Publications by authors named "Stefan Wiesner"

We present a system for monitoring patient respiration using a single low cost camera. The system is based on tracking the motion of color fiducials placed on the patients abdomen. We show that our system is able to deal with variations in camera pose, and that its performance is equivalent to that obtained when using a commercial tracking system.

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The problem of positioning mobile C-arms, e.g. for down the beam techniques, as well as repositioning during surgical procedures currently requires time, skill and additional radiation.

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