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Reality augmentation for medical procedures: system architecture, single camera marker tracking, and system evaluation
Vogt S., Khamene A., Sauer F. International Journal of Computer Vision70 (2):179-190,2006.Type:Article
Date Reviewed: Jan 30 2007

Just imagine the following scene: the patient lies on the examining table and becomes transparent to the eyes of the surgeon, who sees the results of the last magnetic resonance image mapped on the patient’s body. Science fiction or reality? Augmented reality (AR) is the answer. This technology allows real and virtual images to be superimposed in a believable way (in AR jargon, virtual data registration is needed). Nowadays, AR surprises us with a broad range of applications, and its applications to medicine inspire respect.

The paper describes an AR system to be used for medical purposes. The system is composed of a stereoscopic video-see-through head-mounted display device that projects the mixed scene to the user; two head-mounted cameras with approximate eye separation that capture reality; and, for tracking purposes, one head-mounted camera equipped with infrared optical filter and flashing infrared LEDs, used in combination with special reflective marker configurations set in the real scene. This last component is not only used for head tracking, but for special tools tracking, such as needles, that will be added as virtual objects to the mixed scene. The paper contains a complete description of the overall system design, the calibration processes, and the justification of the choice of some hardware components. The system was tested for medical data registration, surgery planning, and guided interventions with animals. The authors enhance the real-time performance, and correct registration results obtained. Also, they estimate the future use of this system in clinical studies.

Reviewer:  Marma Abasolo Review #: CR133862
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Three-Dimensional Graphics And Realism (I.3.7 )
 
 
Image Processing Software (I.4.0 ... )
 
 
Pattern Analysis (I.5.2 ... )
 
 
Applications (I.4.9 )
 
 
Design Methodology (I.5.2 )
 
 
Digitization and Image Capture (I.4.1 )
 
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