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DRAGONFLY 30-DAY TRIAL

Validation of a novel technique for creating simulated radiographs using computed tomography datasets

Patricia Mendoza(a), Marc-André D’Anjou(a), Éric N. Carmel(a), Éric Fournier(c), Wilfried Mai(f), Kate Alexander(a), Matthew D. Winter(e), Allison L. Zwingenberger(g), Donald E. Thrall(d), Christine Theoret(c).
Veterinary Radiology & Ultrasound, Vol. 55, No. 3, 2014, pp 251–262. doi: 10.1111/vru.12117.


Publication Date

May/June 2014.


How ORS Visual Was Used

CT datasets were imported into a specialized DICOM viewer (ORS Visual, Object Research System, Montreal, Canada). A plug-in was created to deform image data matrices and simulate distortion, magnification, and tissue attenuation features of radiographs. This plug-in was produced based on two main concepts, ray tracing and ray casting.

In conclusion, we produced a novel plug-in for a commercially available DICOM viewer (ORS Visual) that simulates radiographs based on high-resolution CT volume cuboidal datasets, from any angle or magnification factor. This new tool should be refined and applied in future studies comparing teaching methods using interactive tools and simulated radiographs vs. traditional teaching methods.


Keywords

computed tomography
radiographic anatomy
radiographic simulation
radiography
simulator
teaching


Author Information

(a) Département des sciences cliniques, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
(b) Département de biomédecine, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
(c) Object Research System Inc., 760 St-Paul W, #101 Montreal, QC, Canada
(d) Department of Molecular Biomedical Sciences, Department of Clinical Sciences, Ross University School of Veterinary Medicine, St. Kitts, West Indies
(e) Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL32610, USA
(f) Section of Radiology, Rosenthal Imaging and Treatment Center, School of Veterinary Medicine, University of Pennsylvania, 3900 Delancey Street, Philadelphia, PA 19104, USA
(g) Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA 95616, USA

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