• Human Computer Interaction
• Haptic Experience Design
• Tactile Rendering
• Tactile Augmentation

For a complete list of my publications, please visit my Google Scholar profile or my ORCID profile.

• N. Sabnis, A. Otaran, D. Wittchen, J. Didion, J. Steimle, and P. Strohmeier, "Foot pedal control: The role of vibrotactile feedback in performance and perceived control," in Proceedings of the nineteenth International Conference on Tangible, Embedded, and Embodied Interaction, ser. TEI’25, Bordeaux/Talence, France: Association for Computing Machinery, 2025. Honorable Mention Award (Top 5%)
• N. Sabnis, M. Roche, D. Wittchen, D. Degraen, and P. Strohmeier, "Motion-coupled asymmetric vibration for pseudo force rendering in virtual reality," in Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems, ser. CHI’25, Yokohama, Japan: Association for Computing Machinery,2025. Honorable Mention Award (Top 5%)
• D. Wittchen, A. Ramian, N. Sabnis, C. Chlebowski, R. Böhme, G. Freitag, B. Fruchard, and D. Degraen, "Collabjam: Studying collaborative haptic experience design for on-body vibrotactile patterns," in Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems, ser. CHI’25, Yokohama, Japan: Association for Computing Machinery, 2025. Honorable Mention Award (Top 5%)
• J. K. Didion, K. Wolski, D. Wittchen, D. Coyle, T. Leimkühler, and P. Strohmeier, "Who did it? how user agency is influenced by visual properties of generated images," in Proceedings of the 37th Annual ACM Symposium on User Interface Software and Technology, ser. UIST’24, Pittsburgh, PA, USA: Association for Computing Machinery, 2024.
• G. Vega, V. Martinez-Missir, D. Wittchen, N. Sabnis, A. Girouard, K. A. Cochrane, and P. Strohmeier, "Varitouch: Back of the finger device for adding variable compliance to rigid objects," in Proceedings of the 2024 CHI Conference on Human Factors in Computing Systems, ser. CHI’24, Honolulu, HI, USA: Association for Computing Machinery, 2024.
• N. Sabnis, D. Wittchen, G. Vega, C. N. Reed, and P. Strohmeier, "Tactile symbols with continuous and motion-coupled vibration: An exploration of using embodied experiences for hermeneutic design," in Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, ser. CHI’23, Hamburg, Germany: Association for Computing Machinery, 2023.
• D. Wittchen*, N. Sabnis* , C. N. Reed*, N. Pourjafarian , J. Steimle, and P. Strohmeier, "Haptic servos: Self-contained vibrotactile rendering system for creating or augmenting material experiences," in Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, ser. CHI’23, Hamburg, Germany: Association for Computing Machinery, 2023. Honorable Mention Award (Top 5%)
• D. Wittchen, V. Martinez-Missir, S. Mavali, N. Sabnis, C. N. Reed, and P. Strohmeier, "Designing interactive shoes for tactile augmented reality," in Proceedings of the Augmented Humans International Conference 2023, ser. AHs’23, Glasgow, United Kingdom: Association for Computing Machinery, 2023.
• D. Wittchen, G. Schreyer, A. Ramian, and G. Freitag, "Investigating apparent tactile motion and cutaneous rabbit illusion to support cyclists’ navigation," in Mensch Und Computer 2023, ser. MuC’23, Rapperswil, Switzerland: Association for Computing Machinery, 2023. Honorable Mention Award (Top 5%)
• D. Wittchen, K. Spiel, B. Fruchard, D. Degraen, O. Schneider, G. Freitag, and P. Strohmeier, "Tactjam: An end-to-end prototyping suite for collaborative design of on-body vibrotactile feedback," in Sixteenth International Conference on Tangible, Embedded, and Embodied Interaction, ser. TEI’22, Daejeon, Republic of Korea: Association for Computing Machinery, 2022.

• Research and Development Seminar [I-705]. - Summer and winter semester (since 2019) at Dresden University for Applied Sciences. With Prof. Dr.-Ing. Georg Freitag.
• Haptic Interface Design [I-561]. - Winter semester (since 2018) at Dresden University for Applied Sciences. With Prof. Dr.-Ing. Georg Freitag.

• October 2017 - present:
  Research Associate at Dresden University of Applied Sciences
• October 2021 - April 2025:
  Guest Researcher at Max Planck Institute for Informatics (D4 Computer Graphics - Sensorimotor Interaction Group)

• May 2025 - present:
  PhD Student at Max Planck Institute for Informatics (D4 Computer Graphics - Sensorimotor Interaction Group)
• October 2013 - September 2017:
  Studies in Computer Science (Media Informatics) at Dresden University of Applied Sciences
  Title of Thesis (Diplomarbeit): "Robust real-time localization of underwater footage" (supervisor: Prof. Dr. rer. nat. Marco Block-Berlitz)
• September 2006 - August 2009:
  Apprenticeship in Media Design (Media Operating) at Sachsen Fahnen GmbH & Co. KG
• July 2005:
  Abitur at the Gotthold-Ephraim-Lessing-Gymnasium, Kamenz, Germany

• Sensorimotor Interaction Group
• ORCID