Navigation technology is changing the clinical standards in medical interventions by making
existing procedures more accurate, and new procedures possible. Navigation is based on …

… The work of T. Ungi was supported by the Queen’s University–Ontario Ministry of Research
… Ungi are with the Laboratory for Percutaneous Surgery, School of Computing, Queen’s …

… To compare inter-operator differences between radiographic end-plate measurement
and sonographic TxA measurement, we used the one-tailed independent sample t-test with …

The purpose of this study was to determine if augmented reality image overlay and laser
guidance systems can assist medical trainees in learning the correct placement of a needle for …

The National Alliance for Medical Image Computing (NA-MIC) was launched in 2004 with
the goal of investigating and developing an open source software infrastructure for the …

Objective A fundamental aspect of surgical planning in liver resections is the identification of
key vessel tributaries to preserve healthy liver tissue while fully resecting the tumor(s). …

Objective: Lumpectomy, breast conserving tumor excision, is the standard surgical treatment
in early stage breast cancer. A common problem with lumpectomy is that the tumor may not …

… [6] T. Ungi et al., “Spinal curvature measurement by tracked ultrasound snapshots,” …
Ungi et al., “Spinal needle navigation by tracked ultrasound snapshots,” IEEE Trans. Biomed…

… Differences between the normocholesterolemic and hypercholesterolemic groups were
analyzed using independent-samples t test with corrected p values for repeated measurements (…

… The work of T. Ungi was supported under Ontario Ministry of Research and Innovation …
Ungi is with the School of Computing, Queen’s University, Kingston, ON K7L 3N6, Canada (…