The Kinect as an interventional tracking system

Xiang Linda Wang; Philipp J. Stolka; Emad Boctor; Gregory Hager; Michael Choti

doi:10.1117/12.912444

17 February 2012 The Kinect as an interventional tracking system

Xiang Linda Wang, Philipp J. Stolka, Emad Boctor, Gregory Hager, Michael Choti

Proceedings Volume 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling; 83160U (2012) https://doi.org/10.1117/12.912444
Event: SPIE Medical Imaging, 2012, San Diego, California, United States

Abstract

This work explores the suitability of low-cost sensors for "serious" medical applications, such as tracking of interventional tools in the OR, for simulation, and for education. Although such tracking - i.e. the acquisition of pose data e.g. for ultrasound probes, tissue manipulation tools, needles, but also tissue, bone etc. - is well established, it relies mostly on external devices such as optical or electromagnetic trackers, both of which mandate the use of special markers or sensors attached to each single entity whose pose is to be recorded, and also require their calibration to the tracked entity, i.e. the determination of the geometric relationship between the marker's and the object's intrinsic coordinate frames. The Microsoft Kinect sensor is a recently introduced device for full-body tracking in the gaming market, but it was quickly hacked - due to its wide range of tightly integrated sensors (RGB camera, IR depth and greyscale camera, microphones, accelerometers, and basic actuation) - and used beyond this area. As its field of view and its accuracy are within reasonable usability limits, we describe a medical needle-tracking system for interventional applications based on the Kinect sensor, standard biopsy needles, and no necessary attachments, thus saving both cost and time. Its twin cameras are used as a stereo pair to detect needle-shaped objects, reconstruct their pose in four degrees of freedom, and provide information about the most likely candidate.

Citation Download Citation

Xiang Linda Wang, Philipp J. Stolka, Emad Boctor, Gregory Hager, and Michael Choti "The Kinect as an interventional tracking system", Proc. SPIE 8316, Medical Imaging 2012: Image-Guided Procedures, Robotic Interventions, and Modeling, 83160U (17 February 2012); https://doi.org/10.1117/12.912444

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