positioning. The stereovision also seems to further improve the users ability to position objects. However, the created interaction class needs to be further developed before itcan be implemented in a pre-operative planning tool.

Place, publisher, year, edition, pages
Institutionen för teknik och naturvetenskap , 2002. , 57 p.
Keyword [en]
Datorteknik, 6DOF, 6DOF interface, interaction, pre-operative planning, tracker tool, stylus pen, workbench, VTK, positioning, VR
Keyword [sv]
National Category
Computer Engineering
URN: urn:nbn:se:liu:diva-1412ISRN: LITH-ITN-MT-EX--02/14--SEOAI: diva2:18736
Available from: 2002-10-29 Created: 2002-10-29

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