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by George D. Stetten, Ph. D
Proc. Applied Imagery Pattern Recognition Workshop
http://www.ri.cmu.edu/pub_files/pub2/stetten_george_d_2000_2/stetten_george_d_2000_2.pdf
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Abstract:
Tomographic reflection is a method that may be used to merge the visual outer surface of a patient with a simultaneous ultrasound scan of the patient’s interior. The technique combines a flat-panel monitor with a halfsilvered mirror such that the image on the monitor is reflected precisely at the proper location within the patient. In this way, the ultrasound image is superimposed in real time on the view of the patient along with the operator's hands and any invasive tools in the field of view. Instead of looking away at an ultrasound monitor, the operator can manipulate needles and scalpels with direct hand-eye coordination. Invasive tools are visible up to where they enter the skin, permitting natural visual extrapolation to targets in the ultrasound slice. Tomographic reflection is independent of viewer location, requires no special apparatus to be worn by the operator, nor any registration of the patient. 1.
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