Ray-Casting-Based Evaluation Framework for Needle Insertion Force Feedback Algorithms

André Mastmeyer, T. Hecht, Dirk Fortmeier, Heinz Handels (Editor), Hans-Peter Meinzer, Thomas Martin Deserno, Heinz Handels (Editor), Thomas Tolxdorff


Segmentation of patient data often is a mandatory step for surgical simulations featuring haptic rendering. To alleviate the burden of manual segmentation we chose direct haptic volume rendering based on CT gray values and partially segmented patient data. In this study, the fields of application are lumbar puncture and spinal anesthesia. We focus on a new evaluation method driven by ray-casting to define paths from the skin to the spinal canal. In a comparison of our reference system AcusVR to a newer algorithm, force outputs are found to be similar in 99 % of the tested paths.
Original languageEnglish
Title of host publicationBildverarbeitung für die Medizin 2013
EditorsHans-Peter Meinzer, Thomas Martin Deserno, Heinz Handels, Thomas Tolxdorff
Number of pages6
Place of PublicationHeidelberg
PublisherSpringer Vieweg, Berlin Heidelberg
Publication date20.02.2013
ISBN (Print)978-3-642-36479-2
ISBN (Electronic)978-3-642-36480-8
Publication statusPublished - 20.02.2013
EventWorkshop on Bildverarbeitung fur die Medizin 2013 - Heidelberg, Germany
Duration: 03.03.201305.03.2013


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