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2020

Simulation of scattered radiation during intraoperative imaging in a virtual reality learning environment

Süncksen, M., Bott, O., Dresing, K., & Teistler, M. (2020). Simulation of scattered radiation during intraoperative imaging in a virtual reality learning environment. International Journal of Computer Assisted Radiology and Surgery , 15, 691–701. http://doi.org/10.1007/s11548-020-02126-x (Original work published April 2020)

Abstract

Purpose Scattered radiation, which occurs when using a C-arm for intraoperative radiography, can be better understood through interactive visualization. We developed a virtual reality (VR) approach for the simulation of scattered radiation (SSR) as part of a C-arm training system. In VR, it is important to avoid cyber sickness, which is often caused by increased latency between head motion and image presentation inside the head-mounted display. As the latency requirement interferes with the computational complexity of the SSR, the goal has been to maintain a low latency during the simultaneous computation of the SSR on moderate-cost consumer hardware. Methods For use with a VR C-arm simulator, a CUDA-based Monte Carlo SSR has been improved to utilize GPU resources unused by the VR image generation. Resulting SSR data are visualized through volume rendering with pseudo-colored scattered radiation superimposed onto the virtual operating room. The resulting interactive VR–SSR environment was evaluated with operating room personnel (ORP) and surgeons using questionnaires. Results Depending on the imaged body part and computation parameters, the required computation time to complete one SSR run was between 1.6 and 4.2 s (ankle) and between 7.9 and 14.9 s (thigh), and VR frame times from 11 to 12 ms (95th percentile). The system was evaluated with ORP (n = 46) and surgeons (n = 25). The median of professional C-arm experience was 5 (range 1 to 34) years (ORP) and 12.5 (range 2 to 48) years (surgeons), respectively. The demonstrated prototype was found useful by 78% of ORP and 88% of the surgeons. On a Likert scale, more than 90% of both groups “agreed fully” that the presented way of visualizing SSR in VR helps understanding intraoperative exposure to scattered radiation. Conclusions Leveraging off-the-shelf computer equipment, the feasibility of SSR and VR for interactive training has been demonstrated. Evaluation participants showed a high interest for the presented approach. Feedback suggests that the visualization experienced by the users helps understanding radiation hazards in the operating room.
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Teistler, Michael

Forschungsprojekt

Computerbasierte Ausbildung in der Medizinischen Bildgebung durch virtuelle und spielbasierte Lernumgebungen

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Profilbereich

Informatik und Gestaltung

Forschungsfeld

Digitalisierung im Gesundheitswesen

Human-Computer-Interaction

Fachbereich

Fachbereich 3: Information und Kommunikation
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2020

Journal Article

Matthias Süncksen

Oliver Bott

Klaus Dresing

Michael Teistler

2019

Simulationsbasiertes Lernspiel in der Ultraschallausbildung am Beispiel der Anästhesiologie

Teistler, M., Reinhold, S., Süncksen, M., & Frohnoff, U. (2019). Simulationsbasiertes Lernspiel in der Ultraschallausbildung am Beispiel der Anästhesiologie. In Ultraschall Med, European Journal of Ultrasound (Bd. 40). Leipzig, Germany: Thieme. http://doi.org/10.1055/s-0039-1695967 (Original work published August 2019)
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Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2019

Conference Paper

Michael Teistler

Sascha Reinhold

Matthias Süncksen

Ulrich Frohnoff
Preparing and Guiding Forensic Crime Scene Inspections in Virtual Reality

Süncksen, M., Teistler, M., Hamester, F., & Ebert, L. (2019). Preparing and Guiding Forensic Crime Scene Inspections in Virtual Reality. In Proceedings of Mensch Und Computer 2019 (S. 755–758). New York, NY, USA: Association for Computing Machinery. http://doi.org/10.1145/3340764.3344903

Abstract

Computer-based scene reconstruction is a method for answering specific forensic questions in the context of accident or crime scenes. For the resulting 3D reconstruction, the use of virtual reality (VR) technology is a novel presentation form. For the presentation to a prosecutor, the need to put visible content into context awards special significance to the moderator, especially as in a VR presentation the head mounted display (HMD) cuts VR users off from their natural environment. We analyze use cases for the parties involved in the courtroom VR presentation and consider the author, moderator and spectator roles and their corresponding session types for creating, directing and watching the presentation. A prototype system has been implemented to allow for suitable VR interactions for the three roles. An evaluation of the system with 12 participants assuming the role of the spectator yielded positive results with regard to the user experience and utility.
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Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2019

Conference Paper

Matthias Süncksen

Michael Teistler

Frederik Hamester

Lars Ebert

Virtual Reality

Multi-User Interaction

Forensics

Law

2018

virtX-VR – Ein Virtual Reality Lehr- und Lernsystem für Strahlenschutz in Unfallchirurgie und Orthopädie

Dresing, K., Süncksen, M., Bendig, H., Spering, C., Bott, O., Wagner, M., & Teistler, M. (2018). virtX-VR – Ein Virtual Reality Lehr- und Lernsystem für Strahlenschutz in Unfallchirurgie und Orthopädie. In Deutscher Kongress für Orthopädie und Unfallchirurgie (DKOU 2018). Berlin, Germany: German Medical Science GMS Publishing House. http://doi.org/10.3205/18dkou872 (Original work published November 2018)
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Bendig, Henner

Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2018

Conference Paper

Klaus Dresing

Matthias Süncksen

Henner Bendig

Christopher Spering

Oliver Bott

Markus Wagner

Michael Teistler
A serious virtual reality game to train spatial cognition for medical ultrasound imaging

Byl, B., Süncksen, M., & Teistler, M. (2018). A serious virtual reality game to train spatial cognition for medical ultrasound imaging. In 2018 IEEE 6th International Conference on Serious Games and Applications for Health (SeGAH) (S. 1–4). http://doi.org/10.1109/SeGAH.2018.8401365
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Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2018

Conference Paper

Benjamin Byl

Matthias Süncksen

Michael Teistler
Gamification and virtual reality for teaching mobile x-ray imaging

Süncksen, M., Bendig, H., Teistler, M., Wagner, M., Bott, O., & Dresing, K. (2018). Gamification and virtual reality for teaching mobile x-ray imaging. In 2018 IEEE 6th International Conference on Serious Games and Applications for Health (SeGAH) (S. 1–7). http://doi.org/10.1109/SeGAH.2018.8401364
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Bendig, Henner

Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2018

Conference Paper

Matthias Süncksen

Henner Bendig

Michael Teistler

Markus Wagner

Oliver Bott

Klaus Dresing

2016

Typographie in der virtuellen Realität

Hamester, F., Süncksen, M., Reinhold, S., Schomakers, V., & Teistler, M. (2016). Typographie in der virtuellen Realität. In Mensch und Computer 2016 - Tagungsband. Aachen: Gesellschaft für Informatik e.V. http://doi.org/10.18420/muc2016-mci-0252
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Exportformate

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Personenseiten

Teistler, Michael

Abteilung/Einrichtung

CIVU – Center for Interaction, Visualization and Usability

Fachbereich

Fachbereich 3: Information und Kommunikation
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2016

Conference Paper

Frederik Hamester

Matthias Süncksen

Sascha Reinhold

Vanessa Schomakers

Michael Teistler

Publikationen

2020

Simulation of scattered radiation during intraoperative imaging in a virtual reality learning environment

Abstract

Exportformate

Weiterführende Links

Filter Tags

2019

Simulationsbasiertes Lernspiel in der Ultraschallausbildung am Beispiel der Anästhesiologie

Exportformate

Weiterführende Links

Filter Tags

Preparing and Guiding Forensic Crime Scene Inspections in Virtual Reality

Abstract

Exportformate

Weiterführende Links

Filter Tags

2018

virtX-VR – Ein Virtual Reality Lehr- und Lernsystem für Strahlenschutz in Unfallchirurgie und Orthopädie

Exportformate

Weiterführende Links

Filter Tags

A serious virtual reality game to train spatial cognition for medical ultrasound imaging

Exportformate

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Gamification and virtual reality for teaching mobile x-ray imaging

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2016

Typographie in der virtuellen Realität

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