Publikationen

Spatial audio engineering in a virtual reality environment

Jordan, D. ., Müller, F. ., Drude, C. ., Reinhold, S. ., Schomakers, V. ., & Teistler, M. . (2016). Spatial audio engineering in a virtual reality environment. In Mensch und Computer 2016 - Tagungsband. Aachen: Gesellschaft für Informatik e.V. http://doi.org/10.18420/muc2016-mci-0217
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  Teistler, Michael
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  CIVU – Center for Interaction, Visualization and Usability
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  Fachbereich 3: Information und Kommunikation
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Use of a low-cost three-dimensional gaming controller for forensic reconstruction of CT images

Teistler, M. ., Ampanozi, G. ., Schweitzer, W. ., Flach, P. ., Thali, M. ., & Ebert, L. . (2016). Use of a low-cost three-dimensional gaming controller for forensic reconstruction of CT images. Journal of Forensic Radiology and Imaging, 7, 10–13. http://doi.org/https://doi.org/10.1016/j.jofri.2016.06.001

Abstract

We present an approach that utilizes a 3D game controller as an input device in combination with a 3D/2D display technique to provide a more intuitive and efficient user interaction for PMCT visualization. An inexpensive off-the-shelf game controller was used as an input device that provides six degrees-of-freedom to create oblique image reconstructions and control a volume-rendering view. Two specific examples are described in which the system was valuable in presenting the critical pathology.
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  Teistler, Michael
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Integrating machine translation (MT) in the higher education of translators and technical writers.

Wittkowsky, M. . (2014). Integrating machine translation (MT) in the higher education of translators and technical writers. In Translating and the Computer 36 (S. 9). London. Abgerufen von https://web.archive.org/web/20200721094751/http://www.mt-archive.info/10/Asling-2014-Wittkowsky.pdf (Original work published November 2014)

Abstract

This paper describes how MT is integrated into a course project for translation and technical writing students. The course project is based on the idea of combining controlled language and a pre-editing step in order to achieve an effective way to prepare contemporary technical documentation for rule-based machine translation (RBMT). I will explain what I mean by “contemporary” within the context of technical documentation and why this attribute plays an important role within the decision-making process to integrate CL, pre-editing and MT in the course project, which also includes practical exercises for the students. In addition, the reason why RBMT is the MT method chosen within the context of multilingual text production is explained.
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  Wittkowsky, Marion
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Understanding Spatial Relationships in US: A Computer-based Training Tool That Utilizes Inexpensive Off-the-Shelf Game Controllers

Teistler, M. ., Brunberg, J. ., Bott, O. ., Breiman, R. ., Ebert, L. ., Ross, S. ., & Dresing, K. . (2014). Understanding Spatial Relationships in US: A Computer-based Training Tool That Utilizes Inexpensive Off-the-Shelf Game Controllers. RadioGraphics, 34, 1334–1343. http://doi.org/10.1148/rg.345130039

Abstract

The authors present a simulation-based ultrasonographic (US) training tool that can help improve the understanding of spatial relationships in US. Use of a game controller to simulate a US probe allows examination of different virtual three-dimensional (3D) objects. These 3D objects are either completely artificial simple geometric objects (eg, spheres, tubes, and ellipsoids, or more complex combinations thereof) or derived from photographed gross anatomic data (eg, the Visible Human dataset [U.S. National Library of Medicine]) or clinical computed tomographic (CT) data. The virtual US probe allows infinitely variable real-time positioning of a “slice” that is displayed as a two-dimensional (2D) cross-sectional image and as part of a 3D view. Combining the 2D and 3D views helps elucidate the spatial relationships between a 3D object and derived 2D images. This training tool provides reliable real-time interactivity and is widely available and easily affordable, since it utilizes standard personal computer technology and off-the-shelf gaming hardware. For instance, it can be used at home by medical students or residents as a complement to conventional US training. In the future, this system could be adapted to support training for US-guided needle biopsy, with use of a second game controller to control the biopsy needle. Furthermore, it could be used as a more general interactive visualization tool for the evaluation of clinical 3D CT and magnetic resonance imaging data, allowing efficient and intuitive real-time creation of oblique multiplanar reformatted images. Online supplemental material is available for this article. ©RSNA, 2014
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Informatics in Radiology: Use of a C-Arm Fluoroscopy Simulator to Support Training in Intraoperative Radiography

Bott, O. ., Dresing, K. ., Wagner, M. ., Raab, B.-W. ., & Teistler, M. . (2011). Informatics in Radiology: Use of a C-Arm Fluoroscopy Simulator to Support Training in Intraoperative Radiography. RadioGraphics, 31, E65-E75. http://doi.org/10.1148/rg.313105125

Abstract

Mobile image intensifier systems (C-arms) are used frequently in orthopedic and reconstructive surgery, especially in trauma and emergency settings, but image quality and radiation exposure levels may vary widely, depending on the extent of the C-arm operator s knowledge and experience. Current training programs consist mainly of theoretical instruction in C-arm operation, the physical foundations of radiography, and radiation avoidance, and are largely lacking in hands-on application. A computer-based simulation program such as that tested by the authors may be one way to improve the effectiveness of C-arm training. In computer simulations of various scenarios commonly encountered in the operating room, trainees using the virtX program interact with three-dimensional models to test their knowledge base and improve their skill levels. Radiographs showing the simulated patient anatomy and surgical implants are “reconstructed” from data computed on the basis of the trainee s positioning of models of a C-arm, patient, and table, and are displayed in real time on the desktop monitor. Trainee performance is signaled in real time by color graphics in several control panels and, on completion of the exercise, is compared in detail with the performance of an expert operator. Testing of this computer-based training program in continuing medical education courses for operating room personnel showed an improvement in the overall understanding of underlying principles of intraoperative radiography performed with a C-arm, with resultant higher image quality, lower overall radiation exposure, and greater time efficiency. Supplemental material available at http://radiographics.rsna.org/lookup/suppl/doi:10.1148/rg.313105125/-/DC1.© RSNA, 2011
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"A Comparison of Mental and Physical Rotation Using Gaze-Based Measures"

Wetzel, S. ". "A Comparison of Mental and Physical Rotation Using Gaze-Based Measures". In S. " Creem-Regehr, J. . Schöning, & A. . Klippel (Hrsg.), "Spatial Cognition XI" (S. 167–179). "Cham": "Springer International Publishing".

Abstract

"Over the past few years, a number of studies have reported on procedural similarities and differences between mental rotation and physical (i.e., manual) rotation of Shepard and Metzler-type stimuli. These similarities include comparable angular disparity effects and comparable final angular offsets in problem solving. This paper presents results from further comparisons based on gazed-derived measures obtained across the course of trials. In a within-subject design, participants solved the same tasks as mental and as physical rotation problems. We compare time courses of mean fixation duration and of saccade amplitude, and interpret these with respect to underlying mental processes and loads. The results point to additional specific procedural similarities and differences, which nicely complement the previous findings. The results are of additional, practical use for establishing how and when physical rotation can provide a useful proxy for mental rotation for purposes of process analysis, of ability assessment, and of training."
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Publikationen

Spatial audio engineering in a virtual reality environment

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Use of a low-cost three-dimensional gaming controller for forensic reconstruction of CT images

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Integrating machine translation (MT) in the higher education of translators and technical writers.

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Understanding Spatial Relationships in US: A Computer-based Training Tool That Utilizes Inexpensive Off-the-Shelf Game Controllers

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Informatics in Radiology: Use of a C-Arm Fluoroscopy Simulator to Support Training in Intraoperative Radiography

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"A Comparison of Mental and Physical Rotation Using Gaze-Based Measures"

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